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Commit | Line | Data |
---|---|---|
cc90b958 BS |
1 | From: www.kernel.org |
2 | Subject: Update to 2.6.23 | |
3 | Patch-mainline: 2.6.23 | |
4 | ||
5 | Automatically created from "patches.kernel.org/patch-2.6.23" by xen-port-patches.py | |
6 | ||
7 | Acked-by: jbeulich@novell.com | |
8 | ||
9 | Index: head-2008-12-01/arch/x86/Makefile | |
10 | =================================================================== | |
11 | --- head-2008-12-01.orig/arch/x86/Makefile 2008-12-01 11:11:08.000000000 +0100 | |
12 | +++ head-2008-12-01/arch/x86/Makefile 2008-12-01 11:36:47.000000000 +0100 | |
13 | @@ -148,7 +148,7 @@ libs-y += arch/x86/lib/ | |
14 | core-y += $(fcore-y) | |
15 | ||
16 | # Xen paravirtualization support | |
17 | -core-$(CONFIG_XEN) += arch/x86/xen/ | |
18 | +core-$(CONFIG_PARAVIRT_XEN) += arch/x86/xen/ | |
19 | ||
20 | # lguest paravirtualization support | |
21 | core-$(CONFIG_LGUEST_GUEST) += arch/x86/lguest/ | |
22 | Index: head-2008-12-01/arch/x86/kernel/acpi/sleep_32-xen.c | |
23 | =================================================================== | |
24 | --- head-2008-12-01.orig/arch/x86/kernel/acpi/sleep_32-xen.c 2008-04-15 09:29:41.000000000 +0200 | |
25 | +++ head-2008-12-01/arch/x86/kernel/acpi/sleep_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
26 | @@ -15,7 +15,7 @@ | |
27 | #ifndef CONFIG_ACPI_PV_SLEEP | |
28 | /* address in low memory of the wakeup routine. */ | |
29 | unsigned long acpi_wakeup_address = 0; | |
30 | -unsigned long acpi_video_flags; | |
31 | +unsigned long acpi_realmode_flags; | |
32 | extern char wakeup_start, wakeup_end; | |
33 | ||
34 | extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long)); | |
35 | @@ -74,9 +74,11 @@ static int __init acpi_sleep_setup(char | |
36 | { | |
37 | while ((str != NULL) && (*str != '\0')) { | |
38 | if (strncmp(str, "s3_bios", 7) == 0) | |
39 | - acpi_video_flags = 1; | |
40 | + acpi_realmode_flags |= 1; | |
41 | if (strncmp(str, "s3_mode", 7) == 0) | |
42 | - acpi_video_flags |= 2; | |
43 | + acpi_realmode_flags |= 2; | |
44 | + if (strncmp(str, "s3_beep", 7) == 0) | |
45 | + acpi_realmode_flags |= 4; | |
46 | str = strchr(str, ','); | |
47 | if (str != NULL) | |
48 | str += strspn(str, ", \t"); | |
49 | @@ -86,9 +88,11 @@ static int __init acpi_sleep_setup(char | |
50 | ||
51 | __setup("acpi_sleep=", acpi_sleep_setup); | |
52 | ||
53 | +/* Ouch, we want to delete this. We already have better version in userspace, in | |
54 | + s2ram from suspend.sf.net project */ | |
55 | static __init int reset_videomode_after_s3(struct dmi_system_id *d) | |
56 | { | |
57 | - acpi_video_flags |= 2; | |
58 | + acpi_realmode_flags |= 2; | |
59 | return 0; | |
60 | } | |
61 | ||
62 | Index: head-2008-12-01/arch/x86/kernel/asm-offsets_32.c | |
63 | =================================================================== | |
64 | --- head-2008-12-01.orig/arch/x86/kernel/asm-offsets_32.c 2008-12-01 11:36:13.000000000 +0100 | |
65 | +++ head-2008-12-01/arch/x86/kernel/asm-offsets_32.c 2008-12-01 11:36:47.000000000 +0100 | |
66 | @@ -19,7 +19,9 @@ | |
67 | #include <asm/bootparam.h> | |
68 | #include <asm/elf.h> | |
69 | ||
70 | +#if defined(CONFIG_XEN) || defined(CONFIG_PARAVIRT_XEN) | |
71 | #include <xen/interface/xen.h> | |
72 | +#endif | |
73 | ||
74 | #include <linux/lguest.h> | |
75 | #include "../../../drivers/lguest/lg.h" | |
76 | @@ -121,7 +123,7 @@ void foo(void) | |
77 | OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); | |
78 | #endif | |
79 | ||
80 | -#ifdef CONFIG_XEN | |
81 | +#ifdef CONFIG_PARAVIRT_XEN | |
82 | BLANK(); | |
83 | OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); | |
84 | OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); | |
85 | Index: head-2008-12-01/arch/x86/kernel/cpu/common-xen.c | |
86 | =================================================================== | |
87 | --- head-2008-12-01.orig/arch/x86/kernel/cpu/common-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
88 | +++ head-2008-12-01/arch/x86/kernel/cpu/common-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
89 | @@ -360,6 +360,8 @@ static void __cpuinit generic_identify(s | |
90 | if ( xlvl >= 0x80000004 ) | |
91 | get_model_name(c); /* Default name */ | |
92 | } | |
93 | + | |
94 | + init_scattered_cpuid_features(c); | |
95 | } | |
96 | ||
97 | early_intel_workaround(c); | |
98 | @@ -611,7 +613,6 @@ extern int nsc_init_cpu(void); | |
99 | extern int amd_init_cpu(void); | |
100 | extern int centaur_init_cpu(void); | |
101 | extern int transmeta_init_cpu(void); | |
102 | -extern int rise_init_cpu(void); | |
103 | extern int nexgen_init_cpu(void); | |
104 | extern int umc_init_cpu(void); | |
105 | ||
106 | @@ -623,7 +624,6 @@ void __init early_cpu_init(void) | |
107 | amd_init_cpu(); | |
108 | centaur_init_cpu(); | |
109 | transmeta_init_cpu(); | |
110 | - rise_init_cpu(); | |
111 | nexgen_init_cpu(); | |
112 | umc_init_cpu(); | |
113 | early_cpu_detect(); | |
114 | Index: head-2008-12-01/arch/x86/kernel/cpu/mtrr/main-xen.c | |
115 | =================================================================== | |
116 | --- head-2008-12-01.orig/arch/x86/kernel/cpu/mtrr/main-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
117 | +++ head-2008-12-01/arch/x86/kernel/cpu/mtrr/main-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
118 | @@ -167,7 +167,7 @@ mtrr_del(int reg, unsigned long base, un | |
119 | EXPORT_SYMBOL(mtrr_add); | |
120 | EXPORT_SYMBOL(mtrr_del); | |
121 | ||
122 | -__init void mtrr_bp_init(void) | |
123 | +void __init mtrr_bp_init(void) | |
124 | { | |
125 | } | |
126 | ||
127 | Index: head-2008-12-01/arch/x86/kernel/e820_32-xen.c | |
128 | =================================================================== | |
129 | --- head-2008-12-01.orig/arch/x86/kernel/e820_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
130 | +++ head-2008-12-01/arch/x86/kernel/e820_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
131 | @@ -10,6 +10,7 @@ | |
132 | #include <linux/efi.h> | |
133 | #include <linux/pfn.h> | |
134 | #include <linux/uaccess.h> | |
135 | +#include <linux/suspend.h> | |
136 | ||
137 | #include <asm/pgtable.h> | |
138 | #include <asm/page.h> | |
139 | @@ -343,6 +344,37 @@ static int __init request_standard_resou | |
140 | ||
141 | subsys_initcall(request_standard_resources); | |
142 | ||
143 | +#if defined(CONFIG_PM) && defined(CONFIG_HIBERNATION) | |
144 | +/** | |
145 | + * e820_mark_nosave_regions - Find the ranges of physical addresses that do not | |
146 | + * correspond to e820 RAM areas and mark the corresponding pages as nosave for | |
147 | + * hibernation. | |
148 | + * | |
149 | + * This function requires the e820 map to be sorted and without any | |
150 | + * overlapping entries and assumes the first e820 area to be RAM. | |
151 | + */ | |
152 | +void __init e820_mark_nosave_regions(void) | |
153 | +{ | |
154 | + int i; | |
155 | + unsigned long pfn; | |
156 | + | |
157 | + pfn = PFN_DOWN(e820.map[0].addr + e820.map[0].size); | |
158 | + for (i = 1; i < e820.nr_map; i++) { | |
159 | + struct e820entry *ei = &e820.map[i]; | |
160 | + | |
161 | + if (pfn < PFN_UP(ei->addr)) | |
162 | + register_nosave_region(pfn, PFN_UP(ei->addr)); | |
163 | + | |
164 | + pfn = PFN_DOWN(ei->addr + ei->size); | |
165 | + if (ei->type != E820_RAM) | |
166 | + register_nosave_region(PFN_UP(ei->addr), pfn); | |
167 | + | |
168 | + if (pfn >= max_low_pfn) | |
169 | + break; | |
170 | + } | |
171 | +} | |
172 | +#endif | |
173 | + | |
174 | void __init add_memory_region(unsigned long long start, | |
175 | unsigned long long size, int type) | |
176 | { | |
177 | @@ -804,7 +836,7 @@ void __init print_memory_map(char *who) | |
178 | case E820_NVS: | |
179 | printk("(ACPI NVS)\n"); | |
180 | break; | |
181 | - default: printk("type %lu\n", e820.map[i].type); | |
182 | + default: printk("type %u\n", e820.map[i].type); | |
183 | break; | |
184 | } | |
185 | } | |
186 | Index: head-2008-12-01/arch/x86/kernel/entry_32.S | |
187 | =================================================================== | |
188 | --- head-2008-12-01.orig/arch/x86/kernel/entry_32.S 2008-12-01 11:21:02.000000000 +0100 | |
189 | +++ head-2008-12-01/arch/x86/kernel/entry_32.S 2008-12-01 11:36:47.000000000 +0100 | |
190 | @@ -1112,7 +1112,7 @@ ENTRY(kernel_thread_helper) | |
191 | CFI_ENDPROC | |
192 | ENDPROC(kernel_thread_helper) | |
193 | ||
194 | -#ifdef CONFIG_XEN | |
195 | +#ifdef CONFIG_PARAVIRT_XEN | |
196 | /* Xen doesn't set %esp to be precisely what the normal sysenter | |
197 | entrypoint expects, so fix it up before using the normal path. */ | |
198 | ENTRY(xen_sysenter_target) | |
199 | @@ -1205,7 +1205,7 @@ ENTRY(xen_failsafe_callback) | |
200 | .previous | |
201 | ENDPROC(xen_failsafe_callback) | |
202 | ||
203 | -#endif /* CONFIG_XEN */ | |
204 | +#endif /* CONFIG_PARAVIRT_XEN */ | |
205 | ||
206 | #ifdef CONFIG_FTRACE | |
207 | #ifdef CONFIG_DYNAMIC_FTRACE | |
208 | Index: head-2008-12-01/arch/x86/kernel/entry_32-xen.S | |
209 | =================================================================== | |
210 | --- head-2008-12-01.orig/arch/x86/kernel/entry_32-xen.S 2008-12-01 11:36:13.000000000 +0100 | |
211 | +++ head-2008-12-01/arch/x86/kernel/entry_32-xen.S 2008-12-01 11:36:47.000000000 +0100 | |
212 | @@ -452,9 +452,6 @@ restore_nocheck_notrace: | |
213 | 1: INTERRUPT_RETURN | |
214 | .section .fixup,"ax" | |
215 | iret_exc: | |
216 | -#ifndef CONFIG_XEN | |
217 | - ENABLE_INTERRUPTS(CLBR_NONE) | |
218 | -#endif | |
219 | pushl $0 # no error code | |
220 | pushl $do_iret_error | |
221 | jmp error_code | |
222 | Index: head-2008-12-01/arch/x86/kernel/head_32-xen.S | |
223 | =================================================================== | |
224 | --- head-2008-12-01.orig/arch/x86/kernel/head_32-xen.S 2008-12-01 11:36:13.000000000 +0100 | |
225 | +++ head-2008-12-01/arch/x86/kernel/head_32-xen.S 2008-12-01 11:36:47.000000000 +0100 | |
226 | @@ -86,7 +86,10 @@ ENTRY(_stext) | |
227 | /* | |
228 | * BSS section | |
229 | */ | |
230 | -.section ".bss.page_aligned","w" | |
231 | +.section ".bss.page_aligned","wa" | |
232 | + .align PAGE_SIZE_asm | |
233 | +ENTRY(swapper_pg_pmd) | |
234 | + .fill 1024,4,0 | |
235 | ENTRY(empty_zero_page) | |
236 | .fill 4096,1,0 | |
237 | ||
238 | @@ -136,25 +139,25 @@ ENTRY(empty_zero_page) | |
239 | #endif /* CONFIG_XEN_COMPAT <= 0x030002 */ | |
240 | ||
241 | ||
242 | - ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz, "linux") | |
243 | - ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz, "2.6") | |
244 | - ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz, "xen-3.0") | |
245 | - ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long, __PAGE_OFFSET) | |
246 | + ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") | |
247 | + ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") | |
248 | + ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") | |
249 | + ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET) | |
250 | #if CONFIG_XEN_COMPAT <= 0x030002 | |
251 | - ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long, __PAGE_OFFSET) | |
252 | + ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long __PAGE_OFFSET) | |
253 | #else | |
254 | - ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long, 0) | |
255 | + ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .long 0) | |
256 | #endif | |
257 | - ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long, startup_32) | |
258 | - ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long, hypercall_page) | |
259 | - ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long, HYPERVISOR_VIRT_START) | |
260 | - ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz, "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel") | |
261 | + ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_32) | |
262 | + ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page) | |
263 | + ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, .long HYPERVISOR_VIRT_START) | |
264 | + ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel") | |
265 | #ifdef CONFIG_X86_PAE | |
266 | - ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz, "yes") | |
267 | - ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .quad, _PAGE_PRESENT,_PAGE_PRESENT) | |
268 | + ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes") | |
269 | + ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .quad _PAGE_PRESENT, _PAGE_PRESENT) | |
270 | #else | |
271 | - ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz, "no") | |
272 | - ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .long, _PAGE_PRESENT,_PAGE_PRESENT) | |
273 | + ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "no") | |
274 | + ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .long _PAGE_PRESENT, _PAGE_PRESENT) | |
275 | #endif | |
276 | - ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz, "generic") | |
277 | - ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long, 1) | |
278 | + ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") | |
279 | + ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1) | |
280 | Index: head-2008-12-01/arch/x86/kernel/init_task-xen.c | |
281 | =================================================================== | |
282 | --- head-2008-12-01.orig/arch/x86/kernel/init_task-xen.c 2007-06-12 13:12:48.000000000 +0200 | |
283 | +++ head-2008-12-01/arch/x86/kernel/init_task-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
284 | @@ -46,6 +46,6 @@ EXPORT_SYMBOL(init_task); | |
285 | * per-CPU TSS segments. Threads are completely 'soft' on Linux, | |
286 | * no more per-task TSS's. | |
287 | */ | |
288 | -DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS; | |
289 | +DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; | |
290 | #endif | |
291 | ||
292 | Index: head-2008-12-01/arch/x86/kernel/io_apic_32-xen.c | |
293 | =================================================================== | |
294 | --- head-2008-12-01.orig/arch/x86/kernel/io_apic_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
295 | +++ head-2008-12-01/arch/x86/kernel/io_apic_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
296 | @@ -402,14 +402,6 @@ static void set_ioapic_affinity_irq(unsi | |
297 | # include <linux/slab.h> /* kmalloc() */ | |
298 | # include <linux/timer.h> /* time_after() */ | |
299 | ||
300 | -#ifdef CONFIG_BALANCED_IRQ_DEBUG | |
301 | -# define TDprintk(x...) do { printk("<%ld:%s:%d>: ", jiffies, __FILE__, __LINE__); printk(x); } while (0) | |
302 | -# define Dprintk(x...) do { TDprintk(x); } while (0) | |
303 | -# else | |
304 | -# define TDprintk(x...) | |
305 | -# define Dprintk(x...) | |
306 | -# endif | |
307 | - | |
308 | #define IRQBALANCE_CHECK_ARCH -999 | |
309 | #define MAX_BALANCED_IRQ_INTERVAL (5*HZ) | |
310 | #define MIN_BALANCED_IRQ_INTERVAL (HZ/2) | |
311 | @@ -492,7 +484,7 @@ static inline void balance_irq(int cpu, | |
312 | static inline void rotate_irqs_among_cpus(unsigned long useful_load_threshold) | |
313 | { | |
314 | int i, j; | |
315 | - Dprintk("Rotating IRQs among CPUs.\n"); | |
316 | + | |
317 | for_each_online_cpu(i) { | |
318 | for (j = 0; j < NR_IRQS; j++) { | |
319 | if (!irq_desc[j].action) | |
320 | @@ -609,19 +601,11 @@ tryanothercpu: | |
321 | max_loaded = tmp_loaded; /* processor */ | |
322 | imbalance = (max_cpu_irq - min_cpu_irq) / 2; | |
323 | ||
324 | - Dprintk("max_loaded cpu = %d\n", max_loaded); | |
325 | - Dprintk("min_loaded cpu = %d\n", min_loaded); | |
326 | - Dprintk("max_cpu_irq load = %ld\n", max_cpu_irq); | |
327 | - Dprintk("min_cpu_irq load = %ld\n", min_cpu_irq); | |
328 | - Dprintk("load imbalance = %lu\n", imbalance); | |
329 | - | |
330 | /* if imbalance is less than approx 10% of max load, then | |
331 | * observe diminishing returns action. - quit | |
332 | */ | |
333 | - if (imbalance < (max_cpu_irq >> 3)) { | |
334 | - Dprintk("Imbalance too trivial\n"); | |
335 | + if (imbalance < (max_cpu_irq >> 3)) | |
336 | goto not_worth_the_effort; | |
337 | - } | |
338 | ||
339 | tryanotherirq: | |
340 | /* if we select an IRQ to move that can't go where we want, then | |
341 | @@ -678,9 +662,6 @@ tryanotherirq: | |
342 | cpus_and(tmp, target_cpu_mask, allowed_mask); | |
343 | ||
344 | if (!cpus_empty(tmp)) { | |
345 | - | |
346 | - Dprintk("irq = %d moved to cpu = %d\n", | |
347 | - selected_irq, min_loaded); | |
348 | /* mark for change destination */ | |
349 | set_pending_irq(selected_irq, cpumask_of_cpu(min_loaded)); | |
350 | ||
351 | @@ -700,7 +681,6 @@ not_worth_the_effort: | |
352 | */ | |
353 | balanced_irq_interval = min((long)MAX_BALANCED_IRQ_INTERVAL, | |
354 | balanced_irq_interval + BALANCED_IRQ_MORE_DELTA); | |
355 | - Dprintk("IRQ worth rotating not found\n"); | |
356 | return; | |
357 | } | |
358 | ||
359 | @@ -716,6 +696,7 @@ static int balanced_irq(void *unused) | |
360 | set_pending_irq(i, cpumask_of_cpu(0)); | |
361 | } | |
362 | ||
363 | + set_freezable(); | |
364 | for ( ; ; ) { | |
365 | time_remaining = schedule_timeout_interruptible(time_remaining); | |
366 | try_to_freeze(); | |
367 | @@ -825,14 +806,6 @@ static int pirq_entries [MAX_PIRQS]; | |
368 | static int pirqs_enabled; | |
369 | int skip_ioapic_setup; | |
370 | ||
371 | -static int __init ioapic_setup(char *str) | |
372 | -{ | |
373 | - skip_ioapic_setup = 1; | |
374 | - return 1; | |
375 | -} | |
376 | - | |
377 | -__setup("noapic", ioapic_setup); | |
378 | - | |
379 | static int __init ioapic_pirq_setup(char *str) | |
380 | { | |
381 | int i, max; | |
382 | @@ -1323,12 +1296,15 @@ static struct irq_chip ioapic_chip; | |
383 | static void ioapic_register_intr(int irq, int vector, unsigned long trigger) | |
384 | { | |
385 | if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || | |
386 | - trigger == IOAPIC_LEVEL) | |
387 | + trigger == IOAPIC_LEVEL) { | |
388 | + irq_desc[irq].status |= IRQ_LEVEL; | |
389 | set_irq_chip_and_handler_name(irq, &ioapic_chip, | |
390 | handle_fasteoi_irq, "fasteoi"); | |
391 | - else | |
392 | + } else { | |
393 | + irq_desc[irq].status &= ~IRQ_LEVEL; | |
394 | set_irq_chip_and_handler_name(irq, &ioapic_chip, | |
395 | handle_edge_irq, "edge"); | |
396 | + } | |
397 | set_intr_gate(vector, interrupt[irq]); | |
398 | } | |
399 | #else | |
400 | @@ -1957,7 +1933,7 @@ __setup("no_timer_check", notimercheck); | |
401 | * - if this function detects that timer IRQs are defunct, then we fall | |
402 | * back to ISA timer IRQs | |
403 | */ | |
404 | -int __init timer_irq_works(void) | |
405 | +static int __init timer_irq_works(void) | |
406 | { | |
407 | unsigned long t1 = jiffies; | |
408 | ||
409 | Index: head-2008-12-01/arch/x86/kernel/irq_32-xen.c | |
410 | =================================================================== | |
411 | --- head-2008-12-01.orig/arch/x86/kernel/irq_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
412 | +++ head-2008-12-01/arch/x86/kernel/irq_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
413 | @@ -21,7 +21,7 @@ | |
414 | #include <asm/apic.h> | |
415 | #include <asm/uaccess.h> | |
416 | ||
417 | -DEFINE_PER_CPU(irq_cpustat_t, irq_stat) ____cacheline_internodealigned_in_smp; | |
418 | +DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); | |
419 | EXPORT_PER_CPU_SYMBOL(irq_stat); | |
420 | ||
421 | DEFINE_PER_CPU(struct pt_regs *, irq_regs); | |
422 | @@ -149,15 +149,11 @@ fastcall unsigned int do_IRQ(struct pt_r | |
423 | ||
424 | #ifdef CONFIG_4KSTACKS | |
425 | ||
426 | -/* | |
427 | - * These should really be __section__(".bss.page_aligned") as well, but | |
428 | - * gcc's 3.0 and earlier don't handle that correctly. | |
429 | - */ | |
430 | static char softirq_stack[NR_CPUS * THREAD_SIZE] | |
431 | - __attribute__((__aligned__(THREAD_SIZE))); | |
432 | + __attribute__((__section__(".bss.page_aligned"))); | |
433 | ||
434 | static char hardirq_stack[NR_CPUS * THREAD_SIZE] | |
435 | - __attribute__((__aligned__(THREAD_SIZE))); | |
436 | + __attribute__((__section__(".bss.page_aligned"))); | |
437 | ||
438 | /* | |
439 | * allocate per-cpu stacks for hardirq and for softirq processing | |
440 | Index: head-2008-12-01/arch/x86/kernel/microcode-xen.c | |
441 | =================================================================== | |
442 | --- head-2008-12-01.orig/arch/x86/kernel/microcode-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
443 | +++ head-2008-12-01/arch/x86/kernel/microcode-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
444 | @@ -33,6 +33,7 @@ | |
445 | #include <linux/miscdevice.h> | |
446 | #include <linux/spinlock.h> | |
447 | #include <linux/mm.h> | |
448 | +#include <linux/fs.h> | |
449 | #include <linux/mutex.h> | |
450 | #include <linux/cpu.h> | |
451 | #include <linux/firmware.h> | |
452 | Index: head-2008-12-01/arch/x86/kernel/pci-dma-xen.c | |
453 | =================================================================== | |
454 | --- head-2008-12-01.orig/arch/x86/kernel/pci-dma-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
455 | +++ head-2008-12-01/arch/x86/kernel/pci-dma-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
456 | @@ -24,7 +24,7 @@ | |
457 | #include <asm/bug.h> | |
458 | ||
459 | #ifdef __x86_64__ | |
460 | -#include <asm/proto.h> | |
461 | +#include <asm/iommu.h> | |
462 | ||
463 | int iommu_merge __read_mostly = 0; | |
464 | EXPORT_SYMBOL(iommu_merge); | |
465 | Index: head-2008-12-01/arch/x86/kernel/process_32-xen.c | |
466 | =================================================================== | |
467 | --- head-2008-12-01.orig/arch/x86/kernel/process_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
468 | +++ head-2008-12-01/arch/x86/kernel/process_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
469 | @@ -241,6 +241,7 @@ early_param("idle", idle_setup); | |
470 | void show_regs(struct pt_regs * regs) | |
471 | { | |
472 | unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; | |
473 | + unsigned long d0, d1, d2, d3, d6, d7; | |
474 | ||
475 | printk("\n"); | |
476 | printk("Pid: %d, comm: %20s\n", current->pid, current->comm); | |
477 | @@ -265,6 +266,17 @@ void show_regs(struct pt_regs * regs) | |
478 | cr3 = read_cr3(); | |
479 | cr4 = read_cr4_safe(); | |
480 | printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", cr0, cr2, cr3, cr4); | |
481 | + | |
482 | + get_debugreg(d0, 0); | |
483 | + get_debugreg(d1, 1); | |
484 | + get_debugreg(d2, 2); | |
485 | + get_debugreg(d3, 3); | |
486 | + printk("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n", | |
487 | + d0, d1, d2, d3); | |
488 | + get_debugreg(d6, 6); | |
489 | + get_debugreg(d7, 7); | |
490 | + printk("DR6: %08lx DR7: %08lx\n", d6, d7); | |
491 | + | |
492 | show_trace(NULL, regs, ®s->esp); | |
493 | } | |
494 | ||
495 | @@ -473,7 +485,30 @@ int dump_task_regs(struct task_struct *t | |
496 | return 1; | |
497 | } | |
498 | ||
499 | -static noinline void __switch_to_xtra(struct task_struct *next_p) | |
500 | +#ifdef CONFIG_SECCOMP | |
501 | +void hard_disable_TSC(void) | |
502 | +{ | |
503 | + write_cr4(read_cr4() | X86_CR4_TSD); | |
504 | +} | |
505 | +void disable_TSC(void) | |
506 | +{ | |
507 | + preempt_disable(); | |
508 | + if (!test_and_set_thread_flag(TIF_NOTSC)) | |
509 | + /* | |
510 | + * Must flip the CPU state synchronously with | |
511 | + * TIF_NOTSC in the current running context. | |
512 | + */ | |
513 | + hard_disable_TSC(); | |
514 | + preempt_enable(); | |
515 | +} | |
516 | +void hard_enable_TSC(void) | |
517 | +{ | |
518 | + write_cr4(read_cr4() & ~X86_CR4_TSD); | |
519 | +} | |
520 | +#endif /* CONFIG_SECCOMP */ | |
521 | + | |
522 | +static noinline void | |
523 | +__switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p) | |
524 | { | |
525 | struct thread_struct *next; | |
526 | ||
527 | @@ -488,33 +523,17 @@ static noinline void __switch_to_xtra(st | |
528 | set_debugreg(next->debugreg[6], 6); | |
529 | set_debugreg(next->debugreg[7], 7); | |
530 | } | |
531 | -} | |
532 | ||
533 | -/* | |
534 | - * This function selects if the context switch from prev to next | |
535 | - * has to tweak the TSC disable bit in the cr4. | |
536 | - */ | |
537 | -static inline void disable_tsc(struct task_struct *prev_p, | |
538 | - struct task_struct *next_p) | |
539 | -{ | |
540 | - struct thread_info *prev, *next; | |
541 | - | |
542 | - /* | |
543 | - * gcc should eliminate the ->thread_info dereference if | |
544 | - * has_secure_computing returns 0 at compile time (SECCOMP=n). | |
545 | - */ | |
546 | - prev = task_thread_info(prev_p); | |
547 | - next = task_thread_info(next_p); | |
548 | - | |
549 | - if (has_secure_computing(prev) || has_secure_computing(next)) { | |
550 | - /* slow path here */ | |
551 | - if (has_secure_computing(prev) && | |
552 | - !has_secure_computing(next)) { | |
553 | - write_cr4(read_cr4() & ~X86_CR4_TSD); | |
554 | - } else if (!has_secure_computing(prev) && | |
555 | - has_secure_computing(next)) | |
556 | - write_cr4(read_cr4() | X86_CR4_TSD); | |
557 | +#ifdef CONFIG_SECCOMP | |
558 | + if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^ | |
559 | + test_tsk_thread_flag(next_p, TIF_NOTSC)) { | |
560 | + /* prev and next are different */ | |
561 | + if (test_tsk_thread_flag(next_p, TIF_NOTSC)) | |
562 | + hard_disable_TSC(); | |
563 | + else | |
564 | + hard_enable_TSC(); | |
565 | } | |
566 | +#endif | |
567 | } | |
568 | ||
569 | /* | |
570 | @@ -649,10 +668,9 @@ struct task_struct fastcall * __switch_t | |
571 | /* | |
572 | * Now maybe handle debug registers | |
573 | */ | |
574 | - if (unlikely(task_thread_info(next_p)->flags & _TIF_WORK_CTXSW)) | |
575 | - __switch_to_xtra(next_p); | |
576 | - | |
577 | - disable_tsc(prev_p, next_p); | |
578 | + if (unlikely(task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV || | |
579 | + task_thread_info(next_p)->flags & _TIF_WORK_CTXSW_NEXT)) | |
580 | + __switch_to_xtra(prev_p, next_p); | |
581 | ||
582 | /* | |
583 | * Leave lazy mode, flushing any hypercalls made here. | |
584 | Index: head-2008-12-01/arch/x86/kernel/setup_32-xen.c | |
585 | =================================================================== | |
586 | --- head-2008-12-01.orig/arch/x86/kernel/setup_32-xen.c 2008-12-01 11:36:07.000000000 +0100 | |
587 | +++ head-2008-12-01/arch/x86/kernel/setup_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
588 | @@ -114,19 +114,10 @@ static unsigned int highmem_pages = -1; | |
589 | /* | |
590 | * Setup options | |
591 | */ | |
592 | -struct drive_info_struct { char dummy[32]; } drive_info; | |
593 | -#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_HD) || \ | |
594 | - defined(CONFIG_BLK_DEV_IDE_MODULE) || defined(CONFIG_BLK_DEV_HD_MODULE) | |
595 | -EXPORT_SYMBOL(drive_info); | |
596 | -#endif | |
597 | struct screen_info screen_info; | |
598 | EXPORT_SYMBOL(screen_info); | |
599 | struct apm_info apm_info; | |
600 | EXPORT_SYMBOL(apm_info); | |
601 | -struct sys_desc_table_struct { | |
602 | - unsigned short length; | |
603 | - unsigned char table[0]; | |
604 | -}; | |
605 | struct edid_info edid_info; | |
606 | EXPORT_SYMBOL_GPL(edid_info); | |
607 | #ifndef CONFIG_XEN | |
608 | @@ -149,7 +140,7 @@ unsigned long saved_videomode; | |
609 | ||
610 | static char __initdata command_line[COMMAND_LINE_SIZE]; | |
611 | ||
612 | -unsigned char __initdata boot_params[PARAM_SIZE]; | |
613 | +struct boot_params __initdata boot_params; | |
614 | ||
615 | /* | |
616 | * Point at the empty zero page to start with. We map the real shared_info | |
617 | @@ -316,18 +307,18 @@ unsigned long __init find_max_low_pfn(vo | |
618 | printk(KERN_WARNING "Warning only %ldMB will be used.\n", | |
619 | MAXMEM>>20); | |
620 | if (max_pfn > MAX_NONPAE_PFN) | |
621 | - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); | |
622 | + printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n"); | |
623 | else | |
624 | printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n"); | |
625 | max_pfn = MAXMEM_PFN; | |
626 | #else /* !CONFIG_HIGHMEM */ | |
627 | -#ifndef CONFIG_X86_PAE | |
628 | +#ifndef CONFIG_HIGHMEM64G | |
629 | if (max_pfn > MAX_NONPAE_PFN) { | |
630 | max_pfn = MAX_NONPAE_PFN; | |
631 | printk(KERN_WARNING "Warning only 4GB will be used.\n"); | |
632 | - printk(KERN_WARNING "Use a PAE enabled kernel.\n"); | |
633 | + printk(KERN_WARNING "Use a HIGHMEM64G enabled kernel.\n"); | |
634 | } | |
635 | -#endif /* !CONFIG_X86_PAE */ | |
636 | +#endif /* !CONFIG_HIGHMEM64G */ | |
637 | #endif /* !CONFIG_HIGHMEM */ | |
638 | } else { | |
639 | if (highmem_pages == -1) | |
640 | @@ -514,7 +505,7 @@ void __init setup_bootmem_allocator(void | |
641 | * | |
642 | * This should all compile down to nothing when NUMA is off. | |
643 | */ | |
644 | -void __init remapped_pgdat_init(void) | |
645 | +static void __init remapped_pgdat_init(void) | |
646 | { | |
647 | int nid; | |
648 | ||
649 | @@ -589,7 +580,6 @@ void __init setup_arch(char **cmdline_p) | |
650 | properly. Setting ROOT_DEV to default to /dev/ram0 breaks initrd. | |
651 | */ | |
652 | ROOT_DEV = MKDEV(UNNAMED_MAJOR,0); | |
653 | - drive_info = DRIVE_INFO; | |
654 | screen_info = SCREEN_INFO; | |
655 | copy_edid(); | |
656 | apm_info.bios = APM_BIOS_INFO; | |
657 | @@ -767,6 +757,8 @@ void __init setup_arch(char **cmdline_p) | |
658 | * NOTE: at this point the bootmem allocator is fully available. | |
659 | */ | |
660 | ||
661 | + paravirt_post_allocator_init(); | |
662 | + | |
663 | if (is_initial_xendomain()) | |
664 | dmi_scan_machine(); | |
665 | ||
666 | @@ -814,6 +806,7 @@ void __init setup_arch(char **cmdline_p) | |
667 | #endif | |
668 | ||
669 | e820_register_memory(); | |
670 | + e820_mark_nosave_regions(); | |
671 | ||
672 | if (is_initial_xendomain()) { | |
673 | #ifdef CONFIG_VT | |
674 | Index: head-2008-12-01/arch/x86/kernel/smp_32-xen.c | |
675 | =================================================================== | |
676 | --- head-2008-12-01.orig/arch/x86/kernel/smp_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
