]> git.ipfire.org Git - people/pmueller/ipfire-2.x.git/blobdiff - src/patches/suse-2.6.27.31/patches.xen/xen-x86-no-lazy-tlb
Move xen patchset to new version's subdir.
[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.31 / patches.xen / xen-x86-no-lazy-tlb
diff --git a/src/patches/suse-2.6.27.31/patches.xen/xen-x86-no-lazy-tlb b/src/patches/suse-2.6.27.31/patches.xen/xen-x86-no-lazy-tlb
new file mode 100644 (file)
index 0000000..03c655b
--- /dev/null
@@ -0,0 +1,57 @@
+From: jbeulich@novell.com
+Subject: ensure inadvertent uses of lazy TLB data are caught during the build
+Patch-mainline: obsolete
+
+Index: head-2008-11-17/arch/x86/kernel/cpu/common_64-xen.c
+===================================================================
+--- head-2008-11-17.orig/arch/x86/kernel/cpu/common_64-xen.c   2008-11-17 14:06:21.000000000 +0100
++++ head-2008-11-17/arch/x86/kernel/cpu/common_64-xen.c        2008-11-17 14:07:10.000000000 +0100
+@@ -557,8 +557,10 @@ void pda_init(int cpu)
+       pda->irqcount = -1;
+       pda->kernelstack = (unsigned long)stack_thread_info() -
+                                PDA_STACKOFFSET + THREAD_SIZE;
++#ifndef CONFIG_XEN
+       pda->active_mm = &init_mm;
+       pda->mmu_state = 0;
++#endif
+       if (cpu == 0) {
+               /* others are initialized in smpboot.c */
+Index: head-2008-11-17/include/asm-x86/mach-xen/asm/tlbflush.h
+===================================================================
+--- head-2008-11-17.orig/include/asm-x86/mach-xen/asm/tlbflush.h       2008-11-17 13:41:59.000000000 +0100
++++ head-2008-11-17/include/asm-x86/mach-xen/asm/tlbflush.h    2008-11-17 14:07:10.000000000 +0100
+@@ -82,6 +82,7 @@ static inline void flush_tlb_range(struc
+       flush_tlb_mm(vma->vm_mm);
+ }
++#ifndef CONFIG_XEN
+ #define TLBSTATE_OK   1
+ #define TLBSTATE_LAZY 2
+@@ -93,6 +94,7 @@ struct tlb_state {
+ };
+ DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
+ #endif
++#endif
+ #endif        /* SMP */
+Index: head-2008-11-17/include/asm-x86/pda.h
+===================================================================
+--- head-2008-11-17.orig/include/asm-x86/pda.h 2008-11-17 13:15:55.000000000 +0100
++++ head-2008-11-17/include/asm-x86/pda.h      2008-11-17 14:07:10.000000000 +0100
+@@ -26,9 +26,13 @@ struct x8664_pda {
+       short in_bootmem;               /* pda lives in bootmem */
+       unsigned int __softirq_pending;
+       unsigned int __nmi_count;       /* number of NMI on this CPUs */
++#ifndef CONFIG_XEN
+       short mmu_state;
+       short isidle;
+       struct mm_struct *active_mm;
++#else
++      short isidle;
++#endif
+       unsigned apic_timer_irqs;
+       unsigned irq0_irqs;
+       unsigned irq_resched_count;