677 | +++ head-2008-12-01/arch/x86/kernel/smp_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
678 | @@ -22,6 +22,7 @@ | |
679 | ||
680 | #include <asm/mtrr.h> | |
681 | #include <asm/tlbflush.h> | |
682 | +#include <asm/mmu_context.h> | |
683 | #if 0 | |
684 | #include <mach_apic.h> | |
685 | #endif | |
686 | @@ -217,13 +218,13 @@ static unsigned long flush_va; | |
687 | static DEFINE_SPINLOCK(tlbstate_lock); | |
688 | ||
689 | /* | |
690 | - * We cannot call mmdrop() because we are in interrupt context, | |
691 | + * We cannot call mmdrop() because we are in interrupt context, | |
692 | * instead update mm->cpu_vm_mask. | |
693 | * | |
694 | * We need to reload %cr3 since the page tables may be going | |
695 | * away from under us.. | |
696 | */ | |
697 | -static inline void leave_mm (unsigned long cpu) | |
698 | +void leave_mm(unsigned long cpu) | |
699 | { | |
700 | if (per_cpu(cpu_tlbstate, cpu).state == TLBSTATE_OK) | |
701 | BUG(); | |
702 | Index: head-2008-12-01/arch/x86/kernel/time_32-xen.c | |
703 | =================================================================== | |
704 | --- head-2008-12-01.orig/arch/x86/kernel/time_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
705 | +++ head-2008-12-01/arch/x86/kernel/time_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
706 | @@ -76,11 +76,12 @@ | |
707 | #include <xen/evtchn.h> | |
708 | #include <xen/interface/vcpu.h> | |
709 | ||
710 | -#ifdef CONFIG_X86_32 | |
711 | #include <asm/i8253.h> | |
712 | DEFINE_SPINLOCK(i8253_lock); | |
713 | EXPORT_SYMBOL(i8253_lock); | |
714 | -#else | |
715 | + | |
716 | +#ifdef CONFIG_X86_64 | |
717 | +#include <asm/vsyscall.h> | |
718 | volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; | |
719 | #endif | |
720 | ||
721 | @@ -758,56 +759,10 @@ unsigned long read_persistent_clock(void | |
722 | return retval; | |
723 | } | |
724 | ||
725 | -static void sync_cmos_clock(unsigned long dummy); | |
726 | - | |
727 | -static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0); | |
728 | -int no_sync_cmos_clock; | |
729 | - | |
730 | -static void sync_cmos_clock(unsigned long dummy) | |
731 | -{ | |
732 | - struct timeval now, next; | |
733 | - int fail = 1; | |
734 | - | |
735 | - /* | |
736 | - * If we have an externally synchronized Linux clock, then update | |
737 | - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be | |
738 | - * called as close as possible to 500 ms before the new second starts. | |
739 | - * This code is run on a timer. If the clock is set, that timer | |
740 | - * may not expire at the correct time. Thus, we adjust... | |
741 | - */ | |
742 | - if (!ntp_synced()) | |
743 | - /* | |
744 | - * Not synced, exit, do not restart a timer (if one is | |
745 | - * running, let it run out). | |
746 | - */ | |
747 | - return; | |
748 | - | |
749 | - do_gettimeofday(&now); | |
750 | - if (now.tv_usec >= USEC_AFTER - ((unsigned) TICK_SIZE) / 2 && | |
751 | - now.tv_usec <= USEC_BEFORE + ((unsigned) TICK_SIZE) / 2) | |
752 | - fail = set_rtc_mmss(now.tv_sec); | |
753 | - | |
754 | - next.tv_usec = USEC_AFTER - now.tv_usec; | |
755 | - if (next.tv_usec <= 0) | |
756 | - next.tv_usec += USEC_PER_SEC; | |
757 | - | |
758 | - if (!fail) | |
759 | - next.tv_sec = 659; | |
760 | - else | |
761 | - next.tv_sec = 0; | |
762 | - | |
763 | - if (next.tv_usec >= USEC_PER_SEC) { | |
764 | - next.tv_sec++; | |
765 | - next.tv_usec -= USEC_PER_SEC; | |
766 | - } | |
767 | - mod_timer(&sync_cmos_timer, jiffies + timeval_to_jiffies(&next)); | |
768 | -} | |
769 | - | |
770 | -void notify_arch_cmos_timer(void) | |
771 | +int update_persistent_clock(struct timespec now) | |
772 | { | |
773 | - if (!no_sync_cmos_clock) | |
774 | - mod_timer(&sync_cmos_timer, jiffies + 1); | |
775 | mod_timer(&sync_xen_wallclock_timer, jiffies + 1); | |
776 | + return set_rtc_mmss(now.tv_sec); | |
777 | } | |
778 | ||
779 | extern void (*late_time_init)(void); | |
780 | Index: head-2008-12-01/arch/x86/kernel/traps_32-xen.c | |
781 | =================================================================== | |
782 | --- head-2008-12-01.orig/arch/x86/kernel/traps_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
783 | +++ head-2008-12-01/arch/x86/kernel/traps_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
784 | @@ -41,6 +41,10 @@ | |
785 | #include <linux/mca.h> | |
786 | #endif | |
787 | ||
788 | +#if defined(CONFIG_EDAC) | |
789 | +#include <linux/edac.h> | |
790 | +#endif | |
791 | + | |
792 | #include <asm/processor.h> | |
793 | #include <asm/system.h> | |
794 | #include <asm/io.h> | |
795 | @@ -102,36 +106,45 @@ asmlinkage void machine_check(void); | |
796 | int kstack_depth_to_print = 24; | |
797 | static unsigned int code_bytes = 64; | |
798 | ||
799 | -static inline int valid_stack_ptr(struct thread_info *tinfo, void *p) | |
800 | +static inline int valid_stack_ptr(struct thread_info *tinfo, void *p, unsigned size) | |
801 | { | |
802 | return p > (void *)tinfo && | |
803 | - p < (void *)tinfo + THREAD_SIZE - 3; | |
804 | + p <= (void *)tinfo + THREAD_SIZE - size; | |
805 | } | |
806 | ||
807 | +/* The form of the top of the frame on the stack */ | |
808 | +struct stack_frame { | |
809 | + struct stack_frame *next_frame; | |
810 | + unsigned long return_address; | |
811 | +}; | |
812 | + | |
813 | static inline unsigned long print_context_stack(struct thread_info *tinfo, | |
814 | unsigned long *stack, unsigned long ebp, | |
815 | struct stacktrace_ops *ops, void *data) | |
816 | { | |
817 | - unsigned long addr; | |
818 | - | |
819 | #ifdef CONFIG_FRAME_POINTER | |
820 | - while (valid_stack_ptr(tinfo, (void *)ebp)) { | |
821 | - unsigned long new_ebp; | |
822 | - addr = *(unsigned long *)(ebp + 4); | |
823 | + struct stack_frame *frame = (struct stack_frame *)ebp; | |
824 | + while (valid_stack_ptr(tinfo, frame, sizeof(*frame))) { | |
825 | + struct stack_frame *next; | |
826 | + unsigned long addr; | |
827 | + | |
828 | + addr = frame->return_address; | |
829 | ops->address(data, addr); | |
830 | /* | |
831 | * break out of recursive entries (such as | |
832 | * end_of_stack_stop_unwind_function). Also, | |
833 | * we can never allow a frame pointer to | |
834 | * move downwards! | |
835 | - */ | |
836 | - new_ebp = *(unsigned long *)ebp; | |
837 | - if (new_ebp <= ebp) | |
838 | + */ | |
839 | + next = frame->next_frame; | |
840 | + if (next <= frame) | |
841 | break; | |
842 | - ebp = new_ebp; | |
843 | + frame = next; | |
844 | } | |
845 | #else | |
846 | - while (valid_stack_ptr(tinfo, stack)) { | |
847 | + while (valid_stack_ptr(tinfo, stack, sizeof(*stack))) { | |
848 | + unsigned long addr; | |
849 | + | |
850 | addr = *stack++; | |
851 | if (__kernel_text_address(addr)) | |
852 | ops->address(data, addr); | |
853 | @@ -154,7 +167,7 @@ void dump_trace(struct task_struct *task | |
854 | if (!stack) { | |
855 | unsigned long dummy; | |
856 | stack = &dummy; | |
857 | - if (task && task != current) | |
858 | + if (task != current) | |
859 | stack = (unsigned long *)task->thread.esp; | |
860 | } | |
861 | ||
862 | @@ -213,6 +226,7 @@ static void print_trace_address(void *da | |
863 | { | |
864 | printk("%s [<%08lx>] ", (char *)data, addr); | |
865 | print_symbol("%s\n", addr); | |
866 | + touch_nmi_watchdog(); | |
867 | } | |
868 | ||
869 | static struct stacktrace_ops print_trace_ops = { | |
870 | @@ -396,7 +410,7 @@ void die(const char * str, struct pt_reg | |
871 | unsigned long esp; | |
872 | unsigned short ss; | |
873 | ||
874 | - report_bug(regs->eip); | |
875 | + report_bug(regs->eip, regs); | |
876 | ||
877 | printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); | |
878 | #ifdef CONFIG_PREEMPT | |
879 | @@ -439,6 +453,7 @@ void die(const char * str, struct pt_reg | |
880 | ||
881 | bust_spinlocks(0); | |
882 | die.lock_owner = -1; | |
883 | + add_taint(TAINT_DIE); | |
884 | spin_unlock_irqrestore(&die.lock, flags); | |
885 | ||
886 | if (!regs) | |
887 | @@ -523,10 +538,12 @@ fastcall void do_##name(struct pt_regs * | |
888 | do_trap(trapnr, signr, str, 0, regs, error_code, NULL); \ | |
889 | } | |
890 | ||
891 | -#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr) \ | |
892 | +#define DO_ERROR_INFO(trapnr, signr, str, name, sicode, siaddr, irq) \ | |
893 | fastcall void do_##name(struct pt_regs * regs, long error_code) \ | |
894 | { \ | |
895 | siginfo_t info; \ | |
896 | + if (irq) \ | |
897 | + local_irq_enable(); \ | |
898 | info.si_signo = signr; \ | |
899 | info.si_errno = 0; \ | |
900 | info.si_code = sicode; \ | |
901 | @@ -566,13 +583,13 @@ DO_VM86_ERROR( 3, SIGTRAP, "int3", int3) | |
902 | #endif | |
903 | DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow) | |
904 | DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds) | |
905 | -DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip) | |
906 | +DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip, 0) | |
907 | DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) | |
908 | DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) | |
909 | DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) | |
910 | DO_ERROR(12, SIGBUS, "stack segment", stack_segment) | |
911 | -DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0) | |
912 | -DO_ERROR_INFO(32, SIGSEGV, "iret exception", iret_error, ILL_BADSTK, 0) | |
913 | +DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0) | |
914 | +DO_ERROR_INFO(32, SIGSEGV, "iret exception", iret_error, ILL_BADSTK, 0, 1) | |
915 | ||
916 | fastcall void __kprobes do_general_protection(struct pt_regs * regs, | |
917 | long error_code) | |
918 | @@ -585,6 +602,13 @@ fastcall void __kprobes do_general_prote | |
919 | ||
920 | current->thread.error_code = error_code; | |
921 | current->thread.trap_no = 13; | |
922 | + if (show_unhandled_signals && unhandled_signal(current, SIGSEGV) && | |
923 | + printk_ratelimit()) | |
924 | + printk(KERN_INFO | |
925 | + "%s[%d] general protection eip:%lx esp:%lx error:%lx\n", | |
926 | + current->comm, current->pid, | |
927 | + regs->eip, regs->esp, error_code); | |
928 | + | |
929 | force_sig(SIGSEGV, current); | |
930 | return; | |
931 | ||
932 | @@ -610,6 +634,14 @@ mem_parity_error(unsigned char reason, s | |
933 | printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on " | |
934 | "CPU %d.\n", reason, smp_processor_id()); | |
935 | printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n"); | |
936 | + | |
937 | +#if defined(CONFIG_EDAC) | |
938 | + if(edac_handler_set()) { | |
939 | + edac_atomic_assert_error(); | |
940 | + return; | |
941 | + } | |
942 | +#endif | |
943 | + | |
944 | if (panic_on_unrecovered_nmi) | |
945 | panic("NMI: Not continuing"); | |
946 | ||
947 | @@ -720,6 +752,8 @@ static __kprobes void default_do_nmi(str | |
948 | reassert_nmi(); | |
949 | } | |
950 | ||
951 | +static int ignore_nmis; | |
952 | + | |
953 | fastcall __kprobes void do_nmi(struct pt_regs * regs, long error_code) | |
954 | { | |
955 | int cpu; | |
956 | @@ -730,11 +764,24 @@ fastcall __kprobes void do_nmi(struct pt | |
957 | ||
958 | ++nmi_count(cpu); | |
959 | ||
960 | - default_do_nmi(regs); | |
961 | + if (!ignore_nmis) | |
962 | + default_do_nmi(regs); | |
963 | ||
964 | nmi_exit(); | |
965 | } | |
966 | ||
967 | +void stop_nmi(void) | |
968 | +{ | |
969 | + acpi_nmi_disable(); | |
970 | + ignore_nmis++; | |
971 | +} | |
972 | + | |
973 | +void restart_nmi(void) | |
974 | +{ | |
975 | + ignore_nmis--; | |
976 | + acpi_nmi_enable(); | |
977 | +} | |
978 | + | |
979 | #ifdef CONFIG_KPROBES | |
980 | fastcall void __kprobes do_int3(struct pt_regs *regs, long error_code) | |
981 | { | |
982 | @@ -1023,6 +1070,7 @@ asmlinkage void math_state_restore(void) | |
983 | thread->status |= TS_USEDFPU; /* So we fnsave on switch_to() */ | |
984 | tsk->fpu_counter++; | |
985 | } | |
986 | +EXPORT_SYMBOL_GPL(math_state_restore); | |
987 | ||
988 | #ifndef CONFIG_MATH_EMULATION | |
989 | ||
990 | Index: head-2008-12-01/arch/x86/mach-xen/setup.c | |
991 | =================================================================== | |
992 | --- head-2008-12-01.orig/arch/x86/mach-xen/setup.c 2008-12-01 11:29:05.000000000 +0100 | |
993 | +++ head-2008-12-01/arch/x86/mach-xen/setup.c 2008-12-01 11:36:47.000000000 +0100 | |
994 | @@ -12,6 +12,7 @@ | |
995 | #include <asm/e820.h> | |
996 | #include <asm/setup.h> | |
997 | #include <asm/fixmap.h> | |
998 | +#include <asm/pgtable.h> | |
999 | ||
1000 | #include <xen/interface/callback.h> | |
1001 | #include <xen/interface/memory.h> | |
1002 | @@ -101,7 +102,7 @@ void __init pre_setup_arch_hook(void) | |
1003 | ||
1004 | init_mm.pgd = swapper_pg_dir = (pgd_t *)xen_start_info->pt_base; | |
1005 | ||
1006 | - setup_xen_features(); | |
1007 | + xen_setup_features(); | |
1008 | ||
1009 | if (HYPERVISOR_xen_version(XENVER_platform_parameters, &pp) == 0) { | |
1010 | hypervisor_virt_start = pp.virt_start; | |
1011 | @@ -157,4 +158,18 @@ void __init machine_specific_arch_setup( | |
1012 | HYPERVISOR_nmi_op(XENNMI_register_callback, &cb); | |
1013 | } | |
1014 | #endif | |
1015 | + | |
1016 | + /* Do an early initialization of the fixmap area */ | |
1017 | + { | |
1018 | + extern pte_t swapper_pg_pmd[PTRS_PER_PTE]; | |
1019 | + unsigned long addr = __fix_to_virt(FIX_EARLYCON_MEM_BASE); | |
1020 | + pgd_t *pgd = (pgd_t *)xen_start_info->pt_base; | |
1021 | + pud_t *pud = pud_offset(pgd + pgd_index(addr), addr); | |
1022 | + pmd_t *pmd = pmd_offset(pud, addr); | |
1023 | + | |
1024 | + swapper_pg_dir = pgd; | |
1025 | + init_mm.pgd = pgd; | |
1026 | + make_lowmem_page_readonly(swapper_pg_pmd, XENFEAT_writable_page_tables); | |
1027 | + set_pmd(pmd, __pmd(__pa_symbol(swapper_pg_pmd) | _PAGE_TABLE)); | |
1028 | + } | |
1029 | } | |
1030 | Index: head-2008-12-01/arch/x86/mm/fault_32-xen.c | |
1031 | =================================================================== | |
1032 | --- head-2008-12-01.orig/arch/x86/mm/fault_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1033 | +++ head-2008-12-01/arch/x86/mm/fault_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1034 | @@ -346,7 +346,10 @@ static inline pmd_t *vmalloc_sync_one(pg | |
1035 | pmd_k = pmd_offset(pud_k, address); | |
1036 | if (!pmd_present(*pmd_k)) | |
1037 | return NULL; | |
1038 | - if (!pmd_present(*pmd)) | |
1039 | + if (!pmd_present(*pmd)) { | |
1040 | + bool lazy = x86_read_percpu(xen_lazy_mmu); | |
1041 | + | |
1042 | + x86_write_percpu(xen_lazy_mmu, false); | |
1043 | #if CONFIG_XEN_COMPAT > 0x030002 | |
1044 | set_pmd(pmd, *pmd_k); | |
1045 | #else | |
1046 | @@ -356,7 +359,8 @@ static inline pmd_t *vmalloc_sync_one(pg | |
1047 | */ | |
1048 | set_pmd(pmd, __pmd(pmd_val(*pmd_k))); | |
1049 | #endif | |
1050 | - else | |
1051 | + x86_write_percpu(xen_lazy_mmu, lazy); | |
1052 | + } else | |
1053 | BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k)); | |
1054 | return pmd_k; | |
1055 | } | |
1056 | @@ -388,6 +392,8 @@ static inline int vmalloc_fault(unsigned | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | +int show_unhandled_signals = 1; | |
1061 | + | |
1062 | /* | |
1063 | * This routine handles page faults. It determines the address, | |
1064 | * and the problem, and then passes it off to one of the appropriate | |
1065 | @@ -408,6 +414,7 @@ fastcall void __kprobes do_page_fault(st | |
1066 | struct vm_area_struct * vma; | |
1067 | unsigned long address; | |
1068 | int write, si_code; | |
1069 | + int fault; | |
1070 | ||
1071 | /* get the address */ | |
1072 | address = read_cr2(); | |
1073 | @@ -541,20 +548,18 @@ good_area: | |
1074 | * make sure we exit gracefully rather than endlessly redo | |
1075 | * the fault. | |
1076 | */ | |
1077 | - switch (handle_mm_fault(mm, vma, address, write)) { | |
1078 | - case VM_FAULT_MINOR: | |
1079 | - tsk->min_flt++; | |
1080 | - break; | |
1081 | - case VM_FAULT_MAJOR: | |
1082 | - tsk->maj_flt++; | |
1083 | - break; | |
1084 | - case VM_FAULT_SIGBUS: | |
1085 | - goto do_sigbus; | |
1086 | - case VM_FAULT_OOM: | |
1087 | + fault = handle_mm_fault(mm, vma, address, write); | |
1088 | + if (unlikely(fault & VM_FAULT_ERROR)) { | |
1089 | + if (fault & VM_FAULT_OOM) | |
1090 | goto out_of_memory; | |
1091 | - default: | |
1092 | - BUG(); | |
1093 | + else if (fault & VM_FAULT_SIGBUS) | |
1094 | + goto do_sigbus; | |
1095 | + BUG(); | |
1096 | } | |
1097 | + if (fault & VM_FAULT_MAJOR) | |
1098 | + tsk->maj_flt++; | |
1099 | + else | |
1100 | + tsk->min_flt++; | |
1101 | ||
1102 | /* | |
1103 | * Did it hit the DOS screen memory VA from vm86 mode? | |
1104 | @@ -589,6 +594,14 @@ bad_area_nosemaphore: | |
1105 | if (is_prefetch(regs, address, error_code)) | |
1106 | return; | |
1107 | ||
1108 | + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && | |
1109 | + printk_ratelimit()) { | |
1110 | + printk("%s%s[%d]: segfault at %08lx eip %08lx " | |
1111 | + "esp %08lx error %lx\n", | |
1112 | + tsk->pid > 1 ? KERN_INFO : KERN_EMERG, | |
1113 | + tsk->comm, tsk->pid, address, regs->eip, | |
1114 | + regs->esp, error_code); | |
1115 | + } | |
1116 | tsk->thread.cr2 = address; | |
1117 | /* Kernel addresses are always protection faults */ | |
1118 | tsk->thread.error_code = error_code | (address >= TASK_SIZE); | |
1119 | Index: head-2008-12-01/arch/x86/mm/highmem_32-xen.c | |
1120 | =================================================================== | |
1121 | --- head-2008-12-01.orig/arch/x86/mm/highmem_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1122 | +++ head-2008-12-01/arch/x86/mm/highmem_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1123 | @@ -34,17 +34,16 @@ void *kmap_atomic_prot(struct page *page | |
1124 | /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ | |
1125 | pagefault_disable(); | |
1126 | ||
1127 | - idx = type + KM_TYPE_NR*smp_processor_id(); | |
1128 | - BUG_ON(!pte_none(*(kmap_pte-idx))); | |
1129 | - | |
1130 | if (!PageHighMem(page)) | |
1131 | return page_address(page); | |
1132 | ||
1133 | + idx = type + KM_TYPE_NR*smp_processor_id(); | |
1134 | vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); | |
1135 | + BUG_ON(!pte_none(*(kmap_pte-idx))); | |
1136 | set_pte_at(&init_mm, vaddr, kmap_pte-idx, mk_pte(page, prot)); | |
1137 | /*arch_flush_lazy_mmu_mode();*/ | |
1138 | ||
1139 | - return (void*) vaddr; | |
1140 | + return (void *)vaddr; | |
1141 | } | |
1142 | ||
1143 | void *kmap_atomic(struct page *page, enum km_type type) | |
1144 | Index: head-2008-12-01/arch/x86/mm/init_32-xen.c | |
1145 | =================================================================== | |
1146 | --- head-2008-12-01.orig/arch/x86/mm/init_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1147 | +++ head-2008-12-01/arch/x86/mm/init_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1148 | @@ -96,7 +96,7 @@ static pte_t * __init one_page_table_ini | |
1149 | #endif | |
1150 | pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); | |
1151 | ||
1152 | - paravirt_alloc_pt(__pa(page_table) >> PAGE_SHIFT); | |
1153 | + paravirt_alloc_pt(&init_mm, __pa(page_table) >> PAGE_SHIFT); | |
1154 | make_lowmem_page_readonly(page_table, | |
1155 | XENFEAT_writable_page_tables); | |
1156 | set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); | |
1157 | @@ -446,7 +446,7 @@ static void __init pagetable_init (void) | |
1158 | xen_pagetable_setup_done(pgd_base); | |
1159 | } | |
1160 | ||
1161 | -#if defined(CONFIG_SOFTWARE_SUSPEND) || defined(CONFIG_ACPI_SLEEP) | |
1162 | +#if defined(CONFIG_HIBERNATION) || defined(CONFIG_ACPI) | |
1163 | /* | |
1164 | * Swap suspend & friends need this for resume because things like the intel-agp | |
1165 | * driver might have split up a kernel 4MB mapping. | |
1166 | @@ -485,9 +485,13 @@ void zap_low_mappings (void) | |
1167 | flush_tlb_all(); | |
1168 | } | |
1169 | ||
1170 | +int nx_enabled = 0; | |
1171 | + | |
1172 | +#ifdef CONFIG_X86_PAE | |
1173 | + | |
1174 | static int disable_nx __initdata = 0; | |
1175 | u64 __supported_pte_mask __read_mostly = ~_PAGE_NX; | |
1176 | -EXPORT_SYMBOL(__supported_pte_mask); | |
1177 | +EXPORT_SYMBOL_GPL(__supported_pte_mask); | |
1178 | ||
1179 | /* | |
1180 | * noexec = on|off | |
1181 | @@ -514,9 +518,6 @@ static int __init noexec_setup(char *str | |
1182 | } | |
1183 | early_param("noexec", noexec_setup); | |
1184 | ||
1185 | -int nx_enabled = 0; | |
1186 | -#ifdef CONFIG_X86_PAE | |
1187 | - | |
1188 | static void __init set_nx(void) | |
1189 | { | |
1190 | unsigned int v[4], l, h; | |
1191 | @@ -764,7 +765,7 @@ void __init mem_init(void) | |
1192 | zap_low_mappings(); | |
1193 | #endif | |
1194 | ||
1195 | - set_bit(PG_pinned, &virt_to_page(init_mm.pgd)->flags); | |
1196 | + SetPagePinned(virt_to_page(init_mm.pgd)); | |
1197 | } | |
1198 | ||
1199 | #ifdef CONFIG_MEMORY_HOTPLUG | |
1200 | @@ -796,8 +797,7 @@ void __init pgtable_cache_init(void) | |
1201 | PTRS_PER_PMD*sizeof(pmd_t), | |
1202 | PTRS_PER_PMD*sizeof(pmd_t), | |
1203 | SLAB_PANIC, | |
1204 | - pmd_ctor, | |
1205 | - NULL); | |
1206 | + pmd_ctor); | |
1207 | if (!SHARED_KERNEL_PMD) { | |
1208 | /* If we're in PAE mode and have a non-shared | |
1209 | kernel pmd, then the pgd size must be a | |
1210 | Index: head-2008-12-01/arch/x86/mm/ioremap_32-xen.c | |
1211 | =================================================================== | |
1212 | --- head-2008-12-01.orig/arch/x86/mm/ioremap_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1213 | +++ head-2008-12-01/arch/x86/mm/ioremap_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1214 | @@ -363,9 +363,8 @@ void iounmap(volatile void __iomem *addr | |
1215 | ||
1216 | /* Reset the direct mapping. Can block */ | |
1217 | if ((p->flags >> 20) && is_local_lowmem(p->phys_addr)) { | |
1218 | - /* p->size includes the guard page, but cpa doesn't like that */ | |
1219 | change_page_attr(virt_to_page(bus_to_virt(p->phys_addr)), | |
1220 | - (p->size - PAGE_SIZE) >> PAGE_SHIFT, | |
1221 | + get_vm_area_size(p) >> PAGE_SHIFT, | |
1222 | PAGE_KERNEL); | |
1223 | global_flush_tlb(); | |
1224 | } | |
1225 | Index: head-2008-12-01/arch/x86/mm/pgtable_32-xen.c | |
1226 | =================================================================== | |
1227 | --- head-2008-12-01.orig/arch/x86/mm/pgtable_32-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1228 | +++ head-2008-12-01/arch/x86/mm/pgtable_32-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1229 | @@ -198,7 +198,7 @@ void pte_free(struct page *pte) | |
1230 | va, pfn_pte(pfn, PAGE_KERNEL), 0)) | |
1231 | BUG(); | |
1232 | } else | |
1233 | - clear_bit(PG_pinned, &pte->flags); | |
1234 | + ClearPagePinned(pte); | |
1235 | ||
1236 | ClearPageForeign(pte); | |
1237 | init_page_count(pte); | |
1238 | @@ -248,7 +248,7 @@ static inline void pgd_list_del(pgd_t *p | |
1239 | ||
1240 | #if (PTRS_PER_PMD == 1) | |
1241 | /* Non-PAE pgd constructor */ | |
1242 | -void pgd_ctor(void *pgd) | |
1243 | +static void pgd_ctor(void *pgd) | |
1244 | { | |
1245 | unsigned long flags; | |
1246 | ||
1247 | @@ -271,7 +271,7 @@ void pgd_ctor(void *pgd) | |
1248 | } | |
1249 | #else /* PTRS_PER_PMD > 1 */ | |
1250 | /* PAE pgd constructor */ | |
1251 | -void pgd_ctor(void *pgd) | |
1252 | +static void pgd_ctor(void *pgd) | |
1253 | { | |
1254 | /* PAE, kernel PMD may be shared */ | |
1255 | ||
1256 | @@ -285,7 +285,7 @@ void pgd_ctor(void *pgd) | |
1257 | } | |
1258 | #endif /* PTRS_PER_PMD */ | |
1259 | ||
1260 | -void pgd_dtor(void *pgd) | |
1261 | +static void pgd_dtor(void *pgd) | |
1262 | { | |
1263 | unsigned long flags; /* can be called from interrupt context */ | |
1264 | ||
1265 | @@ -637,9 +637,9 @@ static inline unsigned int pgd_walk_set_ | |
1266 | ||
1267 | if (PageHighMem(page)) { | |
1268 | if (pgprot_val(flags) & _PAGE_RW) | |
1269 | - clear_bit(PG_pinned, &page->flags); | |
1270 | + ClearPagePinned(page); | |
1271 | else | |
1272 | - set_bit(PG_pinned, &page->flags); | |
1273 | + SetPagePinned(page); | |
1274 | } else { | |
1275 | MULTI_update_va_mapping(per_cpu(pb_mcl, cpu) + seq, | |
1276 | (unsigned long)__va(pfn << PAGE_SHIFT), | |
1277 | @@ -709,19 +709,19 @@ static void __pgd_pin(pgd_t *pgd) | |
1278 | pgd_walk(pgd, PAGE_KERNEL_RO); | |
1279 | kmap_flush_unused(); | |
1280 | xen_pgd_pin(__pa(pgd)); | |
1281 | - set_bit(PG_pinned, &virt_to_page(pgd)->flags); | |
1282 | + SetPagePinned(virt_to_page(pgd)); | |
1283 | } | |
1284 | ||
1285 | static void __pgd_unpin(pgd_t *pgd) | |
1286 | { | |
1287 | xen_pgd_unpin(__pa(pgd)); | |
1288 | pgd_walk(pgd, PAGE_KERNEL); | |
1289 | - clear_bit(PG_pinned, &virt_to_page(pgd)->flags); | |
1290 | + ClearPagePinned(virt_to_page(pgd)); | |
1291 | } | |
1292 | ||
1293 | static void pgd_test_and_unpin(pgd_t *pgd) | |
1294 | { | |
1295 | - if (test_bit(PG_pinned, &virt_to_page(pgd)->flags)) | |
1296 | + if (PagePinned(virt_to_page(pgd))) | |
1297 | __pgd_unpin(pgd); | |
1298 | } | |
1299 | ||
1300 | @@ -759,7 +759,7 @@ void mm_pin_all(void) | |
1301 | */ | |
1302 | spin_lock_irqsave(&pgd_lock, flags); | |
1303 | for (page = pgd_list; page; page = (struct page *)page->index) { | |
1304 | - if (!test_bit(PG_pinned, &page->flags)) | |
1305 | + if (!PagePinned(page)) | |
1306 | __pgd_pin((pgd_t *)page_address(page)); | |
1307 | } | |
1308 | spin_unlock_irqrestore(&pgd_lock, flags); | |
1309 | @@ -767,7 +767,7 @@ void mm_pin_all(void) | |
1310 | ||
1311 | void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) | |
1312 | { | |
1313 | - if (!test_bit(PG_pinned, &virt_to_page(mm->pgd)->flags)) | |
1314 | + if (!PagePinned(virt_to_page(mm->pgd))) | |
1315 | mm_pin(mm); | |
1316 | } | |
1317 | ||
1318 | @@ -793,7 +793,7 @@ void arch_exit_mmap(struct mm_struct *mm | |
1319 | ||
1320 | task_unlock(tsk); | |
1321 | ||
1322 | - if (test_bit(PG_pinned, &virt_to_page(mm->pgd)->flags) && | |
1323 | + if (PagePinned(virt_to_page(mm->pgd)) && | |
1324 | (atomic_read(&mm->mm_count) == 1) && | |
1325 | !mm->context.has_foreign_mappings) | |
1326 | mm_unpin(mm); | |
1327 | Index: head-2008-12-01/arch/x86/pci/irq-xen.c | |
1328 | =================================================================== | |
1329 | --- head-2008-12-01.orig/arch/x86/pci/irq-xen.c 2008-12-01 11:32:38.000000000 +0100 | |
1330 | +++ head-2008-12-01/arch/x86/pci/irq-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1331 | @@ -142,8 +142,9 @@ static void __init pirq_peer_trick(void) | |
1332 | for(i = 1; i < 256; i++) { | |
1333 | if (!busmap[i] || pci_find_bus(0, i)) | |
1334 | continue; | |
1335 | - if (pci_scan_bus(i, &pci_root_ops, NULL)) | |
1336 | - printk(KERN_INFO "PCI: Discovered primary peer bus %02x [IRQ]\n", i); | |
1337 | + if (pci_scan_bus_with_sysdata(i)) | |
1338 | + printk(KERN_INFO "PCI: Discovered primary peer " | |
1339 | + "bus %02x [IRQ]\n", i); | |
1340 | } | |
1341 | pcibios_last_bus = -1; | |
1342 | } | |
1343 | @@ -553,6 +554,7 @@ static __init int intel_router_probe(str | |
1344 | case PCI_DEVICE_ID_INTEL_ICH9_3: | |
1345 | case PCI_DEVICE_ID_INTEL_ICH9_4: | |
1346 | case PCI_DEVICE_ID_INTEL_ICH9_5: | |
1347 | + case PCI_DEVICE_ID_INTEL_TOLAPAI_0: | |
1348 | r->name = "PIIX/ICH"; | |
1349 | r->get = pirq_piix_get; | |
1350 | r->set = pirq_piix_set; | |
1351 | Index: head-2008-12-01/arch/x86/xen/Kconfig | |
1352 | =================================================================== | |
1353 | --- head-2008-12-01.orig/arch/x86/xen/Kconfig 2008-12-01 10:53:14.000000000 +0100 | |
1354 | +++ head-2008-12-01/arch/x86/xen/Kconfig 2008-12-01 11:36:47.000000000 +0100 | |
1355 | @@ -2,7 +2,7 @@ | |
1356 | # This Kconfig describes xen options | |
1357 | # | |
1358 | ||
1359 | -config XEN | |
1360 | +config PARAVIRT_XEN | |
1361 | bool "Xen guest support" | |
1362 | select PARAVIRT | |
1363 | select PARAVIRT_CLOCK | |
1364 | Index: head-2008-12-01/arch/x86/xen/xen-head.S | |
1365 | =================================================================== | |
1366 | --- head-2008-12-01.orig/arch/x86/xen/xen-head.S 2008-12-01 10:53:14.000000000 +0100 | |
1367 | +++ head-2008-12-01/arch/x86/xen/xen-head.S 2008-12-01 11:36:47.000000000 +0100 | |
1368 | @@ -1,7 +1,7 @@ | |
1369 | /* Xen-specific pieces of head.S, intended to be included in the right | |
1370 | place in head.S */ | |
1371 | ||
1372 | -#ifdef CONFIG_XEN | |
1373 | +#ifdef CONFIG_PARAVIRT_XEN | |
1374 | ||
1375 | #include <linux/elfnote.h> | |
1376 | #include <linux/init.h> | |
1377 | @@ -52,4 +52,4 @@ ENTRY(hypercall_page) | |
1378 | ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START) | |
1379 | ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, _ASM_PTR 0) | |
1380 | ||
1381 | -#endif /*CONFIG_XEN */ | |
1382 | +#endif /* CONFIG_PARAVIRT_XEN */ | |
1383 | Index: head-2008-12-01/arch/x86/ia32/ia32entry-xen.S | |
1384 | =================================================================== | |
1385 | --- head-2008-12-01.orig/arch/x86/ia32/ia32entry-xen.S 2008-12-01 11:36:13.000000000 +0100 | |
1386 | +++ head-2008-12-01/arch/x86/ia32/ia32entry-xen.S 2008-12-01 11:36:47.000000000 +0100 | |
1387 | @@ -105,7 +105,7 @@ ENTRY(ia32_sysenter_target) | |
1388 | movl $VSYSCALL32_SYSEXIT,8(%rsp) | |
1389 | movq %rax,(%rsp) | |
1390 | cld | |
1391 | - SAVE_ARGS 0,0,0 | |
1392 | + SAVE_ARGS 0,0,1 | |
1393 | /* no need to do an access_ok check here because rbp has been | |
1394 | 32bit zero extended */ | |
1395 | 1: movl (%rbp),%r9d | |
1396 | @@ -244,7 +244,7 @@ ia32_badarg: | |
1397 | */ | |
1398 | ||
1399 | ENTRY(ia32_syscall) | |
1400 | - CFI_STARTPROC simple | |
1401 | + CFI_STARTPROC32 simple | |
1402 | CFI_SIGNAL_FRAME | |
1403 | CFI_DEF_CFA rsp,SS+8-RIP+16 | |
1404 | /*CFI_REL_OFFSET ss,SS-RIP+16*/ | |
1405 | @@ -280,6 +280,7 @@ ia32_sysret: | |
1406 | ||
1407 | ia32_tracesys: | |
1408 | SAVE_REST | |
1409 | + CLEAR_RREGS | |
1410 | movq $-ENOSYS,RAX(%rsp) /* really needed? */ | |
1411 | movq %rsp,%rdi /* &pt_regs -> arg1 */ | |
1412 | call syscall_trace_enter | |
1413 | @@ -476,7 +477,7 @@ ia32_sys_call_table: | |
1414 | .quad sys_init_module | |
1415 | .quad sys_delete_module | |
1416 | .quad quiet_ni_syscall /* 130 get_kernel_syms */ | |
1417 | - .quad sys_quotactl | |
1418 | + .quad sys32_quotactl | |
1419 | .quad sys_getpgid | |
1420 | .quad sys_fchdir | |
1421 | .quad quiet_ni_syscall /* bdflush */ | |
1422 | @@ -669,4 +670,5 @@ ia32_sys_call_table: | |
1423 | .quad compat_sys_signalfd | |
1424 | .quad compat_sys_timerfd | |
1425 | .quad sys_eventfd | |
1426 | + .quad sys32_fallocate | |
1427 | ia32_syscall_end: | |
1428 | Index: head-2008-12-01/arch/x86/kernel/acpi/sleep_64-xen.c | |
1429 | =================================================================== | |
1430 | --- head-2008-12-01.orig/arch/x86/kernel/acpi/sleep_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1431 | +++ head-2008-12-01/arch/x86/kernel/acpi/sleep_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1432 | @@ -51,12 +51,10 @@ | |
1433 | Low-Level Sleep Support | |
1434 | -------------------------------------------------------------------------- */ | |
1435 | ||
1436 | -#ifdef CONFIG_ACPI_SLEEP | |
1437 | - | |
1438 | #ifndef CONFIG_ACPI_PV_SLEEP | |
1439 | /* address in low memory of the wakeup routine. */ | |
1440 | unsigned long acpi_wakeup_address = 0; | |
1441 | -unsigned long acpi_video_flags; | |
1442 | +unsigned long acpi_realmode_flags; | |
1443 | extern char wakeup_start, wakeup_end; | |
1444 | ||
1445 | extern unsigned long acpi_copy_wakeup_routine(unsigned long); | |
1446 | @@ -109,9 +107,11 @@ static int __init acpi_sleep_setup(char | |
1447 | { | |
1448 | while ((str != NULL) && (*str != '\0')) { | |
1449 | if (strncmp(str, "s3_bios", 7) == 0) | |
1450 | - acpi_video_flags = 1; | |
1451 | + acpi_realmode_flags |= 1; | |
1452 | if (strncmp(str, "s3_mode", 7) == 0) | |
1453 | - acpi_video_flags |= 2; | |
1454 | + acpi_realmode_flags |= 2; | |
1455 | + if (strncmp(str, "s3_beep", 7) == 0) | |
1456 | + acpi_realmode_flags |= 4; | |
1457 | str = strchr(str, ','); | |
1458 | if (str != NULL) | |
1459 | str += strspn(str, ", \t"); | |
1460 | @@ -123,8 +123,6 @@ static int __init acpi_sleep_setup(char | |
1461 | __setup("acpi_sleep=", acpi_sleep_setup); | |
1462 | #endif /* CONFIG_ACPI_PV_SLEEP */ | |
1463 | ||
1464 | -#endif /*CONFIG_ACPI_SLEEP */ | |
1465 | - | |
1466 | void acpi_pci_link_exit(void) | |
1467 | { | |
1468 | } | |
1469 | Index: head-2008-12-01/arch/x86/kernel/apic_64-xen.c | |
1470 | =================================================================== | |
1471 | --- head-2008-12-01.orig/arch/x86/kernel/apic_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1472 | +++ head-2008-12-01/arch/x86/kernel/apic_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1473 | @@ -50,7 +50,7 @@ void ack_bad_irq(unsigned int irq) | |
1474 | * holds up an irq slot - in excessive cases (when multiple | |
1475 | * unexpected vectors occur) that might lock up the APIC | |
1476 | * completely. | |
1477 | - * But don't ack when the APIC is disabled. -AK | |
1478 | + * But don't ack when the APIC is disabled. -AK | |
1479 | */ | |
1480 | if (!disable_apic) | |
1481 | ack_APIC_irq(); | |
1482 | @@ -132,20 +132,6 @@ asmlinkage void smp_spurious_interrupt(v | |
1483 | if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) | |
1484 | ack_APIC_irq(); | |
1485 | ||
1486 | -#if 0 | |
1487 | - static unsigned long last_warning; | |
1488 | - static unsigned long skipped; | |
1489 | - | |
1490 | - /* see sw-dev-man vol 3, chapter 7.4.13.5 */ | |
1491 | - if (time_before(last_warning+30*HZ,jiffies)) { | |
1492 | - printk(KERN_INFO "spurious APIC interrupt on CPU#%d, %ld skipped.\n", | |
1493 | - smp_processor_id(), skipped); | |
1494 | - last_warning = jiffies; | |
1495 | - skipped = 0; | |
1496 | - } else { | |
1497 | - skipped++; | |
1498 | - } | |
1499 | -#endif | |
1500 | irq_exit(); | |
1501 | } | |
1502 | ||
1503 | @@ -177,7 +163,7 @@ asmlinkage void smp_error_interrupt(void | |
1504 | 7: Illegal register address | |
1505 | */ | |
1506 | printk (KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n", | |
1507 | - smp_processor_id(), v , v1); | |
1508 | + smp_processor_id(), v , v1); | |
1509 | irq_exit(); | |
1510 | } | |
1511 | ||
1512 | Index: head-2008-12-01/arch/x86/kernel/e820_64-xen.c | |
1513 | =================================================================== | |
1514 | --- head-2008-12-01.orig/arch/x86/kernel/e820_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1515 | +++ head-2008-12-01/arch/x86/kernel/e820_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1516 | @@ -222,37 +222,6 @@ unsigned long __init e820_end_of_ram(voi | |
1517 | } | |
1518 | ||
1519 | /* | |
1520 | - * Find the hole size in the range. | |
1521 | - */ | |
1522 | -unsigned long __init e820_hole_size(unsigned long start, unsigned long end) | |
1523 | -{ | |
1524 | - unsigned long ram = 0; | |
1525 | - int i; | |
1526 | - | |
1527 | - for (i = 0; i < e820.nr_map; i++) { | |
1528 | - struct e820entry *ei = &e820.map[i]; | |
1529 | - unsigned long last, addr; | |
1530 | - | |
1531 | - if (ei->type != E820_RAM || | |
1532 | - ei->addr+ei->size <= start || | |
1533 | - ei->addr >= end) | |
1534 | - continue; | |
1535 | - | |
1536 | - addr = round_up(ei->addr, PAGE_SIZE); | |
1537 | - if (addr < start) | |
1538 | - addr = start; | |
1539 | - | |
1540 | - last = round_down(ei->addr + ei->size, PAGE_SIZE); | |
1541 | - if (last >= end) | |
1542 | - last = end; | |
1543 | - | |
1544 | - if (last > addr) | |
1545 | - ram += last - addr; | |
1546 | - } | |
1547 | - return ((end - start) - ram); | |
1548 | -} | |
1549 | - | |
1550 | -/* | |
1551 | * Mark e820 reserved areas as busy for the resource manager. | |
1552 | */ | |
1553 | void __init e820_reserve_resources(struct e820entry *e820, int nr_map) | |
1554 | @@ -325,47 +294,61 @@ void __init e820_mark_nosave_regions(voi | |
1555 | } | |
1556 | #endif | |
1557 | ||
1558 | +/* | |
1559 | + * Finds an active region in the address range from start_pfn to end_pfn and | |
1560 | + * returns its range in ei_startpfn and ei_endpfn for the e820 entry. | |
1561 | + */ | |
1562 | +static int __init e820_find_active_region(const struct e820entry *ei, | |
1563 | + unsigned long start_pfn, | |
1564 | + unsigned long end_pfn, | |
1565 | + unsigned long *ei_startpfn, | |
1566 | + unsigned long *ei_endpfn) | |
1567 | +{ | |
1568 | + *ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT; | |
1569 | + *ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE) >> PAGE_SHIFT; | |
1570 | + | |
1571 | + /* Skip map entries smaller than a page */ | |
1572 | + if (*ei_startpfn >= *ei_endpfn) | |
1573 | + return 0; | |
1574 | + | |
1575 | + /* Check if end_pfn_map should be updated */ | |
1576 | + if (ei->type != E820_RAM && *ei_endpfn > end_pfn_map) | |
1577 | + end_pfn_map = *ei_endpfn; | |
1578 | + | |
1579 | + /* Skip if map is outside the node */ | |
1580 | + if (ei->type != E820_RAM || *ei_endpfn <= start_pfn || | |
1581 | + *ei_startpfn >= end_pfn) | |
1582 | + return 0; | |
1583 | + | |
1584 | + /* Check for overlaps */ | |
1585 | + if (*ei_startpfn < start_pfn) | |
1586 | + *ei_startpfn = start_pfn; | |
1587 | + if (*ei_endpfn > end_pfn) | |
1588 | + *ei_endpfn = end_pfn; | |
1589 | + | |
1590 | + /* Obey end_user_pfn to save on memmap */ | |
1591 | + if (*ei_startpfn >= end_user_pfn) | |
1592 | + return 0; | |
1593 | + if (*ei_endpfn > end_user_pfn) | |
1594 | + *ei_endpfn = end_user_pfn; | |
1595 | + | |
1596 | + return 1; | |
1597 | +} | |
1598 | + | |
1599 | /* Walk the e820 map and register active regions within a node */ | |
1600 | void __init | |
1601 | e820_register_active_regions(int nid, unsigned long start_pfn, | |
1602 | unsigned long end_pfn) | |
1603 | { | |
1604 | + unsigned long ei_startpfn; | |
1605 | + unsigned long ei_endpfn; | |
1606 | int i; | |
1607 | - unsigned long ei_startpfn, ei_endpfn; | |
1608 | - for (i = 0; i < e820.nr_map; i++) { | |
1609 | - struct e820entry *ei = &e820.map[i]; | |
1610 | - ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT; | |
1611 | - ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE) | |
1612 | - >> PAGE_SHIFT; | |
1613 | - | |
1614 | - /* Skip map entries smaller than a page */ | |
1615 | - if (ei_startpfn >= ei_endpfn) | |
1616 | - continue; | |
1617 | - | |
1618 | - /* Check if end_pfn_map should be updated */ | |
1619 | - if (ei->type != E820_RAM && ei_endpfn > end_pfn_map) | |
1620 | - end_pfn_map = ei_endpfn; | |
1621 | - | |
1622 | - /* Skip if map is outside the node */ | |
1623 | - if (ei->type != E820_RAM || | |
1624 | - ei_endpfn <= start_pfn || | |
1625 | - ei_startpfn >= end_pfn) | |
1626 | - continue; | |
1627 | - | |
1628 | - /* Check for overlaps */ | |
1629 | - if (ei_startpfn < start_pfn) | |
1630 | - ei_startpfn = start_pfn; | |
1631 | - if (ei_endpfn > end_pfn) | |
1632 | - ei_endpfn = end_pfn; | |
1633 | - | |
1634 | - /* Obey end_user_pfn to save on memmap */ | |
1635 | - if (ei_startpfn >= end_user_pfn) | |
1636 | - continue; | |
1637 | - if (ei_endpfn > end_user_pfn) | |
1638 | - ei_endpfn = end_user_pfn; | |
1639 | ||
1640 | - add_active_range(nid, ei_startpfn, ei_endpfn); | |
1641 | - } | |
1642 | + for (i = 0; i < e820.nr_map; i++) | |
1643 | + if (e820_find_active_region(&e820.map[i], | |
1644 | + start_pfn, end_pfn, | |
1645 | + &ei_startpfn, &ei_endpfn)) | |
1646 | + add_active_range(nid, ei_startpfn, ei_endpfn); | |
1647 | } | |
1648 | ||
1649 | /* | |
1650 | @@ -386,12 +369,35 @@ void __init add_memory_region(unsigned l | |
1651 | e820.nr_map++; | |
1652 | } | |
1653 | ||
1654 | +/* | |
1655 | + * Find the hole size (in bytes) in the memory range. | |
1656 | + * @start: starting address of the memory range to scan | |
1657 | + * @end: ending address of the memory range to scan | |
1658 | + */ | |
1659 | +unsigned long __init e820_hole_size(unsigned long start, unsigned long end) | |
1660 | +{ | |
1661 | + unsigned long start_pfn = start >> PAGE_SHIFT; | |
1662 | + unsigned long end_pfn = end >> PAGE_SHIFT; | |
1663 | + unsigned long ei_startpfn; | |
1664 | + unsigned long ei_endpfn; | |
1665 | + unsigned long ram = 0; | |
1666 | + int i; | |
1667 | + | |
1668 | + for (i = 0; i < e820.nr_map; i++) { | |
1669 | + if (e820_find_active_region(&e820.map[i], | |
1670 | + start_pfn, end_pfn, | |
1671 | + &ei_startpfn, &ei_endpfn)) | |
1672 | + ram += ei_endpfn - ei_startpfn; | |
1673 | + } | |
1674 | + return end - start - (ram << PAGE_SHIFT); | |
1675 | +} | |
1676 | + | |
1677 | void __init e820_print_map(char *who) | |
1678 | { | |
1679 | int i; | |
1680 | ||
1681 | for (i = 0; i < e820.nr_map; i++) { | |
1682 | - printk(" %s: %016Lx - %016Lx ", who, | |
1683 | + printk(KERN_INFO " %s: %016Lx - %016Lx ", who, | |
1684 | (unsigned long long) e820.map[i].addr, | |
1685 | (unsigned long long) (e820.map[i].addr + e820.map[i].size)); | |
1686 | switch (e820.map[i].type) { | |
1687 | Index: head-2008-12-01/arch/x86/kernel/early_printk-xen.c | |
1688 | =================================================================== | |
1689 | --- head-2008-12-01.orig/arch/x86/kernel/early_printk-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1690 | +++ head-2008-12-01/arch/x86/kernel/early_printk-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1691 | @@ -174,6 +174,7 @@ static __init void early_serial_init(cha | |
1692 | * mappings. Someone should fix this for domain 0. For now, use fake serial. | |
1693 | */ | |
1694 | #define early_vga_console early_serial_console | |
1695 | +#define xenboot_console early_serial_console | |
1696 | ||
1697 | #endif | |
1698 | ||
1699 | @@ -261,20 +262,22 @@ static int __init setup_early_printk(cha | |
1700 | } else if (!strncmp(buf, "ttyS", 4)) { | |
1701 | early_serial_init(buf); | |
1702 | early_console = &early_serial_console; | |
1703 | - } else if (!strncmp(buf, "vga", 3) | |
1704 | + } else if (!strncmp(buf, "vga", 3)) { | |
1705 | #ifndef CONFIG_XEN | |
1706 | && SCREEN_INFO.orig_video_isVGA == 1) { | |
1707 | max_xpos = SCREEN_INFO.orig_video_cols; | |
1708 | max_ypos = SCREEN_INFO.orig_video_lines; | |
1709 | current_ypos = SCREEN_INFO.orig_y; | |
1710 | -#else | |
1711 | - || !strncmp(buf, "xen", 3)) { | |
1712 | #endif | |
1713 | early_console = &early_vga_console; | |
1714 | } else if (!strncmp(buf, "simnow", 6)) { | |
1715 | simnow_init(buf + 6); | |
1716 | early_console = &simnow_console; | |
1717 | keep_early = 1; | |
1718 | +#ifdef CONFIG_XEN | |
1719 | + } else if (!strncmp(buf, "xen", 3)) { | |
1720 | + early_console = &xenboot_console; | |
1721 | +#endif | |
1722 | } | |
1723 | ||
1724 | if (keep_early) | |
1725 | Index: head-2008-12-01/arch/x86/kernel/entry_64-xen.S | |
1726 | =================================================================== | |
1727 | --- head-2008-12-01.orig/arch/x86/kernel/entry_64-xen.S 2008-12-01 11:36:13.000000000 +0100 | |
1728 | +++ head-2008-12-01/arch/x86/kernel/entry_64-xen.S 2008-12-01 11:36:47.000000000 +0100 | |
1729 | @@ -310,7 +310,7 @@ sysret_signal: | |
1730 | TRACE_IRQS_ON | |
1731 | /* sti */ | |
1732 | XEN_UNBLOCK_EVENTS(%rsi) | |
1733 | - testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx | |
1734 | + testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx | |
1735 | jz 1f | |
1736 | ||
1737 | /* Really a signal */ | |
1738 | @@ -409,7 +409,7 @@ int_very_careful: | |
1739 | jmp int_restore_rest | |
1740 | ||
1741 | int_signal: | |
1742 | - testl $(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_SINGLESTEP),%edx | |
1743 | + testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx | |
1744 | jz 1f | |
1745 | movq %rsp,%rdi # &ptregs -> arg1 | |
1746 | xorl %esi,%esi # oldset -> arg2 | |
1747 | @@ -552,7 +552,7 @@ retint_careful: | |
1748 | jmp retint_check | |
1749 | ||
1750 | retint_signal: | |
1751 | - testl $(_TIF_SIGPENDING|_TIF_NOTIFY_RESUME|_TIF_SINGLESTEP),%edx | |
1752 | + testl $(_TIF_SIGPENDING|_TIF_SINGLESTEP|_TIF_MCE_NOTIFY),%edx | |
1753 | jz retint_restore_args | |
1754 | TRACE_IRQS_ON | |
1755 | XEN_UNBLOCK_EVENTS(%rsi) | |
1756 | Index: head-2008-12-01/arch/x86/kernel/head_64-xen.S | |
1757 | =================================================================== | |
1758 | --- head-2008-12-01.orig/arch/x86/kernel/head_64-xen.S 2008-12-01 11:36:13.000000000 +0100 | |
1759 | +++ head-2008-12-01/arch/x86/kernel/head_64-xen.S 2008-12-01 11:36:47.000000000 +0100 | |
1760 | @@ -23,7 +23,7 @@ | |
1761 | #include <asm/dwarf2.h> | |
1762 | #include <xen/interface/elfnote.h> | |
1763 | ||
1764 | - .section .bootstrap.text, "ax", @progbits | |
1765 | + .section .text.head, "ax", @progbits | |
1766 | .code64 | |
1767 | .globl startup_64 | |
1768 | startup_64: | |
1769 | @@ -39,7 +39,7 @@ startup_64: | |
1770 | ||
1771 | #define NEXT_PAGE(name) \ | |
1772 | .balign PAGE_SIZE; \ | |
1773 | - phys_##name = . - .bootstrap.text; \ | |
1774 | + phys_##name = . - .text.head; \ | |
1775 | ENTRY(name) | |
1776 | ||
1777 | NEXT_PAGE(init_level4_pgt) | |
1778 | @@ -66,6 +66,12 @@ NEXT_PAGE(level3_user_pgt) | |
1779 | NEXT_PAGE(level2_kernel_pgt) | |
1780 | .fill 512,8,0 | |
1781 | ||
1782 | +NEXT_PAGE(level2_fixmap_pgt) | |
1783 | + .fill 512,8,0 | |
1784 | + | |
1785 | +NEXT_PAGE(level1_fixmap_pgt) | |
1786 | + .fill 512,8,0 | |
1787 | + | |
1788 | NEXT_PAGE(hypercall_page) | |
1789 | CFI_STARTPROC | |
1790 | .rept 0x1000 / 0x20 | |
1791 | @@ -172,18 +178,18 @@ ENTRY(empty_zero_page) | |
1792 | .byte 0 | |
1793 | #endif /* CONFIG_XEN_COMPAT <= 0x030002 */ | |
1794 | ||
1795 | - ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz, "linux") | |
1796 | - ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz, "2.6") | |
1797 | - ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz, "xen-3.0") | |
1798 | - ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .quad, __START_KERNEL_map) | |
1799 | + ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux") | |
1800 | + ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6") | |
1801 | + ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0") | |
1802 | + ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .quad __START_KERNEL_map) | |
1803 | #if CONFIG_XEN_COMPAT <= 0x030002 | |
1804 | - ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .quad, __START_KERNEL_map) | |
1805 | + ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .quad __START_KERNEL_map) | |
1806 | #else | |
1807 | - ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .quad, 0) | |
1808 | + ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, .quad 0) | |
1809 | #endif | |
1810 | - ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .quad, startup_64) | |
1811 | - ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .quad, hypercall_page) | |
1812 | - ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .quad, _PAGE_PRESENT,_PAGE_PRESENT) | |
1813 | - ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz, "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel") | |
1814 | - ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz, "generic") | |
1815 | - ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long, 1) | |
1816 | + ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .quad startup_64) | |
1817 | + ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .quad hypercall_page) | |
1818 | + ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID, .quad _PAGE_PRESENT, _PAGE_PRESENT) | |
1819 | + ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel") | |
1820 | + ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic") | |
1821 | + ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1) | |
1822 | Index: head-2008-12-01/arch/x86/kernel/head64-xen.c | |
1823 | =================================================================== | |
1824 | --- head-2008-12-01.orig/arch/x86/kernel/head64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1825 | +++ head-2008-12-01/arch/x86/kernel/head64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1826 | @@ -90,7 +90,7 @@ void __init x86_64_start_kernel(char * r | |
1827 | unsigned long machine_to_phys_nr_ents; | |
1828 | int i; | |
1829 | ||
1830 | - setup_xen_features(); | |
1831 | + xen_setup_features(); | |
1832 | ||
1833 | xen_start_info = (struct start_info *)real_mode_data; | |
1834 | if (!xen_feature(XENFEAT_auto_translated_physmap)) | |
1835 | Index: head-2008-12-01/arch/x86/kernel/io_apic_64-xen.c | |
1836 | =================================================================== | |
1837 | --- head-2008-12-01.orig/arch/x86/kernel/io_apic_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1838 | +++ head-2008-12-01/arch/x86/kernel/io_apic_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1839 | @@ -165,7 +165,9 @@ static inline void io_apic_write(unsigne | |
1840 | #endif | |
1841 | } | |
1842 | ||
1843 | -#ifndef CONFIG_XEN | |
1844 | +#ifdef CONFIG_XEN | |
1845 | +#define io_apic_modify io_apic_write | |
1846 | +#else | |
1847 | /* | |
1848 | * Re-write a value: to be used for read-modify-write | |
1849 | * cycles where the read already set up the index register. | |
1850 | @@ -175,8 +177,32 @@ static inline void io_apic_modify(unsign | |
1851 | struct io_apic __iomem *io_apic = io_apic_base(apic); | |
1852 | writel(value, &io_apic->data); | |
1853 | } | |
1854 | -#else | |
1855 | -#define io_apic_modify io_apic_write | |
1856 | + | |
1857 | +static int io_apic_level_ack_pending(unsigned int irq) | |
1858 | +{ | |
1859 | + struct irq_pin_list *entry; | |
1860 | + unsigned long flags; | |
1861 | + int pending = 0; | |
1862 | + | |
1863 | + spin_lock_irqsave(&ioapic_lock, flags); | |
1864 | + entry = irq_2_pin + irq; | |
1865 | + for (;;) { | |
1866 | + unsigned int reg; | |
1867 | + int pin; | |
1868 | + | |
1869 | + pin = entry->pin; | |
1870 | + if (pin == -1) | |
1871 | + break; | |
1872 | + reg = io_apic_read(entry->apic, 0x10 + pin*2); | |
1873 | + /* Is the remote IRR bit set? */ | |
1874 | + pending |= (reg >> 14) & 1; | |
1875 | + if (!entry->next) | |
1876 | + break; | |
1877 | + entry = irq_2_pin + entry->next; | |
1878 | + } | |
1879 | + spin_unlock_irqrestore(&ioapic_lock, flags); | |
1880 | + return pending; | |
1881 | +} | |
1882 | #endif | |
1883 | ||
1884 | /* | |
1885 | @@ -406,14 +432,12 @@ static void clear_IO_APIC (void) | |
1886 | int skip_ioapic_setup; | |
1887 | int ioapic_force; | |
1888 | ||
1889 | -/* dummy parsing: see setup.c */ | |
1890 | - | |
1891 | -static int __init disable_ioapic_setup(char *str) | |
1892 | +static int __init parse_noapic(char *str) | |
1893 | { | |
1894 | - skip_ioapic_setup = 1; | |
1895 | + disable_ioapic_setup(); | |
1896 | return 0; | |
1897 | } | |
1898 | -early_param("noapic", disable_ioapic_setup); | |
1899 | +early_param("noapic", parse_noapic); | |
1900 | ||
1901 | /* Actually the next is obsolete, but keep it for paranoid reasons -AK */ | |
1902 | static int __init disable_timer_pin_setup(char *arg) | |
1903 | @@ -765,12 +789,15 @@ static struct irq_chip ioapic_chip; | |
1904 | ||
1905 | static void ioapic_register_intr(int irq, unsigned long trigger) | |
1906 | { | |
1907 | - if (trigger) | |
1908 | + if (trigger) { | |
1909 | + irq_desc[irq].status |= IRQ_LEVEL; | |
1910 | set_irq_chip_and_handler_name(irq, &ioapic_chip, | |
1911 | handle_fasteoi_irq, "fasteoi"); | |
1912 | - else | |
1913 | + } else { | |
1914 | + irq_desc[irq].status &= ~IRQ_LEVEL; | |
1915 | set_irq_chip_and_handler_name(irq, &ioapic_chip, | |
1916 | handle_edge_irq, "edge"); | |
1917 | + } | |
1918 | } | |
1919 | #else | |
1920 | #define ioapic_register_intr(irq, trigger) evtchn_register_pirq(irq) | |
1921 | @@ -1419,9 +1446,37 @@ static void ack_apic_level(unsigned int | |
1922 | ack_APIC_irq(); | |
1923 | ||
1924 | /* Now we can move and renable the irq */ | |
1925 | - move_masked_irq(irq); | |
1926 | - if (unlikely(do_unmask_irq)) | |
1927 | + if (unlikely(do_unmask_irq)) { | |
1928 | + /* Only migrate the irq if the ack has been received. | |
1929 | + * | |
1930 | + * On rare occasions the broadcast level triggered ack gets | |
1931 | + * delayed going to ioapics, and if we reprogram the | |
1932 | + * vector while Remote IRR is still set the irq will never | |
1933 | + * fire again. | |
1934 | + * | |
1935 | + * To prevent this scenario we read the Remote IRR bit | |
1936 | + * of the ioapic. This has two effects. | |
1937 | + * - On any sane system the read of the ioapic will | |
1938 | + * flush writes (and acks) going to the ioapic from | |
1939 | + * this cpu. | |
1940 | + * - We get to see if the ACK has actually been delivered. | |
1941 | + * | |
1942 | + * Based on failed experiments of reprogramming the | |
1943 | + * ioapic entry from outside of irq context starting | |
1944 | + * with masking the ioapic entry and then polling until | |
1945 | + * Remote IRR was clear before reprogramming the | |
1946 | + * ioapic I don't trust the Remote IRR bit to be | |
1947 | + * completey accurate. | |
1948 | + * | |
1949 | + * However there appears to be no other way to plug | |
1950 | + * this race, so if the Remote IRR bit is not | |
1951 | + * accurate and is causing problems then it is a hardware bug | |
1952 | + * and you can go talk to the chipset vendor about it. | |
1953 | + */ | |
1954 | + if (!io_apic_level_ack_pending(irq)) | |
1955 | + move_masked_irq(irq); | |
1956 | unmask_IO_APIC_irq(irq); | |
1957 | + } | |
1958 | } | |
1959 | ||
1960 | static struct irq_chip ioapic_chip __read_mostly = { | |
1961 | Index: head-2008-12-01/arch/x86/kernel/ldt_64-xen.c | |
1962 | =================================================================== | |
1963 | --- head-2008-12-01.orig/arch/x86/kernel/ldt_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1964 | +++ head-2008-12-01/arch/x86/kernel/ldt_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1965 | @@ -114,6 +114,8 @@ int init_new_context(struct task_struct | |
1966 | memset(&mm->context, 0, sizeof(mm->context)); | |
1967 | init_MUTEX(&mm->context.sem); | |
1968 | old_mm = current->mm; | |
1969 | + if (old_mm) | |
1970 | + mm->context.vdso = old_mm->context.vdso; | |
1971 | if (old_mm && old_mm->context.size > 0) { | |
1972 | down(&old_mm->context.sem); | |
1973 | retval = copy_ldt(&mm->context, &old_mm->context); | |
1974 | @@ -146,7 +148,7 @@ void destroy_context(struct mm_struct *m | |
1975 | kfree(mm->context.ldt); | |
1976 | mm->context.size = 0; | |
1977 | } | |
1978 | - if (!mm->context.pinned) { | |
1979 | + if (!PagePinned(virt_to_page(mm->pgd))) { | |
1980 | spin_lock(&mm_unpinned_lock); | |
1981 | list_del(&mm->context.unpinned); | |
1982 | spin_unlock(&mm_unpinned_lock); | |
1983 | Index: head-2008-12-01/arch/x86/kernel/mpparse_64-xen.c | |
1984 | =================================================================== | |
1985 | --- head-2008-12-01.orig/arch/x86/kernel/mpparse_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
1986 | +++ head-2008-12-01/arch/x86/kernel/mpparse_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
1987 | @@ -32,7 +32,6 @@ | |
1988 | ||
1989 | /* Have we found an MP table */ | |
1990 | int smp_found_config; | |
1991 | -unsigned int __initdata maxcpus = NR_CPUS; | |
1992 | ||
1993 | /* | |
1994 | * Various Linux-internal data structures created from the | |
1995 | @@ -657,6 +656,20 @@ static int mp_find_ioapic(int gsi) | |
1996 | return -1; | |
1997 | } | |
1998 | ||
1999 | +static u8 uniq_ioapic_id(u8 id) | |
2000 | +{ | |
2001 | + int i; | |
2002 | + DECLARE_BITMAP(used, 256); | |
2003 | + bitmap_zero(used, 256); | |
2004 | + for (i = 0; i < nr_ioapics; i++) { | |
2005 | + struct mpc_config_ioapic *ia = &mp_ioapics[i]; | |
2006 | + __set_bit(ia->mpc_apicid, used); | |
2007 | + } | |
2008 | + if (!test_bit(id, used)) | |
2009 | + return id; | |
2010 | + return find_first_zero_bit(used, 256); | |
2011 | +} | |
2012 | + | |
2013 | void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base) | |
2014 | { | |
2015 | int idx = 0; | |
2016 | @@ -664,7 +677,7 @@ void __init mp_register_ioapic(u8 id, u3 | |
2017 | if (bad_ioapic(address)) | |
2018 | return; | |
2019 | ||
2020 | - idx = nr_ioapics++; | |
2021 | + idx = nr_ioapics; | |
2022 | ||
2023 | mp_ioapics[idx].mpc_type = MP_IOAPIC; | |
2024 | mp_ioapics[idx].mpc_flags = MPC_APIC_USABLE; | |
2025 | @@ -673,7 +686,7 @@ void __init mp_register_ioapic(u8 id, u3 | |
2026 | #ifndef CONFIG_XEN | |
2027 | set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address); | |
2028 | #endif | |
2029 | - mp_ioapics[idx].mpc_apicid = id; | |
2030 | + mp_ioapics[idx].mpc_apicid = uniq_ioapic_id(id); | |
2031 | mp_ioapics[idx].mpc_apicver = 0; | |
2032 | ||
2033 | /* | |
2034 | @@ -690,6 +703,8 @@ void __init mp_register_ioapic(u8 id, u3 | |
2035 | mp_ioapics[idx].mpc_apicaddr, | |
2036 | mp_ioapic_routing[idx].gsi_start, | |
2037 | mp_ioapic_routing[idx].gsi_end); | |
2038 | + | |
2039 | + nr_ioapics++; | |
2040 | } | |
2041 | ||
2042 | void __init | |
2043 | Index: head-2008-12-01/arch/x86/kernel/process_64-xen.c | |
2044 | =================================================================== | |
2045 | --- head-2008-12-01.orig/arch/x86/kernel/process_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2046 | +++ head-2008-12-01/arch/x86/kernel/process_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2047 | @@ -26,6 +26,7 @@ | |
2048 | #include <linux/sched.h> | |
2049 | #include <linux/kernel.h> | |
2050 | #include <linux/mm.h> | |
2051 | +#include <linux/fs.h> | |
2052 | #include <linux/elfcore.h> | |
2053 | #include <linux/smp.h> | |
2054 | #include <linux/slab.h> | |
2055 | @@ -249,6 +250,7 @@ early_param("idle", idle_setup); | |
2056 | void __show_regs(struct pt_regs * regs) | |
2057 | { | |
2058 | unsigned long fs, gs, shadowgs; | |
2059 | + unsigned long d0, d1, d2, d3, d6, d7; | |
2060 | unsigned int fsindex,gsindex; | |
2061 | unsigned int ds,cs,es; | |
2062 | ||
2063 | @@ -288,6 +290,14 @@ void __show_regs(struct pt_regs * regs) | |
2064 | fs,fsindex,gs,gsindex,shadowgs); | |
2065 | printk("CS: %04x DS: %04x ES: %04x\n", cs, ds, es); | |
2066 | ||
2067 | + get_debugreg(d0, 0); | |
2068 | + get_debugreg(d1, 1); | |
2069 | + get_debugreg(d2, 2); | |
2070 | + printk("DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2); | |
2071 | + get_debugreg(d3, 3); | |
2072 | + get_debugreg(d6, 6); | |
2073 | + get_debugreg(d7, 7); | |
2074 | + printk("DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7); | |
2075 | } | |
2076 | ||
2077 | void show_regs(struct pt_regs *regs) | |
2078 | Index: head-2008-12-01/arch/x86/kernel/setup_64-xen.c | |
2079 | =================================================================== | |
2080 | --- head-2008-12-01.orig/arch/x86/kernel/setup_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2081 | +++ head-2008-12-01/arch/x86/kernel/setup_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2082 | @@ -827,6 +827,8 @@ static void __cpuinit init_amd(struct cp | |
2083 | level = cpuid_eax(1); | |
2084 | if (c->x86 == 15 && ((level >= 0x0f48 && level < 0x0f50) || level >= 0x0f58)) | |
2085 | set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); | |
2086 | + if (c->x86 == 0x10) | |
2087 | + set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability); | |
2088 | ||
2089 | /* Enable workaround for FXSAVE leak */ | |
2090 | if (c->x86 >= 6) | |
2091 | @@ -852,8 +854,14 @@ static void __cpuinit init_amd(struct cp | |
2092 | if (c->extended_cpuid_level >= 0x80000008) | |
2093 | amd_detect_cmp(c); | |
2094 | ||
2095 | - /* Fix cpuid4 emulation for more */ | |
2096 | - num_cache_leaves = 3; | |
2097 | + if (c->extended_cpuid_level >= 0x80000006 && | |
2098 | + (cpuid_edx(0x80000006) & 0xf000)) | |
2099 | + num_cache_leaves = 4; | |
2100 | + else | |
2101 | + num_cache_leaves = 3; | |
2102 | + | |
2103 | + if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x11) | |
2104 | + set_bit(X86_FEATURE_K8, &c->x86_capability); | |
2105 | ||
2106 | /* RDTSC can be speculated around */ | |
2107 | clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability); | |
2108 | @@ -1098,6 +1106,8 @@ void __cpuinit identify_cpu(struct cpuin | |
2109 | c->x86_capability[2] = cpuid_edx(0x80860001); | |
2110 | } | |
2111 | ||
2112 | + init_scattered_cpuid_features(c); | |
2113 | + | |
2114 | c->apicid = phys_pkg_id(0); | |
2115 | ||
2116 | /* | |
2117 | @@ -1183,7 +1193,7 @@ static int show_cpuinfo(struct seq_file | |
2118 | "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce", | |
2119 | "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov", | |
2120 | "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx", | |
2121 | - "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", NULL, | |
2122 | + "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe", | |
2123 | ||
2124 | /* AMD-defined */ | |
2125 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2126 | @@ -1199,10 +1209,11 @@ static int show_cpuinfo(struct seq_file | |
2127 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2128 | ||
2129 | /* Other (Linux-defined) */ | |
2130 | - "cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL, | |
2131 | - "constant_tsc", NULL, NULL, | |
2132 | - "up", NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2133 | - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2134 | + "cxmmx", "k6_mtrr", "cyrix_arr", "centaur_mcr", | |
2135 | + NULL, NULL, NULL, NULL, | |
2136 | + "constant_tsc", "up", NULL, "arch_perfmon", | |
2137 | + "pebs", "bts", NULL, "sync_rdtsc", | |
2138 | + "rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2139 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2140 | ||
2141 | /* Intel-defined (#2) */ | |
2142 | @@ -1213,7 +1224,7 @@ static int show_cpuinfo(struct seq_file | |
2143 | ||
2144 | /* VIA/Cyrix/Centaur-defined */ | |
2145 | NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en", | |
2146 | - NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2147 | + "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL, | |
2148 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2149 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2150 | ||
2151 | @@ -1224,6 +1235,12 @@ static int show_cpuinfo(struct seq_file | |
2152 | "osvw", "ibs", NULL, NULL, NULL, NULL, | |
2153 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2154 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2155 | + | |
2156 | + /* Auxiliary (Linux-defined) */ | |
2157 | + "ida", NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2158 | + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2159 | + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2160 | + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
2161 | }; | |
2162 | static char *x86_power_flags[] = { | |
2163 | "ts", /* temperature sensor */ | |
2164 | Index: head-2008-12-01/arch/x86/kernel/setup64-xen.c | |
2165 | =================================================================== | |
2166 | --- head-2008-12-01.orig/arch/x86/kernel/setup64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2167 | +++ head-2008-12-01/arch/x86/kernel/setup64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2168 | @@ -125,11 +125,14 @@ void __init setup_per_cpu_areas(void) | |
2169 | } | |
2170 | ||
2171 | #ifdef CONFIG_XEN | |
2172 | -static void switch_pt(void) | |
2173 | +static void __init_refok switch_pt(int cpu) | |
2174 | { | |
2175 | + if (cpu == 0) | |
2176 | + xen_init_pt(); | |
2177 | xen_pt_switch(__pa_symbol(init_level4_pgt)); | |
2178 | xen_new_user_pt(__pa_symbol(__user_pgd(init_level4_pgt))); | |
2179 | } | |
2180 | +#define switch_pt() switch_pt(cpu) | |
2181 | ||
2182 | static void __cpuinit cpu_gdt_init(const struct desc_ptr *gdt_descr) | |
2183 | { | |
2184 | @@ -185,9 +188,6 @@ void pda_init(int cpu) | |
2185 | pda->mmu_state = 0; | |
2186 | ||
2187 | if (cpu == 0) { | |
2188 | -#ifdef CONFIG_XEN | |
2189 | - xen_init_pt(); | |
2190 | -#endif | |
2191 | /* others are initialized in smpboot.c */ | |
2192 | pda->pcurrent = &init_task; | |
2193 | pda->irqstackptr = boot_cpu_stack; | |
2194 | Index: head-2008-12-01/arch/x86/kernel/smp_64-xen.c | |
2195 | =================================================================== | |
2196 | --- head-2008-12-01.orig/arch/x86/kernel/smp_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2197 | +++ head-2008-12-01/arch/x86/kernel/smp_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2198 | @@ -362,7 +362,7 @@ __smp_call_function_single(int cpu, void | |
2199 | } | |
2200 | ||
2201 | /* | |
2202 | - * smp_call_function_single - Run a function on another CPU | |
2203 | + * smp_call_function_single - Run a function on a specific CPU | |
2204 | * @func: The function to run. This must be fast and non-blocking. | |
2205 | * @info: An arbitrary pointer to pass to the function. | |
2206 | * @nonatomic: Currently unused. | |
2207 | @@ -379,17 +379,21 @@ int smp_call_function_single (int cpu, v | |
2208 | { | |
2209 | /* prevent preemption and reschedule on another processor */ | |
2210 | int me = get_cpu(); | |
2211 | + | |
2212 | + /* Can deadlock when called with interrupts disabled */ | |
2213 | + WARN_ON(irqs_disabled()); | |
2214 | + | |
2215 | if (cpu == me) { | |
2216 | + local_irq_disable(); | |
2217 | + func(info); | |
2218 | + local_irq_enable(); | |
2219 | put_cpu(); | |
2220 | return 0; | |
2221 | } | |
2222 | ||
2223 | - /* Can deadlock when called with interrupts disabled */ | |
2224 | - WARN_ON(irqs_disabled()); | |
2225 | - | |
2226 | - spin_lock_bh(&call_lock); | |
2227 | + spin_lock(&call_lock); | |
2228 | __smp_call_function_single(cpu, func, info, nonatomic, wait); | |
2229 | - spin_unlock_bh(&call_lock); | |
2230 | + spin_unlock(&call_lock); | |
2231 | put_cpu(); | |
2232 | return 0; | |
2233 | } | |
2234 | Index: head-2008-12-01/arch/x86/kernel/traps_64-xen.c | |
2235 | =================================================================== | |
2236 | --- head-2008-12-01.orig/arch/x86/kernel/traps_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2237 | +++ head-2008-12-01/arch/x86/kernel/traps_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2238 | @@ -34,6 +34,10 @@ | |
2239 | #include <linux/bug.h> | |
2240 | #include <linux/kdebug.h> | |
2241 | ||
2242 | +#if defined(CONFIG_EDAC) | |
2243 | +#include <linux/edac.h> | |
2244 | +#endif | |
2245 | + | |
2246 | #include <asm/system.h> | |
2247 | #include <asm/io.h> | |
2248 | #include <asm/atomic.h> | |
2249 | @@ -332,6 +336,7 @@ static int print_trace_stack(void *data, | |
2250 | ||
2251 | static void print_trace_address(void *data, unsigned long addr) | |
2252 | { | |
2253 | + touch_nmi_watchdog(); | |
2254 | printk_address(addr); | |
2255 | } | |
2256 | ||
2257 | @@ -520,6 +525,7 @@ void __kprobes __die(const char * str, s | |
2258 | printk("\n"); | |
2259 | notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV); | |
2260 | show_registers(regs); | |
2261 | + add_taint(TAINT_DIE); | |
2262 | /* Executive summary in case the oops scrolled away */ | |
2263 | printk(KERN_ALERT "RIP "); | |
2264 | printk_address(regs->rip); | |
2265 | @@ -533,7 +539,7 @@ void die(const char * str, struct pt_reg | |
2266 | unsigned long flags = oops_begin(); | |
2267 | ||
2268 | if (!user_mode(regs)) | |
2269 | - report_bug(regs->rip); | |
2270 | + report_bug(regs->rip, regs); | |
2271 | ||
2272 | __die(str, regs, err); | |
2273 | oops_end(flags); | |
2274 | @@ -582,7 +588,8 @@ static void __kprobes do_trap(int trapnr | |
2275 | tsk->thread.error_code = error_code; | |
2276 | tsk->thread.trap_no = trapnr; | |
2277 | ||
2278 | - if (exception_trace && unhandled_signal(tsk, signr)) | |
2279 | + if (show_unhandled_signals && unhandled_signal(tsk, signr) && | |
2280 | + printk_ratelimit()) | |
2281 | printk(KERN_INFO | |
2282 | "%s[%d] trap %s rip:%lx rsp:%lx error:%lx\n", | |
2283 | tsk->comm, tsk->pid, str, | |
2284 | @@ -686,7 +693,8 @@ asmlinkage void __kprobes do_general_pro | |
2285 | tsk->thread.error_code = error_code; | |
2286 | tsk->thread.trap_no = 13; | |
2287 | ||
2288 | - if (exception_trace && unhandled_signal(tsk, SIGSEGV)) | |
2289 | + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && | |
2290 | + printk_ratelimit()) | |
2291 | printk(KERN_INFO | |
2292 | "%s[%d] general protection rip:%lx rsp:%lx error:%lx\n", | |
2293 | tsk->comm, tsk->pid, | |
2294 | @@ -721,6 +729,13 @@ mem_parity_error(unsigned char reason, s | |
2295 | reason); | |
2296 | printk(KERN_EMERG "You have some hardware problem, likely on the PCI bus.\n"); | |
2297 | ||
2298 | +#if defined(CONFIG_EDAC) | |
2299 | + if(edac_handler_set()) { | |
2300 | + edac_atomic_assert_error(); | |
2301 | + return; | |
2302 | + } | |
2303 | +#endif | |
2304 | + | |
2305 | if (panic_on_unrecovered_nmi) | |
2306 | panic("NMI: Not continuing"); | |
2307 | ||
2308 | Index: head-2008-12-01/arch/x86/kernel/vsyscall_64-xen.c | |
2309 | =================================================================== | |
2310 | --- head-2008-12-01.orig/arch/x86/kernel/vsyscall_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2311 | +++ head-2008-12-01/arch/x86/kernel/vsyscall_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2312 | @@ -42,6 +42,7 @@ | |
2313 | #include <asm/segment.h> | |
2314 | #include <asm/desc.h> | |
2315 | #include <asm/topology.h> | |
2316 | +#include <asm/vgtod.h> | |
2317 | ||
2318 | #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr))) | |
2319 | #define __syscall_clobber "r11","rcx","memory" | |
2320 | @@ -57,26 +58,9 @@ | |
2321 | * - writen by timer interrupt or systcl (/proc/sys/kernel/vsyscall64) | |
2322 | * Try to keep this structure as small as possible to avoid cache line ping pongs | |
2323 | */ | |
2324 | -struct vsyscall_gtod_data_t { | |
2325 | - seqlock_t lock; | |
2326 | - | |
2327 | - /* open coded 'struct timespec' */ | |
2328 | - time_t wall_time_sec; | |
2329 | - u32 wall_time_nsec; | |
2330 | - | |
2331 | - int sysctl_enabled; | |
2332 | - struct timezone sys_tz; | |
2333 | - struct { /* extract of a clocksource struct */ | |
2334 | - cycle_t (*vread)(void); | |
2335 | - cycle_t cycle_last; | |
2336 | - cycle_t mask; | |
2337 | - u32 mult; | |
2338 | - u32 shift; | |
2339 | - } clock; | |
2340 | -}; | |
2341 | int __vgetcpu_mode __section_vgetcpu_mode; | |
2342 | ||
2343 | -struct vsyscall_gtod_data_t __vsyscall_gtod_data __section_vsyscall_gtod_data = | |
2344 | +struct vsyscall_gtod_data __vsyscall_gtod_data __section_vsyscall_gtod_data = | |
2345 | { | |
2346 | .lock = SEQLOCK_UNLOCKED, | |
2347 | .sysctl_enabled = 1, | |
2348 | @@ -96,6 +80,8 @@ void update_vsyscall(struct timespec *wa | |
2349 | vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; | |
2350 | vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; | |
2351 | vsyscall_gtod_data.sys_tz = sys_tz; | |
2352 | + vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; | |
2353 | + vsyscall_gtod_data.wall_to_monotonic = wall_to_monotonic; | |
2354 | write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); | |
2355 | } | |
2356 | ||
2357 | Index: head-2008-12-01/arch/x86/mm/fault_64-xen.c | |
2358 | =================================================================== | |
2359 | --- head-2008-12-01.orig/arch/x86/mm/fault_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2360 | +++ head-2008-12-01/arch/x86/mm/fault_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2361 | @@ -159,7 +159,9 @@ void dump_pagetable(unsigned long addres | |
2362 | pmd_t *pmd; | |
2363 | pte_t *pte; | |
2364 | ||
2365 | - pgd = __va(read_cr3() & PHYSICAL_PAGE_MASK); | |
2366 | + pgd = (pgd_t *)read_cr3(); | |
2367 | + | |
2368 | + pgd = __va((unsigned long)pgd & PHYSICAL_PAGE_MASK); | |
2369 | pgd += pgd_index(address); | |
2370 | if (bad_address(pgd)) goto bad; | |
2371 | printk("PGD %lx ", pgd_val(*pgd)); | |
2372 | @@ -219,16 +221,6 @@ static int is_errata93(struct pt_regs *r | |
2373 | return 0; | |
2374 | } | |
2375 | ||
2376 | -int unhandled_signal(struct task_struct *tsk, int sig) | |
2377 | -{ | |
2378 | - if (is_init(tsk)) | |
2379 | - return 1; | |
2380 | - if (tsk->ptrace & PT_PTRACED) | |
2381 | - return 0; | |
2382 | - return (tsk->sighand->action[sig-1].sa.sa_handler == SIG_IGN) || | |
2383 | - (tsk->sighand->action[sig-1].sa.sa_handler == SIG_DFL); | |
2384 | -} | |
2385 | - | |
2386 | static noinline void pgtable_bad(unsigned long address, struct pt_regs *regs, | |
2387 | unsigned long error_code) | |
2388 | { | |
2389 | @@ -302,8 +294,8 @@ static int vmalloc_fault(unsigned long a | |
2390 | return 0; | |
2391 | } | |
2392 | ||
2393 | -int page_fault_trace = 0; | |
2394 | -int exception_trace = 1; | |
2395 | +static int page_fault_trace; | |
2396 | +int show_unhandled_signals = 1; | |
2397 | ||
2398 | ||
2399 | #define MEM_VERBOSE 1 | |
2400 | @@ -372,7 +364,7 @@ asmlinkage void __kprobes do_page_fault( | |
2401 | struct vm_area_struct * vma; | |
2402 | unsigned long address; | |
2403 | const struct exception_table_entry *fixup; | |
2404 | - int write; | |
2405 | + int write, fault; | |
2406 | unsigned long flags; | |
2407 | siginfo_t info; | |
2408 | ||
2409 | @@ -384,7 +376,7 @@ asmlinkage void __kprobes do_page_fault( | |
2410 | prefetchw(&mm->mmap_sem); | |
2411 | ||
2412 | /* get the address */ | |
2413 | - address = current_vcpu_info()->arch.cr2; | |
2414 | + address = read_cr2(); | |
2415 | ||
2416 | info.si_code = SEGV_MAPERR; | |
2417 | ||
2418 | @@ -445,6 +437,13 @@ asmlinkage void __kprobes do_page_fault( | |
2419 | if (unlikely(in_atomic() || !mm)) | |
2420 | goto bad_area_nosemaphore; | |
2421 | ||
2422 | + /* | |
2423 | + * User-mode registers count as a user access even for any | |
2424 | + * potential system fault or CPU buglet. | |
2425 | + */ | |
2426 | + if (user_mode_vm(regs)) | |
2427 | + error_code |= PF_USER; | |
2428 | + | |
2429 | again: | |
2430 | /* When running in the kernel we expect faults to occur only to | |
2431 | * addresses in user space. All other faults represent errors in the | |
2432 | @@ -511,19 +510,18 @@ good_area: | |
2433 | * make sure we exit gracefully rather than endlessly redo | |
2434 | * the fault. | |
2435 | */ | |
2436 | - switch (handle_mm_fault(mm, vma, address, write)) { | |
2437 | - case VM_FAULT_MINOR: | |
2438 | - tsk->min_flt++; | |
2439 | - break; | |
2440 | - case VM_FAULT_MAJOR: | |
2441 | - tsk->maj_flt++; | |
2442 | - break; | |
2443 | - case VM_FAULT_SIGBUS: | |
2444 | - goto do_sigbus; | |
2445 | - default: | |
2446 | - goto out_of_memory; | |
2447 | + fault = handle_mm_fault(mm, vma, address, write); | |
2448 | + if (unlikely(fault & VM_FAULT_ERROR)) { | |
2449 | + if (fault & VM_FAULT_OOM) | |
2450 | + goto out_of_memory; | |
2451 | + else if (fault & VM_FAULT_SIGBUS) | |
2452 | + goto do_sigbus; | |
2453 | + BUG(); | |
2454 | } | |
2455 | - | |
2456 | + if (fault & VM_FAULT_MAJOR) | |
2457 | + tsk->maj_flt++; | |
2458 | + else | |
2459 | + tsk->min_flt++; | |
2460 | up_read(&mm->mmap_sem); | |
2461 | return; | |
2462 | ||
2463 | @@ -556,7 +554,8 @@ bad_area_nosemaphore: | |
2464 | (address >> 32)) | |
2465 | return; | |
2466 | ||
2467 | - if (exception_trace && unhandled_signal(tsk, SIGSEGV)) { | |
2468 | + if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && | |
2469 | + printk_ratelimit()) { | |
2470 | printk( | |
2471 | "%s%s[%d]: segfault at %016lx rip %016lx rsp %016lx error %lx\n", | |
2472 | tsk->pid > 1 ? KERN_INFO : KERN_EMERG, | |
2473 | @@ -630,7 +629,7 @@ out_of_memory: | |
2474 | } | |
2475 | printk("VM: killing process %s\n", tsk->comm); | |
2476 | if (error_code & 4) | |
2477 | - do_exit(SIGKILL); | |
2478 | + do_group_exit(SIGKILL); | |
2479 | goto no_context; | |
2480 | ||
2481 | do_sigbus: | |
2482 | Index: head-2008-12-01/arch/x86/mm/init_64-xen.c | |
2483 | =================================================================== | |
2484 | --- head-2008-12-01.orig/arch/x86/mm/init_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2485 | +++ head-2008-12-01/arch/x86/mm/init_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2486 | @@ -66,6 +66,9 @@ int after_bootmem; | |
2487 | DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); | |
2488 | extern unsigned long start_pfn; | |
2489 | ||
2490 | +extern pmd_t level2_fixmap_pgt[PTRS_PER_PMD]; | |
2491 | +extern pte_t level1_fixmap_pgt[PTRS_PER_PTE]; | |
2492 | + | |
2493 | /* | |
2494 | * Use this until direct mapping is established, i.e. before __va() is | |
2495 | * available in init_memory_mapping(). | |
2496 | @@ -362,6 +365,10 @@ __set_fixmap (enum fixed_addresses idx, | |
2497 | set_pte_phys(address, phys, prot, 0); | |
2498 | set_pte_phys(address, phys, prot, 1); | |
2499 | break; | |
2500 | + case FIX_EARLYCON_MEM_BASE: | |
2501 | + xen_l1_entry_update(level1_fixmap_pgt + pte_index(address), | |
2502 | + pfn_pte_ma(phys >> PAGE_SHIFT, prot)); | |
2503 | + break; | |
2504 | default: | |
2505 | set_pte_phys_ma(address, phys, prot); | |
2506 | break; | |
2507 | @@ -594,6 +601,13 @@ void __init xen_init_pt(void) | |
2508 | __user_pgd(init_level4_pgt)[pgd_index(VSYSCALL_START)] = | |
2509 | __pgd(__pa_symbol(level3_user_pgt) | _PAGE_TABLE); | |
2510 | ||
2511 | + /* Do an early initialization of the fixmap area. */ | |
2512 | + addr = __fix_to_virt(FIX_EARLYCON_MEM_BASE); | |
2513 | + level3_kernel_pgt[pud_index(addr)] = | |
2514 | + __pud(__pa_symbol(level2_fixmap_pgt) | _PAGE_TABLE); | |
2515 | + level2_fixmap_pgt[pmd_index(addr)] = | |
2516 | + __pmd(__pa_symbol(level1_fixmap_pgt) | _PAGE_TABLE); | |
2517 | + | |
2518 | early_make_page_readonly(init_level4_pgt, | |
2519 | XENFEAT_writable_page_tables); | |
2520 | early_make_page_readonly(__user_pgd(init_level4_pgt), | |
2521 | @@ -604,6 +618,10 @@ void __init xen_init_pt(void) | |
2522 | XENFEAT_writable_page_tables); | |
2523 | early_make_page_readonly(level2_kernel_pgt, | |
2524 | XENFEAT_writable_page_tables); | |
2525 | + early_make_page_readonly(level2_fixmap_pgt, | |
2526 | + XENFEAT_writable_page_tables); | |
2527 | + early_make_page_readonly(level1_fixmap_pgt, | |
2528 | + XENFEAT_writable_page_tables); | |
2529 | ||
2530 | if (!xen_feature(XENFEAT_writable_page_tables)) { | |
2531 | xen_pgd_pin(__pa_symbol(init_level4_pgt)); | |
2532 | @@ -807,7 +825,7 @@ void __init paging_init(void) | |
2533 | sparse_init(); | |
2534 | free_area_init_nodes(max_zone_pfns); | |
2535 | ||
2536 | - init_mm.context.pinned = 1; | |
2537 | + SetPagePinned(virt_to_page(init_mm.pgd)); | |
2538 | } | |
2539 | #endif | |
2540 | ||
2541 | @@ -1120,41 +1138,6 @@ int kern_addr_valid(unsigned long addr) | |
2542 | return pfn_valid(pte_pfn(*pte)); | |
2543 | } | |
2544 | ||
2545 | -#ifdef CONFIG_SYSCTL | |
2546 | -#include <linux/sysctl.h> | |
2547 | - | |
2548 | -extern int exception_trace, page_fault_trace; | |
2549 | - | |
2550 | -static ctl_table debug_table2[] = { | |
2551 | - { | |
2552 | - .ctl_name = 99, | |
2553 | - .procname = "exception-trace", | |
2554 | - .data = &exception_trace, | |
2555 | - .maxlen = sizeof(int), | |
2556 | - .mode = 0644, | |
2557 | - .proc_handler = proc_dointvec | |
2558 | - }, | |
2559 | - {} | |
2560 | -}; | |
2561 | - | |
2562 | -static ctl_table debug_root_table2[] = { | |
2563 | - { | |
2564 | - .ctl_name = CTL_DEBUG, | |
2565 | - .procname = "debug", | |
2566 | - .mode = 0555, | |
2567 | - .child = debug_table2 | |
2568 | - }, | |
2569 | - {} | |
2570 | -}; | |
2571 | - | |
2572 | -static __init int x8664_sysctl_init(void) | |
2573 | -{ | |
2574 | - register_sysctl_table(debug_root_table2); | |
2575 | - return 0; | |
2576 | -} | |
2577 | -__initcall(x8664_sysctl_init); | |
2578 | -#endif | |
2579 | - | |
2580 | /* A pseudo VMA to allow ptrace access for the vsyscall page. This only | |
2581 | covers the 64bit vsyscall page now. 32bit has a real VMA now and does | |
2582 | not need special handling anymore. */ | |
2583 | @@ -1193,9 +1176,18 @@ int in_gate_area_no_task(unsigned long a | |
2584 | } | |
2585 | ||
2586 | #ifndef CONFIG_XEN | |
2587 | -void *alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) | |
2588 | +void * __init alloc_bootmem_high_node(pg_data_t *pgdat, unsigned long size) | |
2589 | { | |
2590 | return __alloc_bootmem_core(pgdat->bdata, size, | |
2591 | SMP_CACHE_BYTES, (4UL*1024*1024*1024), 0); | |
2592 | } | |
2593 | #endif | |
2594 | + | |
2595 | +const char *arch_vma_name(struct vm_area_struct *vma) | |
2596 | +{ | |
2597 | + if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) | |
2598 | + return "[vdso]"; | |
2599 | + if (vma == &gate_vma) | |
2600 | + return "[vsyscall]"; | |
2601 | + return NULL; | |
2602 | +} | |
2603 | Index: head-2008-12-01/arch/x86/mm/pageattr_64-xen.c | |
2604 | =================================================================== | |
2605 | --- head-2008-12-01.orig/arch/x86/mm/pageattr_64-xen.c 2008-12-01 11:36:13.000000000 +0100 | |
2606 | +++ head-2008-12-01/arch/x86/mm/pageattr_64-xen.c 2008-12-01 11:36:47.000000000 +0100 | |
2607 | @@ -171,7 +171,7 @@ void mm_pin(struct mm_struct *mm) | |
2608 | mm_walk(mm, PAGE_KERNEL_RO); | |
2609 | xen_pgd_pin(__pa(mm->pgd)); /* kernel */ | |
2610 | xen_pgd_pin(__pa(__user_pgd(mm->pgd))); /* user */ | |
2611 | - mm->context.pinned = 1; | |
2612 | + SetPagePinned(virt_to_page(mm->pgd)); | |
2613 | spin_lock(&mm_unpinned_lock); | |
2614 | list_del(&mm->context.unpinned); | |
2615 | spin_unlock(&mm_unpinned_lock); | |
2616 | @@ -189,7 +189,7 @@ void mm_unpin(struct mm_struct *mm) | |
2617 | xen_pgd_unpin(__pa(mm->pgd)); | |
2618 | xen_pgd_unpin(__pa(__user_pgd(mm->pgd))); | |
2619 | mm_walk(mm, PAGE_KERNEL); | |
2620 | - mm->context.pinned = 0; | |
2621 | + ClearPagePinned(virt_to_page(mm->pgd)); | |
2622 | spin_lock(&mm_unpinned_lock); | |
2623 | list_add(&mm->context.unpinned, &mm_unpinned); | |
2624 | spin_unlock(&mm_unpinned_lock); | |
2625 | @@ -217,7 +217,7 @@ void mm_pin_all(void) | |
2626 | ||
2627 | void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm) | |
2628 | { | |
2629 | - if (!mm->context.pinned) | |
2630 | + if (!PagePinned(virt_to_page(mm->pgd))) | |
2631 | mm_pin(mm); | |
2632 | } | |
2633 | ||
2634 | @@ -243,8 +243,9 @@ void arch_exit_mmap(struct mm_struct *mm | |
2635 | ||
2636 | task_unlock(tsk); | |
2637 | ||
2638 | - if ( mm->context.pinned && (atomic_read(&mm->mm_count) == 1) && | |
2639 | - !mm->context.has_foreign_mappings ) | |
2640 | + if (PagePinned(virt_to_page(mm->pgd)) | |
2641 | + && (atomic_read(&mm->mm_count) == 1) | |
2642 | + && !mm->context.has_foreign_mappings) | |
2643 | mm_unpin(mm); | |
2644 | } | |
2645 | ||
2646 | @@ -343,14 +344,13 @@ static void flush_kernel_map(void *arg) | |
2647 | struct page *pg; | |
2648 | ||
2649 | /* When clflush is available always use it because it is | |
2650 | - much cheaper than WBINVD. Disable clflush for now because | |
2651 | - the high level code is not ready yet */ | |
2652 | + much cheaper than WBINVD. */ | |
2653 | + /* clflush is still broken. Disable for now. */ | |
2654 | if (1 || !cpu_has_clflush) | |
2655 | asm volatile("wbinvd" ::: "memory"); | |
2656 | else list_for_each_entry(pg, l, lru) { | |
2657 | void *adr = page_address(pg); | |
2658 | - if (cpu_has_clflush) | |
2659 | - cache_flush_page(adr); | |
2660 | + cache_flush_page(adr); | |
2661 | } | |
2662 | __flush_tlb_all(); | |
2663 | } | |
2664 | @@ -364,7 +364,8 @@ static LIST_HEAD(deferred_pages); /* pro | |
2665 | ||
2666 | static inline void save_page(struct page *fpage) | |
2667 | { | |
2668 | - list_add(&fpage->lru, &deferred_pages); | |
2669 | + if (!test_and_set_bit(PG_arch_1, &fpage->flags)) | |
2670 | + list_add(&fpage->lru, &deferred_pages); | |
2671 | } | |
2672 | ||
2673 | /* | |
2674 | @@ -398,9 +399,12 @@ __change_page_attr(unsigned long address | |
2675 | pte_t *kpte; | |
2676 | struct page *kpte_page; | |
2677 | pgprot_t ref_prot2; | |
2678 | + | |
2679 | kpte = lookup_address(address); | |
2680 | if (!kpte) return 0; | |
2681 | kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); | |
2682 | + BUG_ON(PageLRU(kpte_page)); | |
2683 | + BUG_ON(PageCompound(kpte_page)); | |
2684 | if (pgprot_val(prot) != pgprot_val(ref_prot)) { | |
2685 | if (!pte_huge(*kpte)) { | |
2686 | set_pte(kpte, pfn_pte(pfn, prot)); | |
2687 | @@ -439,10 +443,9 @@ __change_page_attr(unsigned long address | |
2688 | return 0; | |
2689 | #endif | |
2690 | ||
2691 | - if (page_private(kpte_page) == 0) { | |
2692 | - save_page(kpte_page); | |
2693 | + save_page(kpte_page); | |
2694 | + if (page_private(kpte_page) == 0) | |
2695 | revert_page(address, ref_prot); | |
2696 | - } | |
2697 | return 0; | |
2698 | } | |
2699 | ||
2700 | @@ -514,6 +517,10 @@ void global_flush_tlb(void) | |
2701 | flush_map(&l); | |
2702 | ||
2703 | list_for_each_entry_safe(pg, next, &l, lru) { | |
2704 | + list_del(&pg->lru); | |
2705 | + clear_bit(PG_arch_1, &pg->flags); | |
2706 | + if (page_private(pg) != 0) | |
2707 | + continue; | |
2708 | ClearPagePrivate(pg); | |
2709 | __free_page(pg); | |
2710 | } | |
2711 | Index: head-2008-12-01/arch/x86/vdso/vdso32/note.S | |
2712 | =================================================================== | |
2713 | --- head-2008-12-01.orig/arch/x86/vdso/vdso32/note.S 2008-12-01 10:53:14.000000000 +0100 | |
2714 | +++ head-2008-12-01/arch/x86/vdso/vdso32/note.S 2008-12-01 11:36:47.000000000 +0100 | |
2715 | @@ -13,7 +13,7 @@ ELFNOTE_START(Linux, 0, "a") | |
2716 | .long LINUX_VERSION_CODE | |
2717 | ELFNOTE_END | |
2718 | ||
2719 | -#ifdef CONFIG_XEN | |
2720 | +#if defined(CONFIG_X86_XEN) || defined(CONFIG_PARAVIRT_XEN) | |
2721 | /* | |
2722 | * Add a special note telling glibc's dynamic linker a fake hardware | |
2723 | * flavor that it will use to choose the search path for libraries in the | |
2724 | @@ -37,8 +37,12 @@ ELFNOTE_END | |
2725 | ||
2726 | ELFNOTE_START(GNU, 2, "a") | |
2727 | .long 1 /* ncaps */ | |
2728 | +#ifdef CONFIG_PARAVIRT_XEN | |
2729 | VDSO32_NOTE_MASK: /* Symbol used by arch/x86/xen/setup.c */ | |
2730 | .long 0 /* mask */ | |
2731 | +#else | |
2732 | + .long 1 << VDSO_NOTE_NONEGSEG_BIT /* mask */ | |
2733 | +#endif | |
2734 | .byte VDSO_NOTE_NONEGSEG_BIT; .asciz "nosegneg" /* bit, name */ | |
2735 | ELFNOTE_END | |
2736 | #endif | |
2737 | Index: head-2008-12-01/drivers/Makefile | |
2738 | =================================================================== | |
2739 | --- head-2008-12-01.orig/drivers/Makefile 2008-12-01 11:11:03.000000000 +0100 | |
2740 | +++ head-2008-12-01/drivers/Makefile 2008-12-01 11:36:47.000000000 +0100 | |
2741 | @@ -16,7 +16,7 @@ obj-$(CONFIG_ACPI) += acpi/ | |
2742 | obj-$(CONFIG_PNP) += pnp/ | |
2743 | obj-$(CONFIG_ARM_AMBA) += amba/ | |
2744 | ||
2745 | -obj-$(CONFIG_XEN) += xen/ | |
2746 | +obj-$(CONFIG_PARAVIRT_XEN) += xen/ | |
2747 | ||
2748 | # char/ comes before serial/ etc so that the VT console is the boot-time | |
2749 | # default. | |
2750 | Index: head-2008-12-01/drivers/block/Kconfig | |
2751 | =================================================================== | |
2752 | --- head-2008-12-01.orig/drivers/block/Kconfig 2008-12-01 10:53:14.000000000 +0100 | |
2753 | +++ head-2008-12-01/drivers/block/Kconfig 2008-12-01 11:36:47.000000000 +0100 | |
2754 | @@ -423,9 +423,9 @@ config XILINX_SYSACE | |
2755 | help | |
2756 | Include support for the Xilinx SystemACE CompactFlash interface | |
2757 | ||
2758 | -config XEN_BLKDEV_FRONTEND | |
2759 | +config XEN_BLKFRONT | |
2760 | tristate "Xen virtual block device support" | |
2761 | - depends on XEN | |
2762 | + depends on PARAVIRT_XEN | |
2763 | default y | |
2764 | help | |
2765 | This driver implements the front-end of the Xen virtual | |
2766 | Index: head-2008-12-01/drivers/block/Makefile | |
2767 | =================================================================== | |
2768 | --- head-2008-12-01.orig/drivers/block/Makefile 2008-12-01 10:53:14.000000000 +0100 | |
2769 | +++ head-2008-12-01/drivers/block/Makefile 2008-12-01 11:36:47.000000000 +0100 | |
2770 | @@ -31,4 +31,4 @@ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o | |
2771 | obj-$(CONFIG_BLK_DEV_UB) += ub.o | |
2772 | obj-$(CONFIG_BLK_DEV_HD) += hd.o | |
2773 | ||
2774 | -obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o | |
2775 | +obj-$(CONFIG_XEN_BLKFRONT) += xen-blkfront.o | |
2776 | Index: head-2008-12-01/drivers/block/xen-blkfront.c | |
2777 | =================================================================== | |
2778 | --- head-2008-12-01.orig/drivers/block/xen-blkfront.c 2008-12-01 10:53:14.000000000 +0100 | |
2779 | +++ head-2008-12-01/drivers/block/xen-blkfront.c 2008-12-01 11:36:47.000000000 +0100 | |
2780 | @@ -1021,7 +1021,6 @@ static struct xenbus_device_id blkfront_ | |
2781 | ||
2782 | static struct xenbus_driver blkfront = { | |
2783 | .name = "vbd", | |
2784 | - .owner = THIS_MODULE, | |
2785 | .ids = blkfront_ids, | |
2786 | .probe = blkfront_probe, | |
2787 | .remove = blkfront_remove, | |
2788 | Index: head-2008-12-01/drivers/char/Kconfig | |
2789 | =================================================================== | |
2790 | --- head-2008-12-01.orig/drivers/char/Kconfig 2008-11-10 11:49:15.000000000 +0100 | |
2791 | +++ head-2008-12-01/drivers/char/Kconfig 2008-12-01 11:36:47.000000000 +0100 | |
2792 | @@ -624,7 +624,7 @@ config HVC_BEAT | |
2793 | ||
2794 | config HVC_XEN | |
2795 | bool "Xen Hypervisor Console support" | |
2796 | - depends on XEN | |
2797 | + depends on PARAVIRT_XEN | |
2798 | select HVC_DRIVER | |
2799 | select HVC_IRQ | |
2800 | default y | |
2801 | Index: head-2008-12-01/drivers/net/Kconfig | |
2802 | =================================================================== | |
2803 | --- head-2008-12-01.orig/drivers/net/Kconfig 2008-12-01 10:53:14.000000000 +0100 | |
2804 | +++ head-2008-12-01/drivers/net/Kconfig 2008-12-01 11:36:47.000000000 +0100 | |
2805 | @@ -2535,9 +2535,9 @@ source "drivers/atm/Kconfig" | |
2806 | ||
2807 | source "drivers/s390/net/Kconfig" | |
2808 | ||
2809 | -config XEN_NETDEV_FRONTEND | |
2810 | +config XEN_NETFRONT | |
2811 | tristate "Xen network device frontend driver" | |
2812 | - depends on XEN | |
2813 | + depends on PARAVIRT_XEN | |
2814 | default y | |
2815 | help | |
2816 | The network device frontend driver allows the kernel to | |
2817 | Index: head-2008-12-01/drivers/net/Makefile | |
2818 | =================================================================== | |
2819 | --- head-2008-12-01.orig/drivers/net/Makefile 2008-12-01 10:53:14.000000000 +0100 | |
2820 | +++ head-2008-12-01/drivers/net/Makefile 2008-12-01 11:36:47.000000000 +0100 | |
2821 | @@ -142,7 +142,7 @@ obj-$(CONFIG_PPPOL2TP) += pppox.o pppol2 | |
2822 | obj-$(CONFIG_SLIP) += slip.o | |
2823 | obj-$(CONFIG_SLHC) += slhc.o | |
2824 | ||
2825 | -obj-$(CONFIG_XEN_NETDEV_FRONTEND) += xen-netfront.o | |
2826 | +obj-$(CONFIG_XEN_NETFRONT) += xen-netfront.o | |
2827 | ||
2828 | obj-$(CONFIG_DUMMY) += dummy.o | |
2829 | obj-$(CONFIG_IFB) += ifb.o | |
2830 | Index: head-2008-12-01/drivers/net/xen-netfront.c | |
2831 | =================================================================== | |
2832 | --- head-2008-12-01.orig/drivers/net/xen-netfront.c 2008-12-01 10:53:14.000000000 +0100 | |
2833 | +++ head-2008-12-01/drivers/net/xen-netfront.c 2008-12-01 11:36:47.000000000 +0100 | |
2834 | @@ -36,8 +36,6 @@ | |
2835 | #include <linux/skbuff.h> | |
2836 | #include <linux/ethtool.h> | |
2837 | #include <linux/if_ether.h> | |
2838 | -#include <linux/tcp.h> | |
2839 | -#include <linux/udp.h> | |
2840 | #include <linux/moduleparam.h> | |
2841 | #include <linux/mm.h> | |
2842 | #include <net/ip.h> | |
2843 | @@ -765,45 +763,6 @@ static RING_IDX xennet_fill_frags(struct | |
2844 | return cons; | |
2845 | } | |
2846 | ||
2847 | -static int skb_checksum_setup(struct sk_buff *skb) | |
2848 | -{ | |
2849 | - struct iphdr *iph; | |
2850 | - unsigned char *th; | |
2851 | - int err = -EPROTO; | |
2852 | - | |
2853 | - if (skb->protocol != htons(ETH_P_IP)) | |
2854 | - goto out; | |
2855 | - | |
2856 | - iph = (void *)skb->data; | |
2857 | - th = skb->data + 4 * iph->ihl; | |
2858 | - if (th >= skb_tail_pointer(skb)) | |
2859 | - goto out; | |
2860 | - | |
2861 | - skb->csum_start = th - skb->head; | |
2862 | - switch (iph->protocol) { | |
2863 | - case IPPROTO_TCP: | |
2864 | - skb->csum_offset = offsetof(struct tcphdr, check); | |
2865 | - break; | |
2866 | - case IPPROTO_UDP: | |
2867 | - skb->csum_offset = offsetof(struct udphdr, check); | |
2868 | - break; | |
2869 | - default: | |
2870 | - if (net_ratelimit()) | |
2871 | - printk(KERN_ERR "Attempting to checksum a non-" | |
2872 | - "TCP/UDP packet, dropping a protocol" | |
2873 | - " %d packet", iph->protocol); | |
2874 | - goto out; | |
2875 | - } | |
2876 | - | |
2877 | - if ((th + skb->csum_offset + 2) > skb_tail_pointer(skb)) | |
2878 | - goto out; | |
2879 | - | |
2880 | - err = 0; | |
2881 | - | |
2882 | -out: | |
2883 | - return err; | |
2884 | -} | |
2885 | - | |
2886 | static int handle_incoming_queue(struct net_device *dev, | |
2887 | struct sk_buff_head *rxq) | |
2888 | { | |
2889 | @@ -1784,7 +1743,6 @@ static int __devexit xennet_remove(struc | |
2890 | ||
2891 | static struct xenbus_driver netfront = { | |
2892 | .name = "vif", | |
2893 | - .owner = THIS_MODULE, | |
2894 | .ids = netfront_ids, | |
2895 | .probe = netfront_probe, | |
2896 | .remove = __devexit_p(xennet_remove), | |
2897 | Index: head-2008-12-01/drivers/xen/Makefile | |
2898 | =================================================================== | |
2899 | --- head-2008-12-01.orig/drivers/xen/Makefile 2008-12-01 11:22:58.000000000 +0100 | |
2900 | +++ head-2008-12-01/drivers/xen/Makefile 2008-12-01 11:36:47.000000000 +0100 | |
2901 | @@ -1,10 +1,12 @@ | |
2902 | -obj-y += core/ | |
2903 | -obj-y += console/ | |
2904 | -obj-y += evtchn/ | |
2905 | -obj-y += xenbus/ | |
2906 | -obj-y += char/ | |
2907 | +obj-$(CONFIG_PARAVIRT_XEN) += grant-table.o | |
2908 | ||
2909 | -obj-y += util.o | |
2910 | +obj-$(CONFIG_XEN) += core/ | |
2911 | +obj-$(CONFIG_XEN) += console/ | |
2912 | +obj-$(CONFIG_XEN) += evtchn/ | |
2913 | +obj-y += xenbus/ | |
2914 | +obj-$(CONFIG_XEN) += char/ | |
2915 | + | |
2916 | +obj-$(CONFIG_XEN) += util.o | |
2917 | obj-$(CONFIG_XEN_BALLOON) += balloon/ | |
2918 | obj-$(CONFIG_XEN_BLKDEV_BACKEND) += blkback/ | |
2919 | obj-$(CONFIG_XEN_BLKDEV_TAP) += blktap/ | |
2920 | Index: head-2008-12-01/drivers/xen/blkback/blkback.c | |
2921 | =================================================================== | |
2922 | --- head-2008-12-01.orig/drivers/xen/blkback/blkback.c 2008-12-01 11:32:38.000000000 +0100 | |
2923 | +++ head-2008-12-01/drivers/xen/blkback/blkback.c 2008-12-01 11:36:47.000000000 +0100 | |
2924 | @@ -154,7 +154,7 @@ static void unplug_queue(blkif_t *blkif) | |
2925 | ||
2926 | static void plug_queue(blkif_t *blkif, struct block_device *bdev) | |
2927 | { | |
2928 | - request_queue_t *q = bdev_get_queue(bdev); | |
2929 | + struct request_queue *q = bdev_get_queue(bdev); | |
2930 | ||
2931 | if (q == blkif->plug) | |
2932 | return; | |
2933 | Index: head-2008-12-01/drivers/xen/blkback/common.h | |
2934 | =================================================================== | |
2935 | --- head-2008-12-01.orig/drivers/xen/blkback/common.h 2008-12-01 11:29:05.000000000 +0100 | |
2936 | +++ head-2008-12-01/drivers/xen/blkback/common.h 2008-12-01 11:36:47.000000000 +0100 | |
2937 | @@ -79,7 +79,7 @@ typedef struct blkif_st { | |
2938 | wait_queue_head_t wq; | |
2939 | struct task_struct *xenblkd; | |
2940 | unsigned int waiting_reqs; | |
2941 | - request_queue_t *plug; | |
2942 | + struct request_queue *plug; | |
2943 | ||
2944 | /* statistics */ | |
2945 | unsigned long st_print; | |
2946 | Index: head-2008-12-01/drivers/xen/blkback/interface.c | |
2947 | =================================================================== | |
2948 | --- head-2008-12-01.orig/drivers/xen/blkback/interface.c 2008-12-01 11:32:38.000000000 +0100 | |
2949 | +++ head-2008-12-01/drivers/xen/blkback/interface.c 2008-12-01 11:36:47.000000000 +0100 | |
2950 | @@ -177,5 +177,5 @@ void blkif_free(blkif_t *blkif) | |
2951 | void __init blkif_interface_init(void) | |
2952 | { | |
2953 | blkif_cachep = kmem_cache_create("blkif_cache", sizeof(blkif_t), | |
2954 | - 0, 0, NULL, NULL); | |
2955 | + 0, 0, NULL); | |
2956 | } | |
2957 | Index: head-2008-12-01/drivers/xen/blkfront/blkfront.c | |
2958 | =================================================================== | |
2959 | --- head-2008-12-01.orig/drivers/xen/blkfront/blkfront.c 2008-12-01 11:36:13.000000000 +0100 | |
2960 | +++ head-2008-12-01/drivers/xen/blkfront/blkfront.c 2008-12-01 11:36:47.000000000 +0100 | |
2961 | @@ -667,7 +667,7 @@ static int blkif_queue_request(struct re | |
2962 | * do_blkif_request | |
2963 | * read a block; request is in a request queue | |
2964 | */ | |
2965 | -void do_blkif_request(request_queue_t *rq) | |
2966 | +void do_blkif_request(struct request_queue *rq) | |
2967 | { | |
2968 | struct blkfront_info *info = NULL; | |
2969 | struct request *req; | |
2970 | Index: head-2008-12-01/drivers/xen/blkfront/block.h | |
2971 | =================================================================== | |
2972 | --- head-2008-12-01.orig/drivers/xen/blkfront/block.h 2008-08-07 12:44:36.000000000 +0200 | |
2973 | +++ head-2008-12-01/drivers/xen/blkfront/block.h 2008-12-01 11:36:47.000000000 +0100 | |
2974 | @@ -105,7 +105,7 @@ struct blkfront_info | |
2975 | blkif_front_ring_t ring; | |
2976 | unsigned int irq; | |
2977 | struct xlbd_major_info *mi; | |
2978 | - request_queue_t *rq; | |
2979 | + struct request_queue *rq; | |
2980 | struct work_struct work; | |
2981 | struct gnttab_free_callback callback; | |
2982 | struct blk_shadow shadow[BLK_RING_SIZE]; | |
2983 | @@ -129,7 +129,7 @@ extern int blkif_ioctl(struct inode *ino | |
2984 | extern int blkif_getgeo(struct block_device *, struct hd_geometry *); | |
2985 | extern int blkif_check(dev_t dev); | |
2986 | extern int blkif_revalidate(dev_t dev); | |
2987 | -extern void do_blkif_request (request_queue_t *rq); | |
2988 | +extern void do_blkif_request (struct request_queue *rq); | |
2989 | ||
2990 | /* Virtual block-device subsystem. */ | |
2991 | /* Note that xlvbd_add doesn't call add_disk for you: you're expected | |
2992 | Index: head-2008-12-01/drivers/xen/blkfront/vbd.c | |
2993 | =================================================================== | |
2994 | --- head-2008-12-01.orig/drivers/xen/blkfront/vbd.c 2008-08-07 12:44:36.000000000 +0200 | |
2995 | +++ head-2008-12-01/drivers/xen/blkfront/vbd.c 2008-12-01 11:36:47.000000000 +0100 | |
2996 | @@ -211,7 +211,7 @@ xlbd_put_major_info(struct xlbd_major_in | |
2997 | static int | |
2998 | xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size) | |
2999 | { | |
3000 | - request_queue_t *rq; | |
3001 | + struct request_queue *rq; | |
3002 | ||
3003 | rq = blk_init_queue(do_blkif_request, &blkif_io_lock); | |
3004 | if (rq == NULL) | |
3005 | Index: head-2008-12-01/drivers/xen/blktap/common.h | |
3006 | =================================================================== | |
3007 | --- head-2008-12-01.orig/drivers/xen/blktap/common.h 2008-12-01 11:29:05.000000000 +0100 | |
3008 | +++ head-2008-12-01/drivers/xen/blktap/common.h 2008-12-01 11:36:47.000000000 +0100 | |
3009 | @@ -68,7 +68,7 @@ typedef struct blkif_st { | |
3010 | wait_queue_head_t wq; | |
3011 | struct task_struct *xenblkd; | |
3012 | unsigned int waiting_reqs; | |
3013 | - request_queue_t *plug; | |
3014 | + struct request_queue *plug; | |
3015 | ||
3016 | /* statistics */ | |
3017 | unsigned long st_print; | |
3018 | Index: head-2008-12-01/drivers/xen/blktap/interface.c | |
3019 | =================================================================== | |
3020 | --- head-2008-12-01.orig/drivers/xen/blktap/interface.c 2008-12-01 11:32:38.000000000 +0100 | |
3021 | +++ head-2008-12-01/drivers/xen/blktap/interface.c 2008-12-01 11:36:47.000000000 +0100 | |
3022 | @@ -177,5 +177,5 @@ void tap_blkif_kmem_cache_free(blkif_t * | |
3023 | void __init tap_blkif_interface_init(void) | |
3024 | { | |
3025 | blkif_cachep = kmem_cache_create("blktapif_cache", sizeof(blkif_t), | |
3026 | - 0, 0, NULL, NULL); | |
3027 | + 0, 0, NULL); | |
3028 | } | |
3029 | Index: head-2008-12-01/drivers/xen/core/features.c | |
3030 | =================================================================== | |
3031 | --- head-2008-12-01.orig/drivers/xen/core/features.c 2007-06-12 13:13:44.000000000 +0200 | |
3032 | +++ head-2008-12-01/drivers/xen/core/features.c 2008-12-01 11:36:47.000000000 +0100 | |
3033 | @@ -19,7 +19,7 @@ u8 xen_features[XENFEAT_NR_SUBMAPS * 32] | |
3034 | /* Not a GPL symbol: used in ubiquitous macros, so too restrictive. */ | |
3035 | EXPORT_SYMBOL(xen_features); | |
3036 | ||
3037 | -void setup_xen_features(void) | |
3038 | +void xen_setup_features(void) | |
3039 | { | |
3040 | xen_feature_info_t fi; | |
3041 | int i, j; | |
3042 | Index: head-2008-12-01/drivers/xen/core/reboot.c | |
3043 | =================================================================== | |
3044 | --- head-2008-12-01.orig/drivers/xen/core/reboot.c 2008-12-01 11:32:38.000000000 +0100 | |
3045 | +++ head-2008-12-01/drivers/xen/core/reboot.c 2008-12-01 11:36:47.000000000 +0100 | |
3046 | @@ -4,6 +4,7 @@ | |
3047 | #include <linux/unistd.h> | |
3048 | #include <linux/module.h> | |
3049 | #include <linux/reboot.h> | |
3050 | +#include <linux/sched.h> | |
3051 | #include <linux/sysrq.h> | |
3052 | #include <asm/hypervisor.h> | |
3053 | #include <xen/xenbus.h> | |
3054 | Index: head-2008-12-01/drivers/xen/scsiback/interface.c | |
3055 | =================================================================== | |
3056 | --- head-2008-12-01.orig/drivers/xen/scsiback/interface.c 2008-12-01 11:32:38.000000000 +0100 | |
3057 | +++ head-2008-12-01/drivers/xen/scsiback/interface.c 2008-12-01 11:36:47.000000000 +0100 | |
3058 | @@ -167,7 +167,7 @@ void scsiback_free(struct vscsibk_info * | |
3059 | int __init scsiback_interface_init(void) | |
3060 | { | |
3061 | scsiback_cachep = kmem_cache_create("vscsiif_cache", | |
3062 | - sizeof(struct vscsibk_info), 0, 0, NULL, NULL); | |
3063 | + sizeof(struct vscsibk_info), 0, 0, NULL); | |
3064 | if (!scsiback_cachep) { | |
3065 | printk(KERN_ERR "scsiback: can't init scsi cache\n"); | |
3066 | return -ENOMEM; | |
3067 | Index: head-2008-12-01/drivers/xen/scsifront/scsifront.c | |
3068 | =================================================================== | |
3069 | --- head-2008-12-01.orig/drivers/xen/scsifront/scsifront.c 2008-12-01 11:29:05.000000000 +0100 | |
3070 | +++ head-2008-12-01/drivers/xen/scsifront/scsifront.c 2008-12-01 11:36:47.000000000 +0100 | |
3071 | @@ -147,7 +147,7 @@ static void scsifront_cdb_cmd_done(struc | |
3072 | add_id_to_freelist(info, id); | |
3073 | ||
3074 | sc->result = ring_res->rslt; | |
3075 | - sc->resid = ring_res->residual_len; | |
3076 | + scsi_set_resid(sc, ring_res->residual_len); | |
3077 | ||
3078 | if (ring_res->sense_len > VSCSIIF_SENSE_BUFFERSIZE) | |
3079 | sense_len = VSCSIIF_SENSE_BUFFERSIZE; | |
3080 | Index: head-2008-12-01/drivers/xen/tpmback/interface.c | |
3081 | =================================================================== | |
3082 | --- head-2008-12-01.orig/drivers/xen/tpmback/interface.c 2008-12-01 11:36:07.000000000 +0100 | |
3083 | +++ head-2008-12-01/drivers/xen/tpmback/interface.c 2008-12-01 11:36:47.000000000 +0100 | |
3084 | @@ -12,6 +12,7 @@ | |
3085 | */ | |
3086 | ||
3087 | #include "common.h" | |
3088 | +#include <linux/err.h> | |
3089 | #include <xen/balloon.h> | |
3090 | #include <xen/gnttab.h> | |
3091 | ||
3092 | @@ -159,7 +160,7 @@ void tpmif_disconnect_complete(tpmif_t * | |
3093 | int __init tpmif_interface_init(void) | |
3094 | { | |
3095 | tpmif_cachep = kmem_cache_create("tpmif_cache", sizeof (tpmif_t), | |
3096 | - 0, 0, NULL, NULL); | |
3097 | + 0, 0, NULL); | |
3098 | return tpmif_cachep ? 0 : -ENOMEM; | |
3099 | } | |
3100 | ||
3101 | Index: head-2008-12-01/drivers/xen/util.c | |
3102 | =================================================================== | |
3103 | --- head-2008-12-01.orig/drivers/xen/util.c 2007-07-10 09:42:30.000000000 +0200 | |
3104 | +++ head-2008-12-01/drivers/xen/util.c 2008-12-01 11:36:47.000000000 +0100 | |
3105 | @@ -1,8 +1,5 @@ | |
3106 | -#include <linux/mm.h> | |
3107 | +#include <linux/err.h> | |
3108 | #include <linux/module.h> | |
3109 | -#include <linux/slab.h> | |
3110 | -#include <linux/vmalloc.h> | |
3111 | -#include <asm/uaccess.h> | |
3112 | #include <xen/driver_util.h> | |
3113 | ||
3114 | struct class *get_xen_class(void) | |
3115 | @@ -21,45 +18,3 @@ struct class *get_xen_class(void) | |
3116 | return xen_class; | |
3117 | } | |
3118 | EXPORT_SYMBOL_GPL(get_xen_class); | |
3119 | - | |
3120 | -#ifdef CONFIG_X86 | |
3121 | -static int f(pte_t *pte, struct page *pmd_page, unsigned long addr, void *data) | |
3122 | -{ | |
3123 | - /* apply_to_page_range() does all the hard work. */ | |
3124 | - return 0; | |
3125 | -} | |
3126 | - | |
3127 | -struct vm_struct *alloc_vm_area(unsigned long size) | |
3128 | -{ | |
3129 | - struct vm_struct *area; | |
3130 | - | |
3131 | - area = get_vm_area(size, VM_IOREMAP); | |
3132 | - if (area == NULL) | |
3133 | - return NULL; | |
3134 | - | |
3135 | - /* | |
3136 | - * This ensures that page tables are constructed for this region | |
3137 | - * of kernel virtual address space and mapped into init_mm. | |
3138 | - */ | |
3139 | - if (apply_to_page_range(&init_mm, (unsigned long)area->addr, | |
3140 | - area->size, f, NULL)) { | |
3141 | - free_vm_area(area); | |
3142 | - return NULL; | |
3143 | - } | |
3144 | - | |
3145 | - /* Map page directories into every address space. */ | |
3146 | - vmalloc_sync_all(); | |
3147 | - | |
3148 | - return area; | |
3149 | -} | |
3150 | -EXPORT_SYMBOL_GPL(alloc_vm_area); | |
3151 | - | |
3152 | -void free_vm_area(struct vm_struct *area) | |
3153 | -{ | |
3154 | - struct vm_struct *ret; | |
3155 | - ret = remove_vm_area(area->addr); | |
3156 | - BUG_ON(ret != area); | |
3157 | - kfree(area); | |
3158 | -} | |
3159 | -EXPORT_SYMBOL_GPL(free_vm_area); | |
3160 | -#endif /* CONFIG_X86 */ | |
3161 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_client.c | |
3162 | =================================================================== | |
3163 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_client.c 2008-12-01 11:22:58.000000000 +0100 | |
3164 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_client.c 2008-12-01 11:36:47.000000000 +0100 | |
3165 | @@ -30,19 +30,26 @@ | |
3166 | * IN THE SOFTWARE. | |
3167 | */ | |
3168 | ||
3169 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3170 | #include <linux/slab.h> | |
3171 | #include <xen/evtchn.h> | |
3172 | #include <xen/gnttab.h> | |
3173 | -#include <xen/xenbus.h> | |
3174 | #include <xen/driver_util.h> | |
3175 | +#else | |
3176 | +#include <linux/types.h> | |
3177 | +#include <linux/vmalloc.h> | |
3178 | +#include <asm/xen/hypervisor.h> | |
3179 | +#include <xen/interface/xen.h> | |
3180 | +#include <xen/interface/event_channel.h> | |
3181 | +#include <xen/events.h> | |
3182 | +#include <xen/grant_table.h> | |
3183 | +#endif | |
3184 | +#include <xen/xenbus.h> | |
3185 | ||
3186 | #ifdef HAVE_XEN_PLATFORM_COMPAT_H | |
3187 | #include <xen/platform-compat.h> | |
3188 | #endif | |
3189 | ||
3190 | -#define DPRINTK(fmt, args...) \ | |
3191 | - pr_debug("xenbus_client (%s:%d) " fmt ".\n", __FUNCTION__, __LINE__, ##args) | |
3192 | - | |
3193 | const char *xenbus_strstate(enum xenbus_state state) | |
3194 | { | |
3195 | static const char *const name[] = { | |
3196 | @@ -58,6 +65,20 @@ const char *xenbus_strstate(enum xenbus_ | |
3197 | } | |
3198 | EXPORT_SYMBOL_GPL(xenbus_strstate); | |
3199 | ||
3200 | +/** | |
3201 | + * xenbus_watch_path - register a watch | |
3202 | + * @dev: xenbus device | |
3203 | + * @path: path to watch | |
3204 | + * @watch: watch to register | |
3205 | + * @callback: callback to register | |
3206 | + * | |
3207 | + * Register a @watch on the given path, using the given xenbus_watch structure | |
3208 | + * for storage, and the given @callback function as the callback. Return 0 on | |
3209 | + * success, or -errno on error. On success, the given @path will be saved as | |
3210 | + * @watch->node, and remains the caller's to free. On error, @watch->node will | |
3211 | + * be NULL, the device will switch to %XenbusStateClosing, and the error will | |
3212 | + * be saved in the store. | |
3213 | + */ | |
3214 | int xenbus_watch_path(struct xenbus_device *dev, const char *path, | |
3215 | struct xenbus_watch *watch, | |
3216 | void (*callback)(struct xenbus_watch *, | |
3217 | @@ -81,6 +102,7 @@ int xenbus_watch_path(struct xenbus_devi | |
3218 | EXPORT_SYMBOL_GPL(xenbus_watch_path); | |
3219 | ||
3220 | ||
3221 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3222 | int xenbus_watch_path2(struct xenbus_device *dev, const char *path, | |
3223 | const char *path2, struct xenbus_watch *watch, | |
3224 | void (*callback)(struct xenbus_watch *, | |
3225 | @@ -99,8 +121,60 @@ int xenbus_watch_path2(struct xenbus_dev | |
3226 | return err; | |
3227 | } | |
3228 | EXPORT_SYMBOL_GPL(xenbus_watch_path2); | |
3229 | +#else | |
3230 | +/** | |
3231 | + * xenbus_watch_pathfmt - register a watch on a sprintf-formatted path | |
3232 | + * @dev: xenbus device | |
3233 | + * @watch: watch to register | |
3234 | + * @callback: callback to register | |
3235 | + * @pathfmt: format of path to watch | |
3236 | + * | |
3237 | + * Register a watch on the given @path, using the given xenbus_watch | |
3238 | + * structure for storage, and the given @callback function as the callback. | |
3239 | + * Return 0 on success, or -errno on error. On success, the watched path | |
3240 | + * (@path/@path2) will be saved as @watch->node, and becomes the caller's to | |
3241 | + * kfree(). On error, watch->node will be NULL, so the caller has nothing to | |
3242 | + * free, the device will switch to %XenbusStateClosing, and the error will be | |
3243 | + * saved in the store. | |
3244 | + */ | |
3245 | +int xenbus_watch_pathfmt(struct xenbus_device *dev, | |
3246 | + struct xenbus_watch *watch, | |
3247 | + void (*callback)(struct xenbus_watch *, | |
3248 | + const char **, unsigned int), | |
3249 | + const char *pathfmt, ...) | |
3250 | +{ | |
3251 | + int err; | |
3252 | + va_list ap; | |
3253 | + char *path; | |
3254 | ||
3255 | + va_start(ap, pathfmt); | |
3256 | + path = kvasprintf(GFP_KERNEL, pathfmt, ap); | |
3257 | + va_end(ap); | |
3258 | ||
3259 | + if (!path) { | |
3260 | + xenbus_dev_fatal(dev, -ENOMEM, "allocating path for watch"); | |
3261 | + return -ENOMEM; | |
3262 | + } | |
3263 | + err = xenbus_watch_path(dev, path, watch, callback); | |
3264 | + | |
3265 | + if (err) | |
3266 | + kfree(path); | |
3267 | + return err; | |
3268 | +} | |
3269 | +EXPORT_SYMBOL_GPL(xenbus_watch_pathfmt); | |
3270 | +#endif | |
3271 | + | |
3272 | + | |
3273 | +/** | |
3274 | + * xenbus_switch_state | |
3275 | + * @dev: xenbus device | |
3276 | + * @xbt: transaction handle | |
3277 | + * @state: new state | |
3278 | + * | |
3279 | + * Advertise in the store a change of the given driver to the given new_state. | |
3280 | + * Return 0 on success, or -errno on error. On error, the device will switch | |
3281 | + * to XenbusStateClosing, and the error will be saved in the store. | |
3282 | + */ | |
3283 | int xenbus_switch_state(struct xenbus_device *dev, enum xenbus_state state) | |
3284 | { | |
3285 | /* We check whether the state is currently set to the given value, and | |
3286 | @@ -159,8 +233,8 @@ static char *error_path(struct xenbus_de | |
3287 | } | |
3288 | ||
3289 | ||
3290 | -void _dev_error(struct xenbus_device *dev, int err, const char *fmt, | |
3291 | - va_list ap) | |
3292 | +static void _dev_error(struct xenbus_device *dev, int err, | |
3293 | + const char *fmt, va_list ap) | |
3294 | { | |
3295 | int ret; | |
3296 | unsigned int len; | |
3297 | @@ -181,14 +255,16 @@ void _dev_error(struct xenbus_device *de | |
3298 | path_buffer = error_path(dev); | |
3299 | ||
3300 | if (path_buffer == NULL) { | |
3301 | - printk("xenbus: failed to write error node for %s (%s)\n", | |
3302 | - dev->nodename, printf_buffer); | |
3303 | + dev_err(&dev->dev, | |
3304 | + "xenbus: failed to write error node for %s (%s)\n", | |
3305 | + dev->nodename, printf_buffer); | |
3306 | goto fail; | |
3307 | } | |
3308 | ||
3309 | if (xenbus_write(XBT_NIL, path_buffer, "error", printf_buffer) != 0) { | |
3310 | - printk("xenbus: failed to write error node for %s (%s)\n", | |
3311 | - dev->nodename, printf_buffer); | |
3312 | + dev_err(&dev->dev, | |
3313 | + "xenbus: failed to write error node for %s (%s)\n", | |
3314 | + dev->nodename, printf_buffer); | |
3315 | goto fail; | |
3316 | } | |
3317 | ||
3318 | @@ -200,6 +276,15 @@ fail: | |
3319 | } | |
3320 | ||
3321 | ||
3322 | +/** | |
3323 | + * xenbus_dev_error | |
3324 | + * @dev: xenbus device | |
3325 | + * @err: error to report | |
3326 | + * @fmt: error message format | |
3327 | + * | |
3328 | + * Report the given negative errno into the store, along with the given | |
3329 | + * formatted message. | |
3330 | + */ | |
3331 | void xenbus_dev_error(struct xenbus_device *dev, int err, const char *fmt, | |
3332 | ...) | |
3333 | { | |
3334 | @@ -212,6 +297,16 @@ void xenbus_dev_error(struct xenbus_devi | |
3335 | EXPORT_SYMBOL_GPL(xenbus_dev_error); | |
3336 | ||
3337 | ||
3338 | +/** | |
3339 | + * xenbus_dev_fatal | |
3340 | + * @dev: xenbus device | |
3341 | + * @err: error to report | |
3342 | + * @fmt: error message format | |
3343 | + * | |
3344 | + * Equivalent to xenbus_dev_error(dev, err, fmt, args), followed by | |
3345 | + * xenbus_switch_state(dev, NULL, XenbusStateClosing) to schedule an orderly | |
3346 | + * closedown of this driver and its peer. | |
3347 | + */ | |
3348 | void xenbus_dev_fatal(struct xenbus_device *dev, int err, const char *fmt, | |
3349 | ...) | |
3350 | { | |
3351 | @@ -226,6 +321,15 @@ void xenbus_dev_fatal(struct xenbus_devi | |
3352 | EXPORT_SYMBOL_GPL(xenbus_dev_fatal); | |
3353 | ||
3354 | ||
3355 | +/** | |
3356 | + * xenbus_grant_ring | |
3357 | + * @dev: xenbus device | |
3358 | + * @ring_mfn: mfn of ring to grant | |
3359 | + * | |
3360 | + * Grant access to the given @ring_mfn to the peer of the given device. Return | |
3361 | + * 0 on success, or -errno on error. On error, the device will switch to | |
3362 | + * XenbusStateClosing, and the error will be saved in the store. | |
3363 | + */ | |
3364 | int xenbus_grant_ring(struct xenbus_device *dev, unsigned long ring_mfn) | |
3365 | { | |
3366 | int err = gnttab_grant_foreign_access(dev->otherend_id, ring_mfn, 0); | |
3367 | @@ -236,6 +340,12 @@ int xenbus_grant_ring(struct xenbus_devi | |
3368 | EXPORT_SYMBOL_GPL(xenbus_grant_ring); | |
3369 | ||
3370 | ||
3371 | +/** | |
3372 | + * Allocate an event channel for the given xenbus_device, assigning the newly | |
3373 | + * created local port to *port. Return 0 on success, or -errno on error. On | |
3374 | + * error, the device will switch to XenbusStateClosing, and the error will be | |
3375 | + * saved in the store. | |
3376 | + */ | |
3377 | int xenbus_alloc_evtchn(struct xenbus_device *dev, int *port) | |
3378 | { | |
3379 | struct evtchn_alloc_unbound alloc_unbound; | |
3380 | @@ -256,6 +366,38 @@ int xenbus_alloc_evtchn(struct xenbus_de | |
3381 | EXPORT_SYMBOL_GPL(xenbus_alloc_evtchn); | |
3382 | ||
3383 | ||
3384 | +#if 0 /* !defined(CONFIG_XEN) && !defined(MODULE) */ | |
3385 | +/** | |
3386 | + * Bind to an existing interdomain event channel in another domain. Returns 0 | |
3387 | + * on success and stores the local port in *port. On error, returns -errno, | |
3388 | + * switches the device to XenbusStateClosing, and saves the error in XenStore. | |
3389 | + */ | |
3390 | +int xenbus_bind_evtchn(struct xenbus_device *dev, int remote_port, int *port) | |
3391 | +{ | |
3392 | + struct evtchn_bind_interdomain bind_interdomain; | |
3393 | + int err; | |
3394 | + | |
3395 | + bind_interdomain.remote_dom = dev->otherend_id; | |
3396 | + bind_interdomain.remote_port = remote_port; | |
3397 | + | |
3398 | + err = HYPERVISOR_event_channel_op(EVTCHNOP_bind_interdomain, | |
3399 | + &bind_interdomain); | |
3400 | + if (err) | |
3401 | + xenbus_dev_fatal(dev, err, | |
3402 | + "binding to event channel %d from domain %d", | |
3403 | + remote_port, dev->otherend_id); | |
3404 | + else | |
3405 | + *port = bind_interdomain.local_port; | |
3406 | + | |
3407 | + return err; | |
3408 | +} | |
3409 | +EXPORT_SYMBOL_GPL(xenbus_bind_evtchn); | |
3410 | +#endif | |
3411 | + | |
3412 | + | |
3413 | +/** | |
3414 | + * Free an existing event channel. Returns 0 on success or -errno on error. | |
3415 | + */ | |
3416 | int xenbus_free_evtchn(struct xenbus_device *dev, int port) | |
3417 | { | |
3418 | struct evtchn_close close; | |
3419 | @@ -272,6 +414,191 @@ int xenbus_free_evtchn(struct xenbus_dev | |
3420 | EXPORT_SYMBOL_GPL(xenbus_free_evtchn); | |
3421 | ||
3422 | ||
3423 | +#if 0 /* !defined(CONFIG_XEN) && !defined(MODULE) */ | |
3424 | +/** | |
3425 | + * xenbus_map_ring_valloc | |
3426 | + * @dev: xenbus device | |
3427 | + * @gnt_ref: grant reference | |
3428 | + * @vaddr: pointer to address to be filled out by mapping | |
3429 | + * | |
3430 | + * Based on Rusty Russell's skeleton driver's map_page. | |
3431 | + * Map a page of memory into this domain from another domain's grant table. | |
3432 | + * xenbus_map_ring_valloc allocates a page of virtual address space, maps the | |
3433 | + * page to that address, and sets *vaddr to that address. | |
3434 | + * Returns 0 on success, and GNTST_* (see xen/include/interface/grant_table.h) | |
3435 | + * or -ENOMEM on error. If an error is returned, device will switch to | |
3436 | + * XenbusStateClosing and the error message will be saved in XenStore. | |
3437 | + */ | |
3438 | +int xenbus_map_ring_valloc(struct xenbus_device *dev, int gnt_ref, void **vaddr) | |
3439 | +{ | |
3440 | + struct gnttab_map_grant_ref op = { | |
3441 | + .flags = GNTMAP_host_map, | |
3442 | + .ref = gnt_ref, | |
3443 | + .dom = dev->otherend_id, | |
3444 | + }; | |
3445 | + struct vm_struct *area; | |
3446 | + | |
3447 | + *vaddr = NULL; | |
3448 | + | |
3449 | + area = alloc_vm_area(PAGE_SIZE); | |
3450 | + if (!area) | |
3451 | + return -ENOMEM; | |
3452 | + | |
3453 | + op.host_addr = (unsigned long)area->addr; | |
3454 | + | |
3455 | + if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1)) | |
3456 | + BUG(); | |
3457 | + | |
3458 | + if (op.status != GNTST_okay) { | |
3459 | + free_vm_area(area); | |
3460 | + xenbus_dev_fatal(dev, op.status, | |
3461 | + "mapping in shared page %d from domain %d", | |
3462 | + gnt_ref, dev->otherend_id); | |
3463 | + return op.status; | |
3464 | + } | |
3465 | + | |
3466 | + /* Stuff the handle in an unused field */ | |
3467 | + area->phys_addr = (unsigned long)op.handle; | |
3468 | + | |
3469 | + *vaddr = area->addr; | |
3470 | + return 0; | |
3471 | +} | |
3472 | +EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc); | |
3473 | + | |
3474 | + | |
3475 | +/** | |
3476 | + * xenbus_map_ring | |
3477 | + * @dev: xenbus device | |
3478 | + * @gnt_ref: grant reference | |
3479 | + * @handle: pointer to grant handle to be filled | |
3480 | + * @vaddr: address to be mapped to | |
3481 | + * | |
3482 | + * Map a page of memory into this domain from another domain's grant table. | |
3483 | + * xenbus_map_ring does not allocate the virtual address space (you must do | |
3484 | + * this yourself!). It only maps in the page to the specified address. | |
3485 | + * Returns 0 on success, and GNTST_* (see xen/include/interface/grant_table.h) | |
3486 | + * or -ENOMEM on error. If an error is returned, device will switch to | |
3487 | + * XenbusStateClosing and the error message will be saved in XenStore. | |
3488 | + */ | |
3489 | +int xenbus_map_ring(struct xenbus_device *dev, int gnt_ref, | |
3490 | + grant_handle_t *handle, void *vaddr) | |
3491 | +{ | |
3492 | + struct gnttab_map_grant_ref op = { | |
3493 | + .host_addr = (unsigned long)vaddr, | |
3494 | + .flags = GNTMAP_host_map, | |
3495 | + .ref = gnt_ref, | |
3496 | + .dom = dev->otherend_id, | |
3497 | + }; | |
3498 | + | |
3499 | + if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, &op, 1)) | |
3500 | + BUG(); | |
3501 | + | |
3502 | + if (op.status != GNTST_okay) { | |
3503 | + xenbus_dev_fatal(dev, op.status, | |
3504 | + "mapping in shared page %d from domain %d", | |
3505 | + gnt_ref, dev->otherend_id); | |
3506 | + } else | |
3507 | + *handle = op.handle; | |
3508 | + | |
3509 | + return op.status; | |
3510 | +} | |
3511 | +EXPORT_SYMBOL_GPL(xenbus_map_ring); | |
3512 | + | |
3513 | + | |
3514 | +/** | |
3515 | + * xenbus_unmap_ring_vfree | |
3516 | + * @dev: xenbus device | |
3517 | + * @vaddr: addr to unmap | |
3518 | + * | |
3519 | + * Based on Rusty Russell's skeleton driver's unmap_page. | |
3520 | + * Unmap a page of memory in this domain that was imported from another domain. | |
3521 | + * Use xenbus_unmap_ring_vfree if you mapped in your memory with | |
3522 | + * xenbus_map_ring_valloc (it will free the virtual address space). | |
3523 | + * Returns 0 on success and returns GNTST_* on error | |
3524 | + * (see xen/include/interface/grant_table.h). | |
3525 | + */ | |
3526 | +int xenbus_unmap_ring_vfree(struct xenbus_device *dev, void *vaddr) | |
3527 | +{ | |
3528 | + struct vm_struct *area; | |
3529 | + struct gnttab_unmap_grant_ref op = { | |
3530 | + .host_addr = (unsigned long)vaddr, | |
3531 | + }; | |
3532 | + | |
3533 | + /* It'd be nice if linux/vmalloc.h provided a find_vm_area(void *addr) | |
3534 | + * method so that we don't have to muck with vmalloc internals here. | |
3535 | + * We could force the user to hang on to their struct vm_struct from | |
3536 | + * xenbus_map_ring_valloc, but these 6 lines considerably simplify | |
3537 | + * this API. | |
3538 | + */ | |
3539 | + read_lock(&vmlist_lock); | |
3540 | + for (area = vmlist; area != NULL; area = area->next) { | |
3541 | + if (area->addr == vaddr) | |
3542 | + break; | |
3543 | + } | |
3544 | + read_unlock(&vmlist_lock); | |
3545 | + | |
3546 | + if (!area) { | |
3547 | + xenbus_dev_error(dev, -ENOENT, | |
3548 | + "can't find mapped virtual address %p", vaddr); | |
3549 | + return GNTST_bad_virt_addr; | |
3550 | + } | |
3551 | + | |
3552 | + op.handle = (grant_handle_t)area->phys_addr; | |
3553 | + | |
3554 | + if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1)) | |
3555 | + BUG(); | |
3556 | + | |
3557 | + if (op.status == GNTST_okay) | |
3558 | + free_vm_area(area); | |
3559 | + else | |
3560 | + xenbus_dev_error(dev, op.status, | |
3561 | + "unmapping page at handle %d error %d", | |
3562 | + (int16_t)area->phys_addr, op.status); | |
3563 | + | |
3564 | + return op.status; | |
3565 | +} | |
3566 | +EXPORT_SYMBOL_GPL(xenbus_unmap_ring_vfree); | |
3567 | + | |
3568 | + | |
3569 | +/** | |
3570 | + * xenbus_unmap_ring | |
3571 | + * @dev: xenbus device | |
3572 | + * @handle: grant handle | |
3573 | + * @vaddr: addr to unmap | |
3574 | + * | |
3575 | + * Unmap a page of memory in this domain that was imported from another domain. | |
3576 | + * Returns 0 on success and returns GNTST_* on error | |
3577 | + * (see xen/include/interface/grant_table.h). | |
3578 | + */ | |
3579 | +int xenbus_unmap_ring(struct xenbus_device *dev, | |
3580 | + grant_handle_t handle, void *vaddr) | |
3581 | +{ | |
3582 | + struct gnttab_unmap_grant_ref op = { | |
3583 | + .host_addr = (unsigned long)vaddr, | |
3584 | + .handle = handle, | |
3585 | + }; | |
3586 | + | |
3587 | + if (HYPERVISOR_grant_table_op(GNTTABOP_unmap_grant_ref, &op, 1)) | |
3588 | + BUG(); | |
3589 | + | |
3590 | + if (op.status != GNTST_okay) | |
3591 | + xenbus_dev_error(dev, op.status, | |
3592 | + "unmapping page at handle %d error %d", | |
3593 | + handle, op.status); | |
3594 | + | |
3595 | + return op.status; | |
3596 | +} | |
3597 | +EXPORT_SYMBOL_GPL(xenbus_unmap_ring); | |
3598 | +#endif | |
3599 | + | |
3600 | + | |
3601 | +/** | |
3602 | + * xenbus_read_driver_state | |
3603 | + * @path: path for driver | |
3604 | + * | |
3605 | + * Return the state of the driver rooted at the given store path, or | |
3606 | + * XenbusStateUnknown if no state can be read. | |
3607 | + */ | |
3608 | enum xenbus_state xenbus_read_driver_state(const char *path) | |
3609 | { | |
3610 | enum xenbus_state result; | |
3611 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_comms.c | |
3612 | =================================================================== | |
3613 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_comms.c 2008-12-01 11:32:38.000000000 +0100 | |
3614 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_comms.c 2008-12-01 11:36:47.000000000 +0100 | |
3615 | @@ -34,12 +34,15 @@ | |
3616 | #include <linux/interrupt.h> | |
3617 | #include <linux/sched.h> | |
3618 | #include <linux/err.h> | |
3619 | -#include <linux/ptrace.h> | |
3620 | -#include <linux/workqueue.h> | |
3621 | -#include <xen/evtchn.h> | |
3622 | #include <xen/xenbus.h> | |
3623 | - | |
3624 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3625 | +#include <xen/evtchn.h> | |
3626 | #include <asm/hypervisor.h> | |
3627 | +#else | |
3628 | +#include <asm/xen/hypervisor.h> | |
3629 | +#include <xen/events.h> | |
3630 | +#include <xen/page.h> | |
3631 | +#endif | |
3632 | ||
3633 | #include "xenbus_comms.h" | |
3634 | ||
3635 | @@ -91,6 +94,13 @@ static const void *get_input_chunk(XENST | |
3636 | return buf + MASK_XENSTORE_IDX(cons); | |
3637 | } | |
3638 | ||
3639 | +/** | |
3640 | + * xb_write - low level write | |
3641 | + * @data: buffer to send | |
3642 | + * @len: length of buffer | |
3643 | + * | |
3644 | + * Returns 0 on success, error otherwise. | |
3645 | + */ | |
3646 | int xb_write(const void *data, unsigned len) | |
3647 | { | |
3648 | struct xenstore_domain_interface *intf = xen_store_interface; | |
3649 | @@ -199,7 +209,9 @@ int xb_read(void *data, unsigned len) | |
3650 | return 0; | |
3651 | } | |
3652 | ||
3653 | -/* Set up interrupt handler off store event channel. */ | |
3654 | +/** | |
3655 | + * xb_init_comms - Set up interrupt handler off store event channel. | |
3656 | + */ | |
3657 | int xb_init_comms(void) | |
3658 | { | |
3659 | struct xenstore_domain_interface *intf = xen_store_interface; | |
3660 | @@ -219,7 +231,11 @@ int xb_init_comms(void) | |
3661 | if (xenbus_irq) | |
3662 | unbind_from_irqhandler(xenbus_irq, &xb_waitq); | |
3663 | ||
3664 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3665 | err = bind_caller_port_to_irqhandler( | |
3666 | +#else | |
3667 | + err = bind_evtchn_to_irqhandler( | |
3668 | +#endif | |
3669 | xen_store_evtchn, wake_waiting, | |
3670 | 0, "xenbus", &xb_waitq); | |
3671 | if (err <= 0) { | |
3672 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_probe.c | |
3673 | =================================================================== | |
3674 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_probe.c 2008-12-01 11:36:07.000000000 +0100 | |
3675 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_probe.c 2008-12-01 11:36:47.000000000 +0100 | |
3676 | @@ -43,12 +43,11 @@ | |
3677 | #include <linux/mm.h> | |
3678 | #include <linux/notifier.h> | |
3679 | #include <linux/mutex.h> | |
3680 | -#include <linux/module.h> | |
3681 | +#include <linux/io.h> | |
3682 | ||
3683 | -#include <asm/io.h> | |
3684 | #include <asm/page.h> | |
3685 | -#include <asm/maddr.h> | |
3686 | #include <asm/pgtable.h> | |
3687 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3688 | #include <asm/hypervisor.h> | |
3689 | #include <xen/xenbus.h> | |
3690 | #include <xen/xen_proc.h> | |
3691 | @@ -57,6 +56,12 @@ | |
3692 | #ifdef MODULE | |
3693 | #include <xen/hvm.h> | |
3694 | #endif | |
3695 | +#else | |
3696 | +#include <asm/xen/hypervisor.h> | |
3697 | +#include <xen/xenbus.h> | |
3698 | +#include <xen/events.h> | |
3699 | +#include <xen/page.h> | |
3700 | +#endif | |
3701 | ||
3702 | #include "xenbus_comms.h" | |
3703 | #include "xenbus_probe.h" | |
3704 | @@ -168,7 +173,7 @@ static int read_backend_details(struct x | |
3705 | return read_otherend_details(xendev, "backend-id", "backend"); | |
3706 | } | |
3707 | ||
3708 | -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) | |
3709 | +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) && (defined(CONFIG_XEN) || defined(MODULE)) | |
3710 | static int xenbus_uevent_frontend(struct device *dev, char **envp, | |
3711 | int num_envp, char *buffer, int buffer_size) | |
3712 | { | |
3713 | @@ -207,12 +212,16 @@ static struct xen_bus_type xenbus_fronte | |
3714 | .probe = xenbus_dev_probe, | |
3715 | .remove = xenbus_dev_remove, | |
3716 | .shutdown = xenbus_dev_shutdown, | |
3717 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3718 | .uevent = xenbus_uevent_frontend, | |
3719 | #endif | |
3720 | +#endif | |
3721 | }, | |
3722 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3723 | .dev = { | |
3724 | .bus_id = "xen", | |
3725 | }, | |
3726 | +#endif | |
3727 | }; | |
3728 | ||
3729 | static void otherend_changed(struct xenbus_watch *watch, | |
3730 | @@ -228,14 +237,15 @@ static void otherend_changed(struct xenb | |
3731 | if (!dev->otherend || | |
3732 | strncmp(dev->otherend, vec[XS_WATCH_PATH], | |
3733 | strlen(dev->otherend))) { | |
3734 | - DPRINTK("Ignoring watch at %s", vec[XS_WATCH_PATH]); | |
3735 | + dev_dbg(&dev->dev, "Ignoring watch at %s", vec[XS_WATCH_PATH]); | |
3736 | return; | |
3737 | } | |
3738 | ||
3739 | state = xenbus_read_driver_state(dev->otherend); | |
3740 | ||
3741 | - DPRINTK("state is %d (%s), %s, %s", state, xenbus_strstate(state), | |
3742 | - dev->otherend_watch.node, vec[XS_WATCH_PATH]); | |
3743 | + dev_dbg(&dev->dev, "state is %d (%s), %s, %s", | |
3744 | + state, xenbus_strstate(state), dev->otherend_watch.node, | |
3745 | + vec[XS_WATCH_PATH]); | |
3746 | ||
3747 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) | |
3748 | /* | |
3749 | @@ -271,8 +281,13 @@ static int talk_to_otherend(struct xenbu | |
3750 | ||
3751 | static int watch_otherend(struct xenbus_device *dev) | |
3752 | { | |
3753 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3754 | return xenbus_watch_path2(dev, dev->otherend, "state", | |
3755 | &dev->otherend_watch, otherend_changed); | |
3756 | +#else | |
3757 | + return xenbus_watch_pathfmt(dev, &dev->otherend_watch, otherend_changed, | |
3758 | + "%s/%s", dev->otherend, "state"); | |
3759 | +#endif | |
3760 | } | |
3761 | ||
3762 | ||
3763 | @@ -298,9 +313,9 @@ int xenbus_dev_probe(struct device *_dev | |
3764 | ||
3765 | err = talk_to_otherend(dev); | |
3766 | if (err) { | |
3767 | - printk(KERN_WARNING | |
3768 | - "xenbus_probe: talk_to_otherend on %s failed.\n", | |
3769 | - dev->nodename); | |
3770 | + dev_warn(&dev->dev, | |
3771 | + "xenbus_probe: talk_to_otherend on %s failed.\n", | |
3772 | + dev->nodename); | |
3773 | return err; | |
3774 | } | |
3775 | ||
3776 | @@ -310,9 +325,9 @@ int xenbus_dev_probe(struct device *_dev | |
3777 | ||
3778 | err = watch_otherend(dev); | |
3779 | if (err) { | |
3780 | - printk(KERN_WARNING | |
3781 | - "xenbus_probe: watch_otherend on %s failed.\n", | |
3782 | - dev->nodename); | |
3783 | + dev_warn(&dev->dev, | |
3784 | + "xenbus_probe: watch_otherend on %s failed.\n", | |
3785 | + dev->nodename); | |
3786 | return err; | |
3787 | } | |
3788 | ||
3789 | @@ -352,14 +367,15 @@ static void xenbus_dev_shutdown(struct d | |
3790 | ||
3791 | get_device(&dev->dev); | |
3792 | if (dev->state != XenbusStateConnected) { | |
3793 | - printk("%s: %s: %s != Connected, skipping\n", __FUNCTION__, | |
3794 | - dev->nodename, xenbus_strstate(dev->state)); | |
3795 | + dev_info(&dev->dev, "%s: %s: %s != Connected, skipping\n", __FUNCTION__, | |
3796 | + dev->nodename, xenbus_strstate(dev->state)); | |
3797 | goto out; | |
3798 | } | |
3799 | xenbus_switch_state(dev, XenbusStateClosing); | |
3800 | timeout = wait_for_completion_timeout(&dev->down, timeout); | |
3801 | if (!timeout) | |
3802 | - printk("%s: %s timeout closing device\n", __FUNCTION__, dev->nodename); | |
3803 | + dev_info(&dev->dev, "%s: %s timeout closing device\n", | |
3804 | + __FUNCTION__, dev->nodename); | |
3805 | out: | |
3806 | put_device(&dev->dev); | |
3807 | } | |
3808 | @@ -547,7 +563,9 @@ int xenbus_probe_node(struct xen_bus_typ | |
3809 | xendev->devicetype = tmpstring; | |
3810 | init_completion(&xendev->down); | |
3811 | ||
3812 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3813 | xendev->dev.parent = &bus->dev; | |
3814 | +#endif | |
3815 | xendev->dev.bus = &bus->bus; | |
3816 | xendev->dev.release = xenbus_dev_release; | |
3817 | ||
3818 | @@ -562,15 +580,16 @@ int xenbus_probe_node(struct xen_bus_typ | |
3819 | ||
3820 | err = device_create_file(&xendev->dev, &dev_attr_nodename); | |
3821 | if (err) | |
3822 | - goto unregister; | |
3823 | + goto fail_unregister; | |
3824 | + | |
3825 | err = device_create_file(&xendev->dev, &dev_attr_devtype); | |
3826 | if (err) | |
3827 | - goto unregister; | |
3828 | + goto fail_remove_file; | |
3829 | ||
3830 | return 0; | |
3831 | -unregister: | |
3832 | +fail_remove_file: | |
3833 | device_remove_file(&xendev->dev, &dev_attr_nodename); | |
3834 | - device_remove_file(&xendev->dev, &dev_attr_devtype); | |
3835 | +fail_unregister: | |
3836 | device_unregister(&xendev->dev); | |
3837 | fail: | |
3838 | kfree(xendev); | |
3839 | @@ -583,7 +602,8 @@ static int xenbus_probe_frontend(const c | |
3840 | char *nodename; | |
3841 | int err; | |
3842 | ||
3843 | - nodename = kasprintf(GFP_KERNEL, "%s/%s/%s", xenbus_frontend.root, type, name); | |
3844 | + nodename = kasprintf(GFP_KERNEL, "%s/%s/%s", | |
3845 | + xenbus_frontend.root, type, name); | |
3846 | if (!nodename) | |
3847 | return -ENOMEM; | |
3848 | ||
3849 | @@ -659,7 +679,7 @@ static int strsep_len(const char *str, c | |
3850 | return (len == 0) ? i : -ERANGE; | |
3851 | } | |
3852 | ||
3853 | -void dev_changed(const char *node, struct xen_bus_type *bus) | |
3854 | +void xenbus_dev_changed(const char *node, struct xen_bus_type *bus) | |
3855 | { | |
3856 | int exists, rootlen; | |
3857 | struct xenbus_device *dev; | |
3858 | @@ -667,7 +687,7 @@ void dev_changed(const char *node, struc | |
3859 | const char *p, *root; | |
3860 | ||
3861 | if (bus->error || char_count(node, '/') < 2) | |
3862 | - return; | |
3863 | + return; | |
3864 | ||
3865 | exists = xenbus_exists(XBT_NIL, node, ""); | |
3866 | if (!exists) { | |
3867 | @@ -701,7 +721,7 @@ static void frontend_changed(struct xenb | |
3868 | { | |
3869 | DPRINTK(""); | |
3870 | ||
3871 | - dev_changed(vec[XS_WATCH_PATH], &xenbus_frontend); | |
3872 | + xenbus_dev_changed(vec[XS_WATCH_PATH], &xenbus_frontend); | |
3873 | } | |
3874 | ||
3875 | /* We watch for devices appearing and vanishing. */ | |
3876 | @@ -904,10 +924,16 @@ static int xsd_port_read(char *page, cha | |
3877 | } | |
3878 | #endif | |
3879 | ||
3880 | -static int xenbus_probe_init(void) | |
3881 | +#ifndef MODULE | |
3882 | +static int __init xenbus_probe_init(void) | |
3883 | +#else | |
3884 | +static int __devinit xenbus_probe_init(void) | |
3885 | +#endif | |
3886 | { | |
3887 | int err = 0; | |
3888 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3889 | unsigned long page = 0; | |
3890 | +#endif | |
3891 | ||
3892 | DPRINTK(""); | |
3893 | ||
3894 | @@ -926,6 +952,7 @@ static int xenbus_probe_init(void) | |
3895 | * Domain0 doesn't have a store_evtchn or store_mfn yet. | |
3896 | */ | |
3897 | if (is_initial_xendomain()) { | |
3898 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3899 | struct evtchn_alloc_unbound alloc_unbound; | |
3900 | ||
3901 | /* Allocate page. */ | |
3902 | @@ -963,10 +990,13 @@ static int xenbus_probe_init(void) | |
3903 | if (xsd_port_intf) | |
3904 | xsd_port_intf->read_proc = xsd_port_read; | |
3905 | #endif | |
3906 | +#else | |
3907 | + /* dom0 not yet supported */ | |
3908 | +#endif | |
3909 | xen_store_interface = mfn_to_virt(xen_store_mfn); | |
3910 | } else { | |
3911 | xenstored_ready = 1; | |
3912 | -#ifdef CONFIG_XEN | |
3913 | +#ifndef MODULE | |
3914 | xen_store_evtchn = xen_start_info->store_evtchn; | |
3915 | xen_store_mfn = xen_start_info->store_mfn; | |
3916 | xen_store_interface = mfn_to_virt(xen_store_mfn); | |
3917 | @@ -979,7 +1009,9 @@ static int xenbus_probe_init(void) | |
3918 | } | |
3919 | ||
3920 | ||
3921 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3922 | xenbus_dev_init(); | |
3923 | +#endif | |
3924 | ||
3925 | /* Initialize the interface to xenstore. */ | |
3926 | err = xs_init(); | |
3927 | @@ -989,6 +1021,7 @@ static int xenbus_probe_init(void) | |
3928 | goto err; | |
3929 | } | |
3930 | ||
3931 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3932 | /* Register ourselves with the kernel device subsystem */ | |
3933 | if (!xenbus_frontend.error) { | |
3934 | xenbus_frontend.error = device_register(&xenbus_frontend.dev); | |
3935 | @@ -999,6 +1032,7 @@ static int xenbus_probe_init(void) | |
3936 | xenbus_frontend.error); | |
3937 | } | |
3938 | } | |
3939 | +#endif | |
3940 | xenbus_backend_device_register(); | |
3941 | ||
3942 | if (!is_initial_xendomain()) | |
3943 | @@ -1007,8 +1041,10 @@ static int xenbus_probe_init(void) | |
3944 | return 0; | |
3945 | ||
3946 | err: | |
3947 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3948 | if (page) | |
3949 | free_page(page); | |
3950 | +#endif | |
3951 | ||
3952 | /* | |
3953 | * Do not unregister the xenbus front/backend buses here. The buses | |
3954 | @@ -1019,11 +1055,15 @@ static int xenbus_probe_init(void) | |
3955 | return err; | |
3956 | } | |
3957 | ||
3958 | -#ifdef CONFIG_XEN | |
3959 | +#ifndef MODULE | |
3960 | postcore_initcall(xenbus_probe_init); | |
3961 | +#ifdef CONFIG_XEN | |
3962 | MODULE_LICENSE("Dual BSD/GPL"); | |
3963 | #else | |
3964 | -int xenbus_init(void) | |
3965 | +MODULE_LICENSE("GPL"); | |
3966 | +#endif | |
3967 | +#else | |
3968 | +int __devinit xenbus_init(void) | |
3969 | { | |
3970 | return xenbus_probe_init(); | |
3971 | } | |
3972 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_probe.h | |
3973 | =================================================================== | |
3974 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_probe.h 2008-12-01 11:36:07.000000000 +0100 | |
3975 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_probe.h 2008-12-01 11:36:47.000000000 +0100 | |
3976 | @@ -56,7 +56,9 @@ struct xen_bus_type | |
3977 | int (*get_bus_id)(char bus_id[BUS_ID_SIZE], const char *nodename); | |
3978 | int (*probe)(const char *type, const char *dir); | |
3979 | struct bus_type bus; | |
3980 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
3981 | struct device dev; | |
3982 | +#endif | |
3983 | }; | |
3984 | ||
3985 | extern int xenbus_match(struct device *_dev, struct device_driver *_drv); | |
3986 | @@ -71,7 +73,7 @@ extern int xenbus_probe_node(struct xen_ | |
3987 | const char *nodename); | |
3988 | extern int xenbus_probe_devices(struct xen_bus_type *bus); | |
3989 | ||
3990 | -extern void dev_changed(const char *node, struct xen_bus_type *bus); | |
3991 | +extern void xenbus_dev_changed(const char *node, struct xen_bus_type *bus); | |
3992 | ||
3993 | #endif | |
3994 | ||
3995 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_probe_backend.c | |
3996 | =================================================================== | |
3997 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_probe_backend.c 2008-12-01 11:36:07.000000000 +0100 | |
3998 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_probe_backend.c 2008-12-01 11:36:47.000000000 +0100 | |
3999 | @@ -236,7 +236,7 @@ static void backend_changed(struct xenbu | |
4000 | { | |
4001 | DPRINTK(""); | |
4002 | ||
4003 | - dev_changed(vec[XS_WATCH_PATH], &xenbus_backend); | |
4004 | + xenbus_dev_changed(vec[XS_WATCH_PATH], &xenbus_backend); | |
4005 | } | |
4006 | ||
4007 | static struct xenbus_watch be_watch = { | |
4008 | Index: head-2008-12-01/drivers/xen/xenbus/xenbus_xs.c | |
4009 | =================================================================== | |
4010 | --- head-2008-12-01.orig/drivers/xen/xenbus/xenbus_xs.c 2008-12-01 11:22:58.000000000 +0100 | |
4011 | +++ head-2008-12-01/drivers/xen/xenbus/xenbus_xs.c 2008-12-01 11:36:47.000000000 +0100 | |
4012 | @@ -221,7 +221,7 @@ static void *xs_talkv(struct xenbus_tran | |
4013 | } | |
4014 | ||
4015 | for (i = 0; i < num_vecs; i++) { | |
4016 | - err = xb_write(iovec[i].iov_base, iovec[i].iov_len);; | |
4017 | + err = xb_write(iovec[i].iov_base, iovec[i].iov_len); | |
4018 | if (err) { | |
4019 | mutex_unlock(&xs_state.request_mutex); | |
4020 | return ERR_PTR(err); | |
4021 | @@ -630,7 +630,9 @@ void unregister_xenbus_watch(struct xenb | |
4022 | char token[sizeof(watch) * 2 + 1]; | |
4023 | int err; | |
4024 | ||
4025 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
4026 | BUG_ON(watch->flags & XBWF_new_thread); | |
4027 | +#endif | |
4028 | ||
4029 | sprintf(token, "%lX", (long)watch); | |
4030 | ||
4031 | @@ -649,6 +651,11 @@ void unregister_xenbus_watch(struct xenb | |
4032 | ||
4033 | up_read(&xs_state.watch_mutex); | |
4034 | ||
4035 | + /* Make sure there are no callbacks running currently (unless | |
4036 | + its us) */ | |
4037 | + if (current->pid != xenwatch_pid) | |
4038 | + mutex_lock(&xenwatch_mutex); | |
4039 | + | |
4040 | /* Cancel pending watch events. */ | |
4041 | spin_lock(&watch_events_lock); | |
4042 | list_for_each_entry_safe(msg, tmp, &watch_events, list) { | |
4043 | @@ -660,11 +667,8 @@ void unregister_xenbus_watch(struct xenb | |
4044 | } | |
4045 | spin_unlock(&watch_events_lock); | |
4046 | ||
4047 | - /* Flush any currently-executing callback, unless we are it. :-) */ | |
4048 | - if (current->pid != xenwatch_pid) { | |
4049 | - mutex_lock(&xenwatch_mutex); | |
4050 | + if (current->pid != xenwatch_pid) | |
4051 | mutex_unlock(&xenwatch_mutex); | |
4052 | - } | |
4053 | } | |
4054 | EXPORT_SYMBOL_GPL(unregister_xenbus_watch); | |
4055 | ||
4056 | @@ -702,6 +706,7 @@ void xs_suspend_cancel(void) | |
4057 | up_write(&xs_state.transaction_mutex); | |
4058 | } | |
4059 | ||
4060 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
4061 | static int xenwatch_handle_callback(void *data) | |
4062 | { | |
4063 | struct xs_stored_msg *msg = data; | |
4064 | @@ -719,6 +724,7 @@ static int xenwatch_handle_callback(void | |
4065 | ||
4066 | return 0; | |
4067 | } | |
4068 | +#endif | |
4069 | ||
4070 | static int xenwatch_thread(void *unused) | |
4071 | { | |
4072 | @@ -748,6 +754,7 @@ static int xenwatch_thread(void *unused) | |
4073 | ||
4074 | msg = list_entry(ent, struct xs_stored_msg, list); | |
4075 | ||
4076 | +#if defined(CONFIG_XEN) || defined(MODULE) | |
4077 | /* | |
4078 | * Unlock the mutex before running an XBWF_new_thread | |
4079 | * handler. kthread_run can block which can deadlock | |
4080 | @@ -764,6 +771,15 @@ static int xenwatch_thread(void *unused) | |
4081 | xenwatch_handle_callback(msg); | |
4082 | mutex_unlock(&xenwatch_mutex); | |
4083 | } | |
4084 | +#else | |
4085 | + msg->u.watch.handle->callback( | |
4086 | + msg->u.watch.handle, | |
4087 | + (const char **)msg->u.watch.vec, | |
4088 | + msg->u.watch.vec_size); | |
4089 | + mutex_unlock(&xenwatch_mutex); | |
4090 | + kfree(msg->u.watch.vec); | |
4091 | + kfree(msg); | |
4092 | +#endif | |
4093 | } | |
4094 | ||
4095 | return 0; | |
4096 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/fixmap_32.h | |
4097 | =================================================================== | |
4098 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/fixmap_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4099 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/fixmap_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4100 | @@ -53,6 +53,8 @@ extern unsigned long __FIXADDR_TOP; | |
4101 | enum fixed_addresses { | |
4102 | FIX_HOLE, | |
4103 | FIX_VDSO, | |
4104 | + FIX_DBGP_BASE, | |
4105 | + FIX_EARLYCON_MEM_BASE, | |
4106 | #ifdef CONFIG_X86_LOCAL_APIC | |
4107 | FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ | |
4108 | #endif | |
4109 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/highmem.h | |
4110 | =================================================================== | |
4111 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/highmem.h 2008-12-01 11:36:13.000000000 +0100 | |
4112 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/highmem.h 2008-12-01 11:36:47.000000000 +0100 | |
4113 | @@ -76,8 +76,7 @@ struct page *kmap_atomic_to_page(void *p | |
4114 | ||
4115 | #define kmap_atomic_pte(page, type) \ | |
4116 | kmap_atomic_prot(page, type, \ | |
4117 | - test_bit(PG_pinned, &(page)->flags) \ | |
4118 | - ? PAGE_KERNEL_RO : kmap_prot) | |
4119 | + PagePinned(page) ? PAGE_KERNEL_RO : kmap_prot) | |
4120 | ||
4121 | #define flush_cache_kmaps() do { } while (0) | |
4122 | ||
4123 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/io_32.h | |
4124 | =================================================================== | |
4125 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/io_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4126 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/io_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4127 | @@ -125,6 +125,9 @@ extern void __iomem * __ioremap(unsigned | |
4128 | * writew/writel functions and the other mmio helpers. The returned | |
4129 | * address is not guaranteed to be usable directly as a virtual | |
4130 | * address. | |
4131 | + * | |
4132 | + * If the area you are trying to map is a PCI BAR you should have a | |
4133 | + * look at pci_iomap(). | |
4134 | */ | |
4135 | ||
4136 | static inline void __iomem * ioremap(unsigned long offset, unsigned long size) | |
4137 | @@ -142,6 +145,7 @@ extern void iounmap(volatile void __iome | |
4138 | */ | |
4139 | extern void *bt_ioremap(unsigned long offset, unsigned long size); | |
4140 | extern void bt_iounmap(void *addr, unsigned long size); | |
4141 | +extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); | |
4142 | ||
4143 | /* Use early IO mappings for DMI because it's initialized early */ | |
4144 | #define dmi_ioremap bt_ioremap | |
4145 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/maddr_32.h | |
4146 | =================================================================== | |
4147 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/maddr_32.h 2008-04-02 12:34:02.000000000 +0200 | |
4148 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/maddr_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4149 | @@ -155,6 +155,7 @@ static inline paddr_t pte_machine_to_phy | |
4150 | ||
4151 | #ifdef CONFIG_X86_PAE | |
4152 | #define __pte_ma(x) ((pte_t) { (x), (maddr_t)(x) >> 32 } ) | |
4153 | +extern unsigned long long __supported_pte_mask; | |
4154 | static inline pte_t pfn_pte_ma(unsigned long page_nr, pgprot_t pgprot) | |
4155 | { | |
4156 | pte_t pte; | |
4157 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/mmu_context_32.h | |
4158 | =================================================================== | |
4159 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/mmu_context_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4160 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/mmu_context_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4161 | @@ -16,7 +16,7 @@ void mm_pin_all(void); | |
4162 | static inline void xen_activate_mm(struct mm_struct *prev, | |
4163 | struct mm_struct *next) | |
4164 | { | |
4165 | - if (!test_bit(PG_pinned, &virt_to_page(next->pgd)->flags)) | |
4166 | + if (!PagePinned(virt_to_page(next->pgd))) | |
4167 | mm_pin(next); | |
4168 | } | |
4169 | ||
4170 | @@ -51,6 +51,8 @@ static inline void __prepare_arch_switch | |
4171 | : : "r" (0) ); | |
4172 | } | |
4173 | ||
4174 | +void leave_mm(unsigned long cpu); | |
4175 | + | |
4176 | static inline void switch_mm(struct mm_struct *prev, | |
4177 | struct mm_struct *next, | |
4178 | struct task_struct *tsk) | |
4179 | @@ -60,7 +62,7 @@ static inline void switch_mm(struct mm_s | |
4180 | ||
4181 | if (likely(prev != next)) { | |
4182 | BUG_ON(!xen_feature(XENFEAT_writable_page_tables) && | |
4183 | - !test_bit(PG_pinned, &virt_to_page(next->pgd)->flags)); | |
4184 | + !PagePinned(virt_to_page(next->pgd))); | |
4185 | ||
4186 | /* stop flush ipis for the previous mm */ | |
4187 | cpu_clear(cpu, prev->cpu_vm_mask); | |
4188 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pci_32.h | |
4189 | =================================================================== | |
4190 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pci_32.h 2007-09-14 11:14:51.000000000 +0200 | |
4191 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pci_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4192 | @@ -3,6 +3,14 @@ | |
4193 | ||
4194 | ||
4195 | #ifdef __KERNEL__ | |
4196 | + | |
4197 | +struct pci_sysdata { | |
4198 | + int node; /* NUMA node */ | |
4199 | +}; | |
4200 | + | |
4201 | +/* scan a bus after allocating a pci_sysdata for it */ | |
4202 | +extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); | |
4203 | + | |
4204 | #include <linux/mm.h> /* for struct page */ | |
4205 | ||
4206 | /* Can be used to override the logic in pci_scan_bus for skipping | |
4207 | @@ -81,48 +89,11 @@ struct pci_dev; | |
4208 | ||
4209 | #endif | |
4210 | ||
4211 | -/* This is always fine. */ | |
4212 | -#define pci_dac_dma_supported(pci_dev, mask) (1) | |
4213 | - | |
4214 | -static inline dma64_addr_t | |
4215 | -pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction) | |
4216 | -{ | |
4217 | - return ((dma64_addr_t) page_to_phys(page) + | |
4218 | - (dma64_addr_t) offset); | |
4219 | -} | |
4220 | - | |
4221 | -static inline struct page * | |
4222 | -pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr) | |
4223 | -{ | |
4224 | - return pfn_to_page(dma_addr >> PAGE_SHIFT); | |
4225 | -} | |
4226 | - | |
4227 | -static inline unsigned long | |
4228 | -pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr) | |
4229 | -{ | |
4230 | - return (dma_addr & ~PAGE_MASK); | |
4231 | -} | |
4232 | - | |
4233 | -static inline void | |
4234 | -pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) | |
4235 | -{ | |
4236 | -} | |
4237 | - | |
4238 | -static inline void | |
4239 | -pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) | |
4240 | -{ | |
4241 | - flush_write_buffers(); | |
4242 | -} | |
4243 | - | |
4244 | #define HAVE_PCI_MMAP | |
4245 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
4246 | enum pci_mmap_state mmap_state, int write_combine); | |
4247 | ||
4248 | ||
4249 | -static inline void pcibios_add_platform_entries(struct pci_dev *dev) | |
4250 | -{ | |
4251 | -} | |
4252 | - | |
4253 | #ifdef CONFIG_PCI | |
4254 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | |
4255 | enum pci_dma_burst_strategy *strat, | |
4256 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pgalloc_32.h | |
4257 | =================================================================== | |
4258 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pgalloc_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4259 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pgalloc_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4260 | @@ -5,7 +5,7 @@ | |
4261 | #include <linux/mm.h> /* for struct page */ | |
4262 | #include <asm/io.h> /* for phys_to_virt and page_to_pseudophys */ | |
4263 | ||
4264 | -#define paravirt_alloc_pt(pfn) do { } while (0) | |
4265 | +#define paravirt_alloc_pt(mm, pfn) do { } while (0) | |
4266 | #define paravirt_alloc_pd(pfn) do { } while (0) | |
4267 | #define paravirt_alloc_pd(pfn) do { } while (0) | |
4268 | #define paravirt_alloc_pd_clone(pfn, clonepfn, start, count) do { } while (0) | |
4269 | @@ -14,15 +14,15 @@ | |
4270 | ||
4271 | #define pmd_populate_kernel(mm, pmd, pte) \ | |
4272 | do { \ | |
4273 | - paravirt_alloc_pt(__pa(pte) >> PAGE_SHIFT); \ | |
4274 | + paravirt_alloc_pt(mm, __pa(pte) >> PAGE_SHIFT); \ | |
4275 | set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))); \ | |
4276 | } while (0) | |
4277 | ||
4278 | #define pmd_populate(mm, pmd, pte) \ | |
4279 | do { \ | |
4280 | unsigned long pfn = page_to_pfn(pte); \ | |
4281 | - paravirt_alloc_pt(pfn); \ | |
4282 | - if (test_bit(PG_pinned, &virt_to_page((mm)->pgd)->flags)) { \ | |
4283 | + paravirt_alloc_pt(mm, pfn); \ | |
4284 | + if (PagePinned(virt_to_page((mm)->pgd))) { \ | |
4285 | if (!PageHighMem(pte)) \ | |
4286 | BUG_ON(HYPERVISOR_update_va_mapping( \ | |
4287 | (unsigned long)__va(pfn << PAGE_SHIFT), \ | |
4288 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable_32.h | |
4289 | =================================================================== | |
4290 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pgtable_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4291 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4292 | @@ -26,9 +26,6 @@ | |
4293 | #include <linux/spinlock.h> | |
4294 | #include <linux/sched.h> | |
4295 | ||
4296 | -/* Is this pagetable pinned? */ | |
4297 | -#define PG_pinned PG_arch_1 | |
4298 | - | |
4299 | struct vm_area_struct; | |
4300 | ||
4301 | /* | |
4302 | @@ -82,7 +79,7 @@ void paging_init(void); | |
4303 | * area for the same reason. ;) | |
4304 | */ | |
4305 | #define VMALLOC_OFFSET (8*1024*1024) | |
4306 | -#define VMALLOC_START (((unsigned long) high_memory + vmalloc_earlyreserve + \ | |
4307 | +#define VMALLOC_START (((unsigned long) high_memory + \ | |
4308 | 2*VMALLOC_OFFSET-1) & ~(VMALLOC_OFFSET-1)) | |
4309 | #ifdef CONFIG_HIGHMEM | |
4310 | # define VMALLOC_END (PKMAP_BASE-2*PAGE_SIZE) | |
4311 | @@ -231,8 +228,6 @@ extern unsigned long pg0[]; | |
4312 | * The following only work if pte_present() is true. | |
4313 | * Undefined behaviour if not.. | |
4314 | */ | |
4315 | -static inline int pte_user(pte_t pte) { return (pte).pte_low & _PAGE_USER; } | |
4316 | -static inline int pte_read(pte_t pte) { return (pte).pte_low & _PAGE_USER; } | |
4317 | static inline int pte_dirty(pte_t pte) { return (pte).pte_low & _PAGE_DIRTY; } | |
4318 | static inline int pte_young(pte_t pte) { return (pte).pte_low & _PAGE_ACCESSED; } | |
4319 | static inline int pte_write(pte_t pte) { return (pte).pte_low & _PAGE_RW; } | |
4320 | @@ -243,13 +238,9 @@ static inline int pte_huge(pte_t pte) { | |
4321 | */ | |
4322 | static inline int pte_file(pte_t pte) { return (pte).pte_low & _PAGE_FILE; } | |
4323 | ||
4324 | -static inline pte_t pte_rdprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } | |
4325 | -static inline pte_t pte_exprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_USER; return pte; } | |
4326 | static inline pte_t pte_mkclean(pte_t pte) { (pte).pte_low &= ~_PAGE_DIRTY; return pte; } | |
4327 | static inline pte_t pte_mkold(pte_t pte) { (pte).pte_low &= ~_PAGE_ACCESSED; return pte; } | |
4328 | static inline pte_t pte_wrprotect(pte_t pte) { (pte).pte_low &= ~_PAGE_RW; return pte; } | |
4329 | -static inline pte_t pte_mkread(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } | |
4330 | -static inline pte_t pte_mkexec(pte_t pte) { (pte).pte_low |= _PAGE_USER; return pte; } | |
4331 | static inline pte_t pte_mkdirty(pte_t pte) { (pte).pte_low |= _PAGE_DIRTY; return pte; } | |
4332 | static inline pte_t pte_mkyoung(pte_t pte) { (pte).pte_low |= _PAGE_ACCESSED; return pte; } | |
4333 | static inline pte_t pte_mkwrite(pte_t pte) { (pte).pte_low |= _PAGE_RW; return pte; } | |
4334 | @@ -295,22 +286,20 @@ static inline pte_t xen_local_ptep_get_a | |
4335 | #define ptep_set_access_flags(vma, address, ptep, entry, dirty) \ | |
4336 | ({ \ | |
4337 | int __changed = !pte_same(*(ptep), entry); \ | |
4338 | - if (__changed && (dirty)) \ | |
4339 | - ptep_establish(vma, address, ptep, entry); \ | |
4340 | + if (__changed && (dirty)) { \ | |
4341 | + if ( likely((vma)->vm_mm == current->mm) ) { \ | |
4342 | + BUG_ON(HYPERVISOR_update_va_mapping(address, \ | |
4343 | + entry, \ | |
4344 | + (unsigned long)(vma)->vm_mm->cpu_vm_mask.bits| \ | |
4345 | + UVMF_INVLPG|UVMF_MULTI)); \ | |
4346 | + } else { \ | |
4347 | + xen_l1_entry_update(ptep, entry); \ | |
4348 | + flush_tlb_page(vma, address); \ | |
4349 | + } \ | |
4350 | + } \ | |
4351 | __changed; \ | |
4352 | }) | |
4353 | ||
4354 | -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY | |
4355 | -#define ptep_test_and_clear_dirty(vma, addr, ptep) ({ \ | |
4356 | - int __ret = 0; \ | |
4357 | - if (pte_dirty(*(ptep))) \ | |
4358 | - __ret = test_and_clear_bit(_PAGE_BIT_DIRTY, \ | |
4359 | - &(ptep)->pte_low); \ | |
4360 | - if (__ret) \ | |
4361 | - pte_update((vma)->vm_mm, addr, ptep); \ | |
4362 | - __ret; \ | |
4363 | -}) | |
4364 | - | |
4365 | #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG | |
4366 | #define ptep_test_and_clear_young(vma, addr, ptep) ({ \ | |
4367 | int __ret = 0; \ | |
4368 | @@ -322,44 +311,13 @@ static inline pte_t xen_local_ptep_get_a | |
4369 | __ret; \ | |
4370 | }) | |
4371 | ||
4372 | -/* | |
4373 | - * Rules for using ptep_establish: the pte MUST be a user pte, and | |
4374 | - * must be a present->present transition. | |
4375 | - */ | |
4376 | -#define __HAVE_ARCH_PTEP_ESTABLISH | |
4377 | -#define ptep_establish(vma, address, ptep, pteval) \ | |
4378 | -do { \ | |
4379 | - if ( likely((vma)->vm_mm == current->mm) ) { \ | |
4380 | - BUG_ON(HYPERVISOR_update_va_mapping(address, \ | |
4381 | - pteval, \ | |
4382 | - (unsigned long)(vma)->vm_mm->cpu_vm_mask.bits| \ | |
4383 | - UVMF_INVLPG|UVMF_MULTI)); \ | |
4384 | - } else { \ | |
4385 | - xen_l1_entry_update(ptep, pteval); \ | |
4386 | - flush_tlb_page(vma, address); \ | |
4387 | - } \ | |
4388 | -} while (0) | |
4389 | - | |
4390 | -#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH | |
4391 | -#define ptep_clear_flush_dirty(vma, address, ptep) \ | |
4392 | -({ \ | |
4393 | - pte_t __pte = *(ptep); \ | |
4394 | - int __dirty = pte_dirty(__pte); \ | |
4395 | - __pte = pte_mkclean(__pte); \ | |
4396 | - if (test_bit(PG_pinned, &virt_to_page((vma)->vm_mm->pgd)->flags)) \ | |
4397 | - (void)ptep_set_access_flags(vma, address, ptep, __pte, __dirty); \ | |
4398 | - else if (__dirty) \ | |
4399 | - (ptep)->pte_low = __pte.pte_low; \ | |
4400 | - __dirty; \ | |
4401 | -}) | |
4402 | - | |
4403 | #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH | |
4404 | #define ptep_clear_flush_young(vma, address, ptep) \ | |
4405 | ({ \ | |
4406 | pte_t __pte = *(ptep); \ | |
4407 | int __young = pte_young(__pte); \ | |
4408 | __pte = pte_mkold(__pte); \ | |
4409 | - if (test_bit(PG_pinned, &virt_to_page((vma)->vm_mm->pgd)->flags)) \ | |
4410 | + if (PagePinned(virt_to_page((vma)->vm_mm->pgd))) \ | |
4411 | (void)ptep_set_access_flags(vma, address, ptep, __pte, __young); \ | |
4412 | else if (__young) \ | |
4413 | (ptep)->pte_low = __pte.pte_low; \ | |
4414 | @@ -383,7 +341,7 @@ static inline pte_t ptep_get_and_clear(s | |
4415 | #define ptep_get_and_clear_full(mm, addr, ptep, full) \ | |
4416 | ((full) ? ({ \ | |
4417 | pte_t __res = *(ptep); \ | |
4418 | - if (test_bit(PG_pinned, &virt_to_page((mm)->pgd)->flags)) \ | |
4419 | + if (PagePinned(virt_to_page((mm)->pgd))) \ | |
4420 | xen_l1_entry_update(ptep, __pte(0)); \ | |
4421 | else \ | |
4422 | *(ptep) = __pte(0); \ | |
4423 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable-3level.h | |
4424 | =================================================================== | |
4425 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pgtable-3level.h 2008-12-01 11:36:13.000000000 +0100 | |
4426 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable-3level.h 2008-12-01 11:36:47.000000000 +0100 | |
4427 | @@ -23,26 +23,11 @@ | |
4428 | #define pud_present(pud) 1 | |
4429 | ||
4430 | /* | |
4431 | - * Is the pte executable? | |
4432 | - */ | |
4433 | -static inline int pte_x(pte_t pte) | |
4434 | -{ | |
4435 | - return !(__pte_val(pte) & _PAGE_NX); | |
4436 | -} | |
4437 | - | |
4438 | -/* | |
4439 | - * All present user-pages with !NX bit are user-executable: | |
4440 | - */ | |
4441 | -static inline int pte_exec(pte_t pte) | |
4442 | -{ | |
4443 | - return pte_user(pte) && pte_x(pte); | |
4444 | -} | |
4445 | -/* | |
4446 | * All present pages with !NX bit are kernel-executable: | |
4447 | */ | |
4448 | static inline int pte_exec_kernel(pte_t pte) | |
4449 | { | |
4450 | - return pte_x(pte); | |
4451 | + return !(__pte_val(pte) & _PAGE_NX); | |
4452 | } | |
4453 | ||
4454 | /* Rules for using set_pte: the pte being assigned *must* be | |
4455 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/processor_32.h | |
4456 | =================================================================== | |
4457 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/processor_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4458 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/processor_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4459 | @@ -89,7 +89,6 @@ struct cpuinfo_x86 { | |
4460 | #define X86_VENDOR_UMC 3 | |
4461 | #define X86_VENDOR_NEXGEN 4 | |
4462 | #define X86_VENDOR_CENTAUR 5 | |
4463 | -#define X86_VENDOR_RISE 6 | |
4464 | #define X86_VENDOR_TRANSMETA 7 | |
4465 | #define X86_VENDOR_NSC 8 | |
4466 | #define X86_VENDOR_NUM 9 | |
4467 | @@ -122,6 +121,7 @@ void __init cpu_detect(struct cpuinfo_x8 | |
4468 | extern void identify_boot_cpu(void); | |
4469 | extern void identify_secondary_cpu(struct cpuinfo_x86 *); | |
4470 | extern void print_cpu_info(struct cpuinfo_x86 *); | |
4471 | +extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); | |
4472 | extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); | |
4473 | extern unsigned short num_cache_leaves; | |
4474 | ||
4475 | @@ -171,17 +171,6 @@ static inline void clear_in_cr4 (unsigne | |
4476 | write_cr4(cr4); | |
4477 | } | |
4478 | ||
4479 | -/* | |
4480 | - * NSC/Cyrix CPU indexed register access macros | |
4481 | - */ | |
4482 | - | |
4483 | -#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); }) | |
4484 | - | |
4485 | -#define setCx86(reg, data) do { \ | |
4486 | - outb((reg), 0x22); \ | |
4487 | - outb((data), 0x23); \ | |
4488 | -} while (0) | |
4489 | - | |
4490 | /* Stop speculative execution */ | |
4491 | static inline void sync_core(void) | |
4492 | { | |
4493 | @@ -230,6 +219,10 @@ extern int bootloader_type; | |
4494 | ||
4495 | #define HAVE_ARCH_PICK_MMAP_LAYOUT | |
4496 | ||
4497 | +extern void hard_disable_TSC(void); | |
4498 | +extern void disable_TSC(void); | |
4499 | +extern void hard_enable_TSC(void); | |
4500 | + | |
4501 | /* | |
4502 | * Size of io_bitmap. | |
4503 | */ | |
4504 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/system_32.h | |
4505 | =================================================================== | |
4506 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/system_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4507 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/system_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4508 | @@ -205,11 +205,6 @@ static inline unsigned long get_limit(un | |
4509 | */ | |
4510 | ||
4511 | ||
4512 | -/* | |
4513 | - * Actually only lfence would be needed for mb() because all stores done | |
4514 | - * by the kernel should be already ordered. But keep a full barrier for now. | |
4515 | - */ | |
4516 | - | |
4517 | #define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) | |
4518 | #define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) | |
4519 | ||
4520 | @@ -301,15 +296,6 @@ void enable_hlt(void); | |
4521 | extern int es7000_plat; | |
4522 | void cpu_idle_wait(void); | |
4523 | ||
4524 | -/* | |
4525 | - * On SMP systems, when the scheduler does migration-cost autodetection, | |
4526 | - * it needs a way to flush as much of the CPU's caches as possible: | |
4527 | - */ | |
4528 | -static inline void sched_cacheflush(void) | |
4529 | -{ | |
4530 | - wbinvd(); | |
4531 | -} | |
4532 | - | |
4533 | extern unsigned long arch_align_stack(unsigned long sp); | |
4534 | extern void free_init_pages(char *what, unsigned long begin, unsigned long end); | |
4535 | ||
4536 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/tlbflush_32.h | |
4537 | =================================================================== | |
4538 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/tlbflush_32.h 2008-12-01 11:36:13.000000000 +0100 | |
4539 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/tlbflush_32.h 2008-12-01 11:36:47.000000000 +0100 | |
4540 | @@ -91,7 +91,11 @@ struct tlb_state | |
4541 | DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate); | |
4542 | #endif /* SMP */ | |
4543 | ||
4544 | -#define flush_tlb_kernel_range(start, end) flush_tlb_all() | |
4545 | +static inline void flush_tlb_kernel_range(unsigned long start, | |
4546 | + unsigned long end) | |
4547 | +{ | |
4548 | + flush_tlb_all(); | |
4549 | +} | |
4550 | ||
4551 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | |
4552 | unsigned long start, unsigned long end) | |
4553 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/fixmap_64.h | |
4554 | =================================================================== | |
4555 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/fixmap_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4556 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/fixmap_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4557 | @@ -23,9 +23,9 @@ | |
4558 | * compile time, but to set the physical address only | |
4559 | * in the boot process. | |
4560 | * | |
4561 | - * these 'compile-time allocated' memory buffers are | |
4562 | - * fixed-size 4k pages. (or larger if used with an increment | |
4563 | - * highger than 1) use fixmap_set(idx,phys) to associate | |
4564 | + * These 'compile-time allocated' memory buffers are | |
4565 | + * fixed-size 4k pages (or larger if used with an increment | |
4566 | + * higher than 1). Use set_fixmap(idx,phys) to associate | |
4567 | * physical memory with fixmap indices. | |
4568 | * | |
4569 | * TLB entries of such buffers will not be flushed across | |
4570 | @@ -36,6 +36,8 @@ enum fixed_addresses { | |
4571 | VSYSCALL_LAST_PAGE, | |
4572 | VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1, | |
4573 | VSYSCALL_HPET, | |
4574 | + FIX_DBGP_BASE, | |
4575 | + FIX_EARLYCON_MEM_BASE, | |
4576 | FIX_HPET_BASE, | |
4577 | #ifdef CONFIG_X86_LOCAL_APIC | |
4578 | FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */ | |
4579 | @@ -105,7 +107,7 @@ static __always_inline unsigned long fix | |
4580 | if (idx >= __end_of_fixed_addresses) | |
4581 | __this_fixmap_does_not_exist(); | |
4582 | ||
4583 | - return __fix_to_virt(idx); | |
4584 | + return __fix_to_virt(idx); | |
4585 | } | |
4586 | ||
4587 | #endif | |
4588 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/io_64.h | |
4589 | =================================================================== | |
4590 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/io_64.h 2008-12-01 11:36:07.000000000 +0100 | |
4591 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/io_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4592 | @@ -162,6 +162,7 @@ extern void bt_iounmap(void *addr, unsig | |
4593 | */ | |
4594 | extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size); | |
4595 | extern void iounmap(volatile void __iomem *addr); | |
4596 | +extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys); | |
4597 | ||
4598 | /* | |
4599 | * ISA I/O bus memory addresses are 1:1 with the physical address. | |
4600 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/mmu_context_64.h | |
4601 | =================================================================== | |
4602 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/mmu_context_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4603 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/mmu_context_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4604 | @@ -76,7 +76,7 @@ static inline void switch_mm(struct mm_s | |
4605 | ||
4606 | if (likely(prev != next)) { | |
4607 | BUG_ON(!xen_feature(XENFEAT_writable_page_tables) && | |
4608 | - !next->context.pinned); | |
4609 | + !PagePinned(virt_to_page(next->pgd))); | |
4610 | ||
4611 | /* stop flush ipis for the previous mm */ | |
4612 | cpu_clear(cpu, prev->cpu_vm_mask); | |
4613 | @@ -131,7 +131,7 @@ static inline void switch_mm(struct mm_s | |
4614 | ||
4615 | static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) | |
4616 | { | |
4617 | - if (!next->context.pinned) | |
4618 | + if (!PagePinned(virt_to_page(next->pgd))) | |
4619 | mm_pin(next); | |
4620 | switch_mm(prev, next, NULL); | |
4621 | } | |
4622 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/page_64.h | |
4623 | =================================================================== | |
4624 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/page_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4625 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/page_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4626 | @@ -72,7 +72,8 @@ void copy_page(void *, void *); | |
4627 | #define clear_user_page(page, vaddr, pg) clear_page(page) | |
4628 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | |
4629 | ||
4630 | -#define alloc_zeroed_user_highpage(vma, vaddr) alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO, vma, vaddr) | |
4631 | +#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ | |
4632 | + alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) | |
4633 | #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE | |
4634 | ||
4635 | /* | |
4636 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pci_64.h | |
4637 | =================================================================== | |
4638 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pci_64.h 2007-09-14 11:14:51.000000000 +0200 | |
4639 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pci_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4640 | @@ -5,6 +5,27 @@ | |
4641 | ||
4642 | #ifdef __KERNEL__ | |
4643 | ||
4644 | +struct pci_sysdata { | |
4645 | + int node; /* NUMA node */ | |
4646 | + void* iommu; /* IOMMU private data */ | |
4647 | +}; | |
4648 | + | |
4649 | +extern struct pci_bus *pci_scan_bus_with_sysdata(int busno); | |
4650 | + | |
4651 | +#ifdef CONFIG_CALGARY_IOMMU | |
4652 | +static inline void* pci_iommu(struct pci_bus *bus) | |
4653 | +{ | |
4654 | + struct pci_sysdata *sd = bus->sysdata; | |
4655 | + return sd->iommu; | |
4656 | +} | |
4657 | + | |
4658 | +static inline void set_pci_iommu(struct pci_bus *bus, void *val) | |
4659 | +{ | |
4660 | + struct pci_sysdata *sd = bus->sysdata; | |
4661 | + sd->iommu = val; | |
4662 | +} | |
4663 | +#endif /* CONFIG_CALGARY_IOMMU */ | |
4664 | + | |
4665 | #include <linux/mm.h> /* for struct page */ | |
4666 | ||
4667 | /* Can be used to override the logic in pci_scan_bus for skipping | |
4668 | @@ -56,14 +77,6 @@ extern int iommu_setup(char *opt); | |
4669 | ||
4670 | #if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU) | |
4671 | ||
4672 | -/* | |
4673 | - * x86-64 always supports DAC, but sometimes it is useful to force | |
4674 | - * devices through the IOMMU to get automatic sg list merging. | |
4675 | - * Optional right now. | |
4676 | - */ | |
4677 | -extern int iommu_sac_force; | |
4678 | -#define pci_dac_dma_supported(pci_dev, mask) (!iommu_sac_force) | |
4679 | - | |
4680 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ | |
4681 | dma_addr_t ADDR_NAME; | |
4682 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ | |
4683 | @@ -97,8 +110,6 @@ extern int iommu_sac_force; | |
4684 | #else | |
4685 | /* No IOMMU */ | |
4686 | ||
4687 | -#define pci_dac_dma_supported(pci_dev, mask) 1 | |
4688 | - | |
4689 | #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) | |
4690 | #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) | |
4691 | #define pci_unmap_addr(PTR, ADDR_NAME) (0) | |
4692 | @@ -110,36 +121,6 @@ extern int iommu_sac_force; | |
4693 | ||
4694 | #include <asm-generic/pci-dma-compat.h> | |
4695 | ||
4696 | -static inline dma64_addr_t | |
4697 | -pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction) | |
4698 | -{ | |
4699 | - return ((dma64_addr_t) page_to_phys(page) + | |
4700 | - (dma64_addr_t) offset); | |
4701 | -} | |
4702 | - | |
4703 | -static inline struct page * | |
4704 | -pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr) | |
4705 | -{ | |
4706 | - return virt_to_page(__va(dma_addr)); | |
4707 | -} | |
4708 | - | |
4709 | -static inline unsigned long | |
4710 | -pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr) | |
4711 | -{ | |
4712 | - return (dma_addr & ~PAGE_MASK); | |
4713 | -} | |
4714 | - | |
4715 | -static inline void | |
4716 | -pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) | |
4717 | -{ | |
4718 | -} | |
4719 | - | |
4720 | -static inline void | |
4721 | -pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction) | |
4722 | -{ | |
4723 | - flush_write_buffers(); | |
4724 | -} | |
4725 | - | |
4726 | #ifdef CONFIG_PCI | |
4727 | static inline void pci_dma_burst_advice(struct pci_dev *pdev, | |
4728 | enum pci_dma_burst_strategy *strat, | |
4729 | @@ -154,10 +135,6 @@ static inline void pci_dma_burst_advice( | |
4730 | extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |
4731 | enum pci_mmap_state mmap_state, int write_combine); | |
4732 | ||
4733 | -static inline void pcibios_add_platform_entries(struct pci_dev *dev) | |
4734 | -{ | |
4735 | -} | |
4736 | - | |
4737 | #endif /* __KERNEL__ */ | |
4738 | ||
4739 | /* generic pci stuff */ | |
4740 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pgalloc_64.h | |
4741 | =================================================================== | |
4742 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pgalloc_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4743 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pgalloc_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4744 | @@ -21,7 +21,7 @@ static inline void pmd_populate_kernel(s | |
4745 | ||
4746 | static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte) | |
4747 | { | |
4748 | - if (unlikely((mm)->context.pinned)) { | |
4749 | + if (unlikely(PagePinned(virt_to_page((mm)->pgd)))) { | |
4750 | BUG_ON(HYPERVISOR_update_va_mapping( | |
4751 | (unsigned long)__va(page_to_pfn(pte) << PAGE_SHIFT), | |
4752 | pfn_pte(page_to_pfn(pte), PAGE_KERNEL_RO), 0)); | |
4753 | @@ -33,7 +33,7 @@ static inline void pmd_populate(struct m | |
4754 | ||
4755 | static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) | |
4756 | { | |
4757 | - if (unlikely((mm)->context.pinned)) { | |
4758 | + if (unlikely(PagePinned(virt_to_page((mm)->pgd)))) { | |
4759 | BUG_ON(HYPERVISOR_update_va_mapping( | |
4760 | (unsigned long)pmd, | |
4761 | pfn_pte(virt_to_phys(pmd)>>PAGE_SHIFT, | |
4762 | @@ -50,7 +50,7 @@ static inline void pud_populate(struct m | |
4763 | */ | |
4764 | static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) | |
4765 | { | |
4766 | - if (unlikely((mm)->context.pinned)) { | |
4767 | + if (unlikely(PagePinned(virt_to_page((mm)->pgd)))) { | |
4768 | BUG_ON(HYPERVISOR_update_va_mapping( | |
4769 | (unsigned long)pud, | |
4770 | pfn_pte(virt_to_phys(pud)>>PAGE_SHIFT, | |
4771 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable_64.h | |
4772 | =================================================================== | |
4773 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/pgtable_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4774 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/pgtable_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4775 | @@ -302,7 +302,7 @@ static inline pte_t ptep_get_and_clear_f | |
4776 | { | |
4777 | if (full) { | |
4778 | pte_t pte = *ptep; | |
4779 | - if (mm->context.pinned) | |
4780 | + if (PagePinned(virt_to_page(mm->pgd))) | |
4781 | xen_l1_entry_update(ptep, __pte(0)); | |
4782 | else | |
4783 | *ptep = __pte(0); | |
4784 | @@ -331,21 +331,15 @@ static inline pte_t ptep_get_and_clear_f | |
4785 | * Undefined behaviour if not.. | |
4786 | */ | |
4787 | #define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) | |
4788 | -static inline int pte_user(pte_t pte) { return __pte_val(pte) & _PAGE_USER; } | |
4789 | -static inline int pte_read(pte_t pte) { return __pte_val(pte) & _PAGE_USER; } | |
4790 | -static inline int pte_exec(pte_t pte) { return !(__pte_val(pte) & _PAGE_NX); } | |
4791 | static inline int pte_dirty(pte_t pte) { return __pte_val(pte) & _PAGE_DIRTY; } | |
4792 | static inline int pte_young(pte_t pte) { return __pte_val(pte) & _PAGE_ACCESSED; } | |
4793 | static inline int pte_write(pte_t pte) { return __pte_val(pte) & _PAGE_RW; } | |
4794 | static inline int pte_file(pte_t pte) { return __pte_val(pte) & _PAGE_FILE; } | |
4795 | static inline int pte_huge(pte_t pte) { return __pte_val(pte) & _PAGE_PSE; } | |
4796 | ||
4797 | -static inline pte_t pte_rdprotect(pte_t pte) { __pte_val(pte) &= ~_PAGE_USER; return pte; } | |
4798 | -static inline pte_t pte_exprotect(pte_t pte) { __pte_val(pte) &= ~_PAGE_USER; return pte; } | |
4799 | static inline pte_t pte_mkclean(pte_t pte) { __pte_val(pte) &= ~_PAGE_DIRTY; return pte; } | |
4800 | static inline pte_t pte_mkold(pte_t pte) { __pte_val(pte) &= ~_PAGE_ACCESSED; return pte; } | |
4801 | static inline pte_t pte_wrprotect(pte_t pte) { __pte_val(pte) &= ~_PAGE_RW; return pte; } | |
4802 | -static inline pte_t pte_mkread(pte_t pte) { __pte_val(pte) |= _PAGE_USER; return pte; } | |
4803 | static inline pte_t pte_mkexec(pte_t pte) { __pte_val(pte) &= ~_PAGE_NX; return pte; } | |
4804 | static inline pte_t pte_mkdirty(pte_t pte) { __pte_val(pte) |= _PAGE_DIRTY; return pte; } | |
4805 | static inline pte_t pte_mkyoung(pte_t pte) { __pte_val(pte) |= _PAGE_ACCESSED; return pte; } | |
4806 | @@ -353,13 +347,6 @@ static inline pte_t pte_mkwrite(pte_t pt | |
4807 | static inline pte_t pte_mkhuge(pte_t pte) { __pte_val(pte) |= _PAGE_PSE; return pte; } | |
4808 | static inline pte_t pte_clrhuge(pte_t pte) { __pte_val(pte) &= ~_PAGE_PSE; return pte; } | |
4809 | ||
4810 | -static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) | |
4811 | -{ | |
4812 | - if (!pte_dirty(*ptep)) | |
4813 | - return 0; | |
4814 | - return test_and_clear_bit(_PAGE_BIT_DIRTY, &ptep->pte); | |
4815 | -} | |
4816 | - | |
4817 | static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) | |
4818 | { | |
4819 | if (!pte_young(*ptep)) | |
4820 | @@ -498,26 +485,13 @@ static inline pte_t pte_modify(pte_t pte | |
4821 | __changed; \ | |
4822 | }) | |
4823 | ||
4824 | -#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH | |
4825 | -#define ptep_clear_flush_dirty(vma, address, ptep) \ | |
4826 | -({ \ | |
4827 | - pte_t __pte = *(ptep); \ | |
4828 | - int __dirty = pte_dirty(__pte); \ | |
4829 | - __pte = pte_mkclean(__pte); \ | |
4830 | - if ((vma)->vm_mm->context.pinned) \ | |
4831 | - (void)ptep_set_access_flags(vma, address, ptep, __pte, __dirty); \ | |
4832 | - else if (__dirty) \ | |
4833 | - set_pte(ptep, __pte); \ | |
4834 | - __dirty; \ | |
4835 | -}) | |
4836 | - | |
4837 | #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH | |
4838 | #define ptep_clear_flush_young(vma, address, ptep) \ | |
4839 | ({ \ | |
4840 | pte_t __pte = *(ptep); \ | |
4841 | int __young = pte_young(__pte); \ | |
4842 | __pte = pte_mkold(__pte); \ | |
4843 | - if ((vma)->vm_mm->context.pinned) \ | |
4844 | + if (PagePinned(virt_to_page((vma)->vm_mm->pgd))) \ | |
4845 | (void)ptep_set_access_flags(vma, address, ptep, __pte, __young); \ | |
4846 | else if (__young) \ | |
4847 | set_pte(ptep, __pte); \ | |
4848 | @@ -568,6 +542,8 @@ int xen_change_pte_range(struct mm_struc | |
4849 | #define arch_change_pte_range(mm, pmd, addr, end, newprot, dirty_accountable) \ | |
4850 | xen_change_pte_range(mm, pmd, addr, end, newprot, dirty_accountable) | |
4851 | ||
4852 | +pte_t *lookup_address(unsigned long addr); | |
4853 | + | |
4854 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | |
4855 | direct_remap_pfn_range(vma,vaddr,pfn,size,prot,DOMID_IO) | |
4856 | ||
4857 | @@ -585,7 +561,6 @@ int xen_change_pte_range(struct mm_struc | |
4858 | (((o) & (1UL << (__VIRTUAL_MASK_SHIFT-1))) ? ((o) | (~__VIRTUAL_MASK)) : (o)) | |
4859 | ||
4860 | #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG | |
4861 | -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY | |
4862 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR | |
4863 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL | |
4864 | #define __HAVE_ARCH_PTEP_CLEAR_FLUSH | |
4865 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/processor_64.h | |
4866 | =================================================================== | |
4867 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/processor_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4868 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/processor_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4869 | @@ -83,7 +83,6 @@ struct cpuinfo_x86 { | |
4870 | #define X86_VENDOR_UMC 3 | |
4871 | #define X86_VENDOR_NEXGEN 4 | |
4872 | #define X86_VENDOR_CENTAUR 5 | |
4873 | -#define X86_VENDOR_RISE 6 | |
4874 | #define X86_VENDOR_TRANSMETA 7 | |
4875 | #define X86_VENDOR_NUM 8 | |
4876 | #define X86_VENDOR_UNKNOWN 0xff | |
4877 | @@ -100,6 +99,7 @@ extern char ignore_irq13; | |
4878 | ||
4879 | extern void identify_cpu(struct cpuinfo_x86 *); | |
4880 | extern void print_cpu_info(struct cpuinfo_x86 *); | |
4881 | +extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); | |
4882 | extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); | |
4883 | extern unsigned short num_cache_leaves; | |
4884 | ||
4885 | @@ -377,12 +377,10 @@ static inline void sync_core(void) | |
4886 | asm volatile("cpuid" : "=a" (tmp) : "0" (1) : "ebx","ecx","edx","memory"); | |
4887 | } | |
4888 | ||
4889 | -#define cpu_has_fpu 1 | |
4890 | - | |
4891 | #define ARCH_HAS_PREFETCH | |
4892 | static inline void prefetch(void *x) | |
4893 | { | |
4894 | - asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); | |
4895 | + asm volatile("prefetcht0 (%0)" :: "r" (x)); | |
4896 | } | |
4897 | ||
4898 | #define ARCH_HAS_PREFETCHW 1 | |
4899 | @@ -400,17 +398,6 @@ static inline void prefetchw(void *x) | |
4900 | ||
4901 | #define cpu_relax() rep_nop() | |
4902 | ||
4903 | -/* | |
4904 | - * NSC/Cyrix CPU indexed register access macros | |
4905 | - */ | |
4906 | - | |
4907 | -#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); }) | |
4908 | - | |
4909 | -#define setCx86(reg, data) do { \ | |
4910 | - outb((reg), 0x22); \ | |
4911 | - outb((data), 0x23); \ | |
4912 | -} while (0) | |
4913 | - | |
4914 | static inline void serialize_cpu(void) | |
4915 | { | |
4916 | __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx"); | |
4917 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/system_64.h | |
4918 | =================================================================== | |
4919 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/system_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4920 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/system_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4921 | @@ -79,12 +79,16 @@ static inline unsigned long read_cr0(voi | |
4922 | unsigned long cr0; | |
4923 | asm volatile("movq %%cr0,%0" : "=r" (cr0)); | |
4924 | return cr0; | |
4925 | -} | |
4926 | +} | |
4927 | ||
4928 | static inline void write_cr0(unsigned long val) | |
4929 | { | |
4930 | asm volatile("movq %0,%%cr0" :: "r" (val)); | |
4931 | -} | |
4932 | +} | |
4933 | + | |
4934 | +#define read_cr2() current_vcpu_info()->arch.cr2 | |
4935 | + | |
4936 | +#define write_cr2(val) ((void)(current_vcpu_info()->arch.cr2 = (val))) | |
4937 | ||
4938 | #define read_cr3() ({ \ | |
4939 | unsigned long __dummy; \ | |
4940 | @@ -103,27 +107,28 @@ static inline unsigned long read_cr4(voi | |
4941 | unsigned long cr4; | |
4942 | asm("movq %%cr4,%0" : "=r" (cr4)); | |
4943 | return cr4; | |
4944 | -} | |
4945 | +} | |
4946 | ||
4947 | static inline void write_cr4(unsigned long val) | |
4948 | { | |
4949 | asm volatile("movq %0,%%cr4" :: "r" (val) : "memory"); | |
4950 | -} | |
4951 | - | |
4952 | -#define stts() (HYPERVISOR_fpu_taskswitch(1)) | |
4953 | +} | |
4954 | ||
4955 | -#define wbinvd() \ | |
4956 | - __asm__ __volatile__ ("wbinvd": : :"memory"); | |
4957 | +static inline unsigned long read_cr8(void) | |
4958 | +{ | |
4959 | + return 0; | |
4960 | +} | |
4961 | ||
4962 | -/* | |
4963 | - * On SMP systems, when the scheduler does migration-cost autodetection, | |
4964 | - * it needs a way to flush as much of the CPU's caches as possible. | |
4965 | - */ | |
4966 | -static inline void sched_cacheflush(void) | |
4967 | +static inline void write_cr8(unsigned long val) | |
4968 | { | |
4969 | - wbinvd(); | |
4970 | + BUG_ON(val); | |
4971 | } | |
4972 | ||
4973 | +#define stts() (HYPERVISOR_fpu_taskswitch(1)) | |
4974 | + | |
4975 | +#define wbinvd() \ | |
4976 | + __asm__ __volatile__ ("wbinvd": : :"memory") | |
4977 | + | |
4978 | #endif /* __KERNEL__ */ | |
4979 | ||
4980 | #define nop() __asm__ __volatile__ ("nop") | |
4981 | Index: head-2008-12-01/include/asm-x86/mach-xen/asm/tlbflush_64.h | |
4982 | =================================================================== | |
4983 | --- head-2008-12-01.orig/include/asm-x86/mach-xen/asm/tlbflush_64.h 2008-12-01 11:36:13.000000000 +0100 | |
4984 | +++ head-2008-12-01/include/asm-x86/mach-xen/asm/tlbflush_64.h 2008-12-01 11:36:47.000000000 +0100 | |
4985 | @@ -89,7 +89,11 @@ static inline void flush_tlb_range(struc | |
4986 | ||
4987 | #endif | |
4988 | ||
4989 | -#define flush_tlb_kernel_range(start, end) flush_tlb_all() | |
4990 | +static inline void flush_tlb_kernel_range(unsigned long start, | |
4991 | + unsigned long end) | |
4992 | +{ | |
4993 | + flush_tlb_all(); | |
4994 | +} | |
4995 | ||
4996 | static inline void flush_tlb_pgtables(struct mm_struct *mm, | |
4997 | unsigned long start, unsigned long end) | |
4998 | Index: head-2008-12-01/include/asm-x86/thread_info.h | |
4999 | =================================================================== | |
5000 | --- head-2008-12-01.orig/include/asm-x86/thread_info.h 2008-12-01 11:28:55.000000000 +0100 | |
5001 | +++ head-2008-12-01/include/asm-x86/thread_info.h 2008-12-01 11:36:47.000000000 +0100 | |
5002 | @@ -150,7 +150,8 @@ struct thread_info { | |
5003 | #define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW | |
5004 | #define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG) | |
5005 | #else | |
5006 | -#define _TIF_WORK_CTXSW _TIF_DEBUG | |
5007 | +#define _TIF_WORK_CTXSW_NEXT (_TIF_NOTSC | _TIF_DEBUG) | |
5008 | +#define _TIF_WORK_CTXSW_PREV (_TIF_NOTSC) | |
5009 | #endif | |
5010 | ||
5011 | #define PREEMPT_ACTIVE 0x10000000 | |
5012 | Index: head-2008-12-01/include/asm-x86/xen/interface.h | |
5013 | =================================================================== | |
5014 | --- head-2008-12-01.orig/include/asm-x86/xen/interface.h 2008-12-01 10:53:14.000000000 +0100 | |
5015 | +++ head-2008-12-01/include/asm-x86/xen/interface.h 2008-12-01 11:36:47.000000000 +0100 | |
5016 | @@ -10,17 +10,17 @@ | |
5017 | #define __ASM_X86_XEN_INTERFACE_H | |
5018 | ||
5019 | #ifdef __XEN__ | |
5020 | -#define __DEFINE_GUEST_HANDLE(name, type) \ | |
5021 | +#define __DEFINE_XEN_GUEST_HANDLE(name, type) \ | |
5022 | typedef struct { type *p; } __guest_handle_ ## name | |
5023 | #else | |
5024 | -#define __DEFINE_GUEST_HANDLE(name, type) \ | |
5025 | +#define __DEFINE_XEN_GUEST_HANDLE(name, type) \ | |
5026 | typedef type * __guest_handle_ ## name | |
5027 | #endif | |
5028 | ||
5029 | -#define DEFINE_GUEST_HANDLE_STRUCT(name) \ | |
5030 | - __DEFINE_GUEST_HANDLE(name, struct name) | |
5031 | -#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name) | |
5032 | -#define GUEST_HANDLE(name) __guest_handle_ ## name | |
5033 | +#define DEFINE_XEN_GUEST_HANDLE_STRUCT(name) \ | |
5034 | + __DEFINE_XEN_GUEST_HANDLE(name, struct name) | |
5035 | +#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name) | |
5036 | +#define XEN_GUEST_HANDLE(name) __guest_handle_ ## name | |
5037 | ||
5038 | #ifdef __XEN__ | |
5039 | #if defined(__i386__) | |
5040 | @@ -47,14 +47,8 @@ | |
5041 | #endif | |
5042 | ||
5043 | #ifndef __ASSEMBLY__ | |
5044 | -/* Guest handles for primitive C types. */ | |
5045 | -__DEFINE_GUEST_HANDLE(uchar, unsigned char); | |
5046 | -__DEFINE_GUEST_HANDLE(uint, unsigned int); | |
5047 | -__DEFINE_GUEST_HANDLE(ulong, unsigned long); | |
5048 | -DEFINE_GUEST_HANDLE(char); | |
5049 | -DEFINE_GUEST_HANDLE(int); | |
5050 | -DEFINE_GUEST_HANDLE(long); | |
5051 | -DEFINE_GUEST_HANDLE(void); | |
5052 | +typedef unsigned long xen_pfn_t; | |
5053 | +typedef unsigned long xen_ulong_t; | |
5054 | #endif | |
5055 | ||
5056 | #ifndef HYPERVISOR_VIRT_START | |
5057 | @@ -103,7 +97,7 @@ struct trap_info { | |
5058 | uint16_t cs; /* code selector */ | |
5059 | unsigned long address; /* code offset */ | |
5060 | }; | |
5061 | -DEFINE_GUEST_HANDLE_STRUCT(trap_info); | |
5062 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(trap_info); | |
5063 | ||
5064 | struct arch_shared_info { | |
5065 | unsigned long max_pfn; /* max pfn that appears in table */ | |
5066 | @@ -157,7 +151,7 @@ struct vcpu_guest_context { | |
5067 | uint64_t gs_base_user; | |
5068 | #endif | |
5069 | }; | |
5070 | -DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context); | |
5071 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(vcpu_guest_context); | |
5072 | #endif /* !__ASSEMBLY__ */ | |
5073 | ||
5074 | /* | |
5075 | Index: head-2008-12-01/include/asm-x86/xen/interface_32.h | |
5076 | =================================================================== | |
5077 | --- head-2008-12-01.orig/include/asm-x86/xen/interface_32.h 2008-12-01 10:53:14.000000000 +0100 | |
5078 | +++ head-2008-12-01/include/asm-x86/xen/interface_32.h 2008-12-01 11:36:47.000000000 +0100 | |
5079 | @@ -62,7 +62,7 @@ struct cpu_user_regs { | |
5080 | uint16_t fs, _pad4; | |
5081 | uint16_t gs, _pad5; | |
5082 | }; | |
5083 | -DEFINE_GUEST_HANDLE_STRUCT(cpu_user_regs); | |
5084 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(cpu_user_regs); | |
5085 | ||
5086 | typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ | |
5087 | ||
5088 | Index: head-2008-12-01/include/linux/elfnote.h | |
5089 | =================================================================== | |
5090 | --- head-2008-12-01.orig/include/linux/elfnote.h 2008-12-01 10:53:14.000000000 +0100 | |
5091 | +++ head-2008-12-01/include/linux/elfnote.h 2008-12-01 11:36:47.000000000 +0100 | |
5092 | @@ -52,7 +52,7 @@ | |
5093 | 4484:.balign 4 ; \ | |
5094 | .popsection ; | |
5095 | ||
5096 | -#define ELFNOTE(name, type, desc) \ | |
5097 | +#define ELFNOTE(name, type, desc...) \ | |
5098 | ELFNOTE_START(name, type, "") \ | |
5099 | desc ; \ | |
5100 | ELFNOTE_END | |
5101 | Index: head-2008-12-01/include/linux/page-flags.h | |
5102 | =================================================================== | |
5103 | --- head-2008-12-01.orig/include/linux/page-flags.h 2008-12-01 11:25:57.000000000 +0100 | |
5104 | +++ head-2008-12-01/include/linux/page-flags.h 2008-12-01 11:36:47.000000000 +0100 | |
5105 | @@ -99,6 +99,10 @@ enum pageflags { | |
5106 | #endif | |
5107 | #ifdef CONFIG_XEN | |
5108 | PG_foreign, /* Page is owned by foreign allocator. */ | |
5109 | + PG_pinned, /* Cannot alias with PG_owner_priv_1 since | |
5110 | + * bad_page() checks include this bit. | |
5111 | + * Also cannot use PG_arch_1 since that now | |
5112 | + * has a different purpose on x86. */ | |
5113 | #endif | |
5114 | __NR_PAGEFLAGS, | |
5115 | ||
5116 | Index: head-2008-12-01/include/linux/skbuff.h | |
5117 | =================================================================== | |
5118 | --- head-2008-12-01.orig/include/linux/skbuff.h 2008-12-01 11:29:05.000000000 +0100 | |
5119 | +++ head-2008-12-01/include/linux/skbuff.h 2008-12-01 11:36:47.000000000 +0100 | |
5120 | @@ -1772,7 +1772,7 @@ static inline void skb_forward_csum(stru | |
5121 | ||
5122 | bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off); | |
5123 | ||
5124 | -#ifdef CONFIG_XEN | |
5125 | +#if defined(CONFIG_XEN) || defined(CONFIG_PARAVIRT_XEN) | |
5126 | int skb_checksum_setup(struct sk_buff *skb); | |
5127 | #else | |
5128 | static inline int skb_checksum_setup(struct sk_buff *skb) { return 0; } | |
5129 | Index: head-2008-12-01/include/xen/driver_util.h | |
5130 | =================================================================== | |
5131 | --- head-2008-12-01.orig/include/xen/driver_util.h 2007-06-12 13:14:19.000000000 +0200 | |
5132 | +++ head-2008-12-01/include/xen/driver_util.h 2008-12-01 11:36:47.000000000 +0100 | |
5133 | @@ -5,10 +5,6 @@ | |
5134 | #include <linux/vmalloc.h> | |
5135 | #include <linux/device.h> | |
5136 | ||
5137 | -/* Allocate/destroy a 'vmalloc' VM area. */ | |
5138 | -extern struct vm_struct *alloc_vm_area(unsigned long size); | |
5139 | -extern void free_vm_area(struct vm_struct *area); | |
5140 | - | |
5141 | extern struct class *get_xen_class(void); | |
5142 | ||
5143 | #endif /* __ASM_XEN_DRIVER_UTIL_H__ */ | |
5144 | Index: head-2008-12-01/include/xen/features.h | |
5145 | =================================================================== | |
5146 | --- head-2008-12-01.orig/include/xen/features.h 2008-12-01 10:53:14.000000000 +0100 | |
5147 | +++ head-2008-12-01/include/xen/features.h 2008-12-01 11:36:47.000000000 +0100 | |
5148 | @@ -10,6 +10,7 @@ | |
5149 | #define __XEN_FEATURES_H__ | |
5150 | ||
5151 | #include <xen/interface/features.h> | |
5152 | +#include <xen/interface/version.h> | |
5153 | ||
5154 | void xen_setup_features(void); | |
5155 | ||
5156 | @@ -20,4 +21,4 @@ static inline int xen_feature(int flag) | |
5157 | return xen_features[flag]; | |
5158 | } | |
5159 | ||
5160 | -#endif /* __ASM_XEN_FEATURES_H__ */ | |
5161 | +#endif /* __XEN_FEATURES_H__ */ | |
5162 | Index: head-2008-12-01/include/xen/interface/arch-x86/xen.h | |
5163 | =================================================================== | |
5164 | --- head-2008-12-01.orig/include/xen/interface/arch-x86/xen.h 2008-09-01 12:07:31.000000000 +0200 | |
5165 | +++ head-2008-12-01/include/xen/interface/arch-x86/xen.h 2008-12-01 11:36:47.000000000 +0100 | |
5166 | @@ -49,6 +49,9 @@ | |
5167 | #define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0) | |
5168 | #endif | |
5169 | ||
5170 | +/* Allow co-existing Linux 2.6.23+ Xen interface definitions. */ | |
5171 | +#define DEFINE_XEN_GUEST_HANDLE_STRUCT(name) struct name | |
5172 | + | |
5173 | #if defined(__i386__) | |
5174 | #include "xen-x86_32.h" | |
5175 | #elif defined(__x86_64__) | |
5176 | Index: head-2008-12-01/include/xen/interface/event_channel.h | |
5177 | =================================================================== | |
5178 | --- head-2008-12-01.orig/include/xen/interface/event_channel.h 2008-12-01 11:22:58.000000000 +0100 | |
5179 | +++ head-2008-12-01/include/xen/interface/event_channel.h 2008-12-01 11:36:47.000000000 +0100 | |
5180 | @@ -248,6 +248,7 @@ struct evtchn_op { | |
5181 | struct evtchn_unmask unmask; | |
5182 | } u; | |
5183 | }; | |
5184 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(evtchn_op); | |
5185 | typedef struct evtchn_op evtchn_op_t; | |
5186 | DEFINE_XEN_GUEST_HANDLE(evtchn_op_t); | |
5187 | ||
5188 | Index: head-2008-12-01/include/xen/interface/io/netif.h | |
5189 | =================================================================== | |
5190 | --- head-2008-12-01.orig/include/xen/interface/io/netif.h 2008-12-01 11:22:58.000000000 +0100 | |
5191 | +++ head-2008-12-01/include/xen/interface/io/netif.h 2008-12-01 11:36:47.000000000 +0100 | |
5192 | @@ -183,8 +183,22 @@ typedef struct netif_rx_response netif_r | |
5193 | * Generate netif ring structures and types. | |
5194 | */ | |
5195 | ||
5196 | +#if defined(CONFIG_XEN) || defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5197 | DEFINE_RING_TYPES(netif_tx, struct netif_tx_request, struct netif_tx_response); | |
5198 | DEFINE_RING_TYPES(netif_rx, struct netif_rx_request, struct netif_rx_response); | |
5199 | +#else | |
5200 | +#define xen_netif_tx_request netif_tx_request | |
5201 | +#define xen_netif_rx_request netif_rx_request | |
5202 | +#define xen_netif_tx_response netif_tx_response | |
5203 | +#define xen_netif_rx_response netif_rx_response | |
5204 | +DEFINE_RING_TYPES(xen_netif_tx, | |
5205 | + struct xen_netif_tx_request, | |
5206 | + struct xen_netif_tx_response); | |
5207 | +DEFINE_RING_TYPES(xen_netif_rx, | |
5208 | + struct xen_netif_rx_request, | |
5209 | + struct xen_netif_rx_response); | |
5210 | +#define xen_netif_extra_info netif_extra_info | |
5211 | +#endif | |
5212 | ||
5213 | #define NETIF_RSP_DROPPED -2 | |
5214 | #define NETIF_RSP_ERROR -1 | |
5215 | Index: head-2008-12-01/include/xen/interface/memory.h | |
5216 | =================================================================== | |
5217 | --- head-2008-12-01.orig/include/xen/interface/memory.h 2008-12-01 11:22:59.000000000 +0100 | |
5218 | +++ head-2008-12-01/include/xen/interface/memory.h 2008-12-01 11:36:47.000000000 +0100 | |
5219 | @@ -82,6 +82,7 @@ struct xen_memory_reservation { | |
5220 | domid_t domid; | |
5221 | ||
5222 | }; | |
5223 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(xen_memory_reservation); | |
5224 | typedef struct xen_memory_reservation xen_memory_reservation_t; | |
5225 | DEFINE_XEN_GUEST_HANDLE(xen_memory_reservation_t); | |
5226 | ||
5227 | @@ -175,6 +176,7 @@ struct xen_machphys_mfn_list { | |
5228 | */ | |
5229 | unsigned int nr_extents; | |
5230 | }; | |
5231 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(xen_machphys_mfn_list); | |
5232 | typedef struct xen_machphys_mfn_list xen_machphys_mfn_list_t; | |
5233 | DEFINE_XEN_GUEST_HANDLE(xen_machphys_mfn_list_t); | |
5234 | ||
5235 | @@ -214,6 +216,7 @@ struct xen_add_to_physmap { | |
5236 | /* GPFN where the source mapping page should appear. */ | |
5237 | xen_pfn_t gpfn; | |
5238 | }; | |
5239 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(xen_add_to_physmap); | |
5240 | typedef struct xen_add_to_physmap xen_add_to_physmap_t; | |
5241 | DEFINE_XEN_GUEST_HANDLE(xen_add_to_physmap_t); | |
5242 | ||
5243 | @@ -254,6 +257,7 @@ struct xen_translate_gpfn_list { | |
5244 | */ | |
5245 | XEN_GUEST_HANDLE(xen_pfn_t) mfn_list; | |
5246 | }; | |
5247 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(xen_translate_gpfn_list); | |
5248 | typedef struct xen_translate_gpfn_list xen_translate_gpfn_list_t; | |
5249 | DEFINE_XEN_GUEST_HANDLE(xen_translate_gpfn_list_t); | |
5250 | ||
5251 | Index: head-2008-12-01/include/xen/interface/sched.h | |
5252 | =================================================================== | |
5253 | --- head-2008-12-01.orig/include/xen/interface/sched.h 2008-12-01 11:22:59.000000000 +0100 | |
5254 | +++ head-2008-12-01/include/xen/interface/sched.h 2008-12-01 11:36:47.000000000 +0100 | |
5255 | @@ -67,6 +67,7 @@ | |
5256 | struct sched_shutdown { | |
5257 | unsigned int reason; /* SHUTDOWN_* */ | |
5258 | }; | |
5259 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(sched_shutdown); | |
5260 | typedef struct sched_shutdown sched_shutdown_t; | |
5261 | DEFINE_XEN_GUEST_HANDLE(sched_shutdown_t); | |
5262 | ||
5263 | @@ -81,6 +82,7 @@ struct sched_poll { | |
5264 | unsigned int nr_ports; | |
5265 | uint64_t timeout; | |
5266 | }; | |
5267 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(sched_poll); | |
5268 | typedef struct sched_poll sched_poll_t; | |
5269 | DEFINE_XEN_GUEST_HANDLE(sched_poll_t); | |
5270 | ||
5271 | Index: head-2008-12-01/include/xen/interface/version.h | |
5272 | =================================================================== | |
5273 | --- head-2008-12-01.orig/include/xen/interface/version.h 2008-12-01 11:22:59.000000000 +0100 | |
5274 | +++ head-2008-12-01/include/xen/interface/version.h 2008-12-01 11:36:47.000000000 +0100 | |
5275 | @@ -36,6 +36,9 @@ | |
5276 | /* arg == xen_extraversion_t. */ | |
5277 | #define XENVER_extraversion 1 | |
5278 | typedef char xen_extraversion_t[16]; | |
5279 | +struct xen_extraversion { | |
5280 | + xen_extraversion_t extraversion; | |
5281 | +}; | |
5282 | #define XEN_EXTRAVERSION_LEN (sizeof(xen_extraversion_t)) | |
5283 | ||
5284 | /* arg == xen_compile_info_t. */ | |
5285 | @@ -50,10 +53,16 @@ typedef struct xen_compile_info xen_comp | |
5286 | ||
5287 | #define XENVER_capabilities 3 | |
5288 | typedef char xen_capabilities_info_t[1024]; | |
5289 | +struct xen_capabilities_info { | |
5290 | + xen_capabilities_info_t info; | |
5291 | +}; | |
5292 | #define XEN_CAPABILITIES_INFO_LEN (sizeof(xen_capabilities_info_t)) | |
5293 | ||
5294 | #define XENVER_changeset 4 | |
5295 | typedef char xen_changeset_info_t[64]; | |
5296 | +struct xen_changeset_info { | |
5297 | + xen_changeset_info_t info; | |
5298 | +}; | |
5299 | #define XEN_CHANGESET_INFO_LEN (sizeof(xen_changeset_info_t)) | |
5300 | ||
5301 | #define XENVER_platform_parameters 5 | |
5302 | Index: head-2008-12-01/include/xen/interface/xen.h | |
5303 | =================================================================== | |
5304 | --- head-2008-12-01.orig/include/xen/interface/xen.h 2008-12-01 11:22:59.000000000 +0100 | |
5305 | +++ head-2008-12-01/include/xen/interface/xen.h 2008-12-01 11:36:47.000000000 +0100 | |
5306 | @@ -32,7 +32,9 @@ | |
5307 | #include <asm/pvclock-abi.h> | |
5308 | #endif | |
5309 | ||
5310 | -#if defined(__i386__) || defined(__x86_64__) | |
5311 | +#if defined(CONFIG_PARAVIRT_XEN) && !defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5312 | +#include <asm/xen/interface.h> | |
5313 | +#elif defined(__i386__) || defined(__x86_64__) | |
5314 | #include "arch-x86/xen.h" | |
5315 | #elif defined(__ia64__) | |
5316 | #include "arch-ia64.h" | |
5317 | @@ -110,7 +112,7 @@ DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); | |
5318 | */ | |
5319 | ||
5320 | /* New sched_op hypercall introduced in 0x00030101. */ | |
5321 | -#if __XEN_INTERFACE_VERSION__ < 0x00030101 | |
5322 | +#if __XEN_INTERFACE_VERSION__ < 0x00030101 || (defined(CONFIG_PARAVIRT_XEN) && !defined(HAVE_XEN_PLATFORM_COMPAT_H)) | |
5323 | #undef __HYPERVISOR_sched_op | |
5324 | #define __HYPERVISOR_sched_op __HYPERVISOR_sched_op_compat | |
5325 | #endif | |
5326 | @@ -124,7 +126,7 @@ DEFINE_XEN_GUEST_HANDLE(xen_pfn_t); | |
5327 | #endif | |
5328 | ||
5329 | /* New platform_op hypercall introduced in 0x00030204. */ | |
5330 | -#if __XEN_INTERFACE_VERSION__ < 0x00030204 | |
5331 | +#if __XEN_INTERFACE_VERSION__ < 0x00030204 || (defined(CONFIG_PARAVIRT_XEN) && !defined(HAVE_XEN_PLATFORM_COMPAT_H)) | |
5332 | #define __HYPERVISOR_dom0_op __HYPERVISOR_platform_op | |
5333 | #endif | |
5334 | ||
5335 | @@ -283,6 +285,7 @@ struct mmuext_op { | |
5336 | xen_pfn_t src_mfn; | |
5337 | } arg2; | |
5338 | }; | |
5339 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(mmuext_op); | |
5340 | typedef struct mmuext_op mmuext_op_t; | |
5341 | DEFINE_XEN_GUEST_HANDLE(mmuext_op_t); | |
5342 | #endif | |
5343 | @@ -365,6 +368,7 @@ struct mmu_update { | |
5344 | uint64_t ptr; /* Machine address of PTE. */ | |
5345 | uint64_t val; /* New contents of PTE. */ | |
5346 | }; | |
5347 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(mmu_update); | |
5348 | typedef struct mmu_update mmu_update_t; | |
5349 | DEFINE_XEN_GUEST_HANDLE(mmu_update_t); | |
5350 | ||
5351 | @@ -373,9 +377,15 @@ DEFINE_XEN_GUEST_HANDLE(mmu_update_t); | |
5352 | * NB. The fields are natural register size for this architecture. | |
5353 | */ | |
5354 | struct multicall_entry { | |
5355 | - unsigned long op, result; | |
5356 | + unsigned long op; | |
5357 | +#if !defined(CONFIG_PARAVIRT_XEN) || defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5358 | + unsigned long result; | |
5359 | +#else | |
5360 | + long result; | |
5361 | +#endif | |
5362 | unsigned long args[6]; | |
5363 | }; | |
5364 | +DEFINE_XEN_GUEST_HANDLE_STRUCT(multicall_entry); | |
5365 | typedef struct multicall_entry multicall_entry_t; | |
5366 | DEFINE_XEN_GUEST_HANDLE(multicall_entry_t); | |
5367 | ||
5368 | Index: head-2008-12-01/include/xen/xenbus.h | |
5369 | =================================================================== | |
5370 | --- head-2008-12-01.orig/include/xen/xenbus.h 2008-12-01 11:36:07.000000000 +0100 | |
5371 | +++ head-2008-12-01/include/xen/xenbus.h 2008-12-01 11:36:47.000000000 +0100 | |
5372 | @@ -57,16 +57,20 @@ struct xenbus_watch | |
5373 | void (*callback)(struct xenbus_watch *, | |
5374 | const char **vec, unsigned int len); | |
5375 | ||
5376 | +#if defined(CONFIG_XEN) || defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5377 | /* See XBWF_ definitions below. */ | |
5378 | unsigned long flags; | |
5379 | +#endif | |
5380 | }; | |
5381 | ||
5382 | +#if defined(CONFIG_XEN) || defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5383 | /* | |
5384 | * Execute callback in its own kthread. Useful if the callback is long | |
5385 | * running or heavily serialised, to avoid taking out the main xenwatch thread | |
5386 | * for a long period of time (or even unwittingly causing a deadlock). | |
5387 | */ | |
5388 | #define XBWF_new_thread 1 | |
5389 | +#endif | |
5390 | ||
5391 | /* A xenbus device. */ | |
5392 | struct xenbus_device { | |
5393 | @@ -214,6 +218,7 @@ int xenbus_watch_path(struct xenbus_devi | |
5394 | const char **, unsigned int)); | |
5395 | ||
5396 | ||
5397 | +#if defined(CONFIG_XEN) || defined(HAVE_XEN_PLATFORM_COMPAT_H) | |
5398 | /** | |
5399 | * Register a watch on the given path/path2, using the given xenbus_watch | |
5400 | * structure for storage, and the given callback function as the callback. | |
5401 | @@ -227,7 +232,13 @@ int xenbus_watch_path2(struct xenbus_dev | |
5402 | const char *path2, struct xenbus_watch *watch, | |
5403 | void (*callback)(struct xenbus_watch *, | |
5404 | const char **, unsigned int)); | |
5405 | - | |
5406 | +#else | |
5407 | +int xenbus_watch_pathfmt(struct xenbus_device *dev, struct xenbus_watch *watch, | |
5408 | + void (*callback)(struct xenbus_watch *, | |
5409 | + const char **, unsigned int), | |
5410 | + const char *pathfmt, ...) | |
5411 | + __attribute__ ((format (printf, 4, 5))); | |
5412 | +#endif | |
5413 | ||
5414 | /** | |
5415 | * Advertise in the store a change of the given driver to the given new_state. | |
5416 | Index: head-2008-12-01/net/core/dev.c | |
5417 | =================================================================== | |
5418 | --- head-2008-12-01.orig/net/core/dev.c 2008-12-01 11:36:13.000000000 +0100 | |
5419 | +++ head-2008-12-01/net/core/dev.c 2008-12-01 11:36:47.000000000 +0100 | |
5420 | @@ -131,7 +131,7 @@ | |
5421 | ||
5422 | #include "net-sysfs.h" | |
5423 | ||
5424 | -#ifdef CONFIG_XEN | |
5425 | +#if defined(CONFIG_XEN) || defined(CONFIG_PARAVIRT_XEN) | |
5426 | #include <net/ip.h> | |
5427 | #include <linux/tcp.h> | |
5428 | #include <linux/udp.h> | |
5429 | @@ -1740,42 +1740,54 @@ static struct netdev_queue *dev_pick_tx( | |
5430 | return netdev_get_tx_queue(dev, queue_index); | |
5431 | } | |
5432 | ||
5433 | -#ifdef CONFIG_XEN | |
5434 | +#if defined(CONFIG_XEN) || defined(CONFIG_PARAVIRT_XEN) | |
5435 | inline int skb_checksum_setup(struct sk_buff *skb) | |
5436 | { | |
5437 | - if (skb->proto_csum_blank) { | |
5438 | - struct iphdr *iph; | |
5439 | - unsigned char *th; | |
5440 | + struct iphdr *iph; | |
5441 | + unsigned char *th; | |
5442 | + int err = -EPROTO; | |
5443 | ||
5444 | - if (skb->protocol != htons(ETH_P_IP)) | |
5445 | - goto out; | |
5446 | - iph = ip_hdr(skb); | |
5447 | - th = skb_network_header(skb) + 4 * iph->ihl; | |
5448 | - if (th >= skb_tail_pointer(skb)) | |
5449 | - goto out; | |
5450 | - skb->csum_start = th - skb->head; | |
5451 | - switch (iph->protocol) { | |
5452 | - case IPPROTO_TCP: | |
5453 | - skb->csum_offset = offsetof(struct tcphdr, check); | |
5454 | - break; | |
5455 | - case IPPROTO_UDP: | |
5456 | - skb->csum_offset = offsetof(struct udphdr, check); | |
5457 | - break; | |
5458 | - default: | |
5459 | - if (net_ratelimit()) | |
5460 | - printk(KERN_ERR "Attempting to checksum a non-" | |
5461 | - "TCP/UDP packet, dropping a protocol" | |
5462 | - " %d packet", iph->protocol); | |
5463 | - goto out; | |
5464 | - } | |
5465 | - if ((th + skb->csum_offset + 2) > skb_tail_pointer(skb)) | |
5466 | - goto out; | |
5467 | - skb->ip_summed = CHECKSUM_PARTIAL; | |
5468 | - skb->proto_csum_blank = 0; | |
5469 | +#ifdef CONFIG_XEN | |
5470 | + if (!skb->proto_csum_blank) | |
5471 | + return 0; | |
5472 | +#endif | |
5473 | + | |
5474 | + if (skb->protocol != htons(ETH_P_IP)) | |
5475 | + goto out; | |
5476 | + | |
5477 | + iph = ip_hdr(skb); | |
5478 | + th = skb_network_header(skb) + 4 * iph->ihl; | |
5479 | + if (th >= skb_tail_pointer(skb)) | |
5480 | + goto out; | |
5481 | + | |
5482 | + skb->csum_start = th - skb->head; | |
5483 | + switch (iph->protocol) { | |
5484 | + case IPPROTO_TCP: | |
5485 | + skb->csum_offset = offsetof(struct tcphdr, check); | |
5486 | + break; | |
5487 | + case IPPROTO_UDP: | |
5488 | + skb->csum_offset = offsetof(struct udphdr, check); | |
5489 | + break; | |
5490 | + default: | |
5491 | + if (net_ratelimit()) | |
5492 | + printk(KERN_ERR "Attempting to checksum a non-" | |
5493 | + "TCP/UDP packet, dropping a protocol" | |
5494 | + " %d packet", iph->protocol); | |
5495 | + goto out; | |
5496 | } | |
5497 | - return 0; | |
5498 | + | |
5499 | + if ((th + skb->csum_offset + 2) > skb_tail_pointer(skb)) | |
5500 | + goto out; | |
5501 | + | |
5502 | +#ifdef CONFIG_XEN | |
5503 | + skb->ip_summed = CHECKSUM_PARTIAL; | |
5504 | + skb->proto_csum_blank = 0; | |
5505 | +#endif | |
5506 | + | |
5507 | + err = 0; | |
5508 | + | |
5509 | out: | |
5510 | - return -EPROTO; | |
5511 | + return err; | |
5512 | } | |
5513 | EXPORT_SYMBOL(skb_checksum_setup); | |
5514 | #endif |