Updated xen patches taken from suse.

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.25 / patches.xen / xen3-patch-2.6.27.4-5

diff --git a/src/patches/suse-2.6.27.25/patches.xen/xen3-patch-2.6.27.4-5 b/src/patches/suse-2.6.27.25/patches.xen/xen3-patch-2.6.27.4-5
new file mode 100644 (file)
index 0000000..cde9de0
--- /dev/null
+++ b/src/patches/suse-2.6.27.25/patches.xen/xen3-patch-2.6.27.4-5
@@ -0,0 +1,49 @@
+From: Greg Kroah-Hartman <gregkh@suse.de>
+Subject: Linux 2.6.27.5
+
+Upstream 2.6.27.5 release from kernel.org
+
+Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
+
+Automatically created from "patches.kernel.org/patch-2.6.27.4-5" by xen-port-patches.py
+
+Index: head-2008-11-25/arch/x86/kernel/process_64-xen.c
+===================================================================
+--- head-2008-11-25.orig/arch/x86/kernel/process_64-xen.c      2008-11-25 13:34:32.000000000 +0100
++++ head-2008-11-25/arch/x86/kernel/process_64-xen.c   2008-11-10 12:12:28.000000000 +0100
+@@ -786,12 +786,12 @@ unsigned long get_wchan(struct task_stru
+       if (!p || p == current || p->state==TASK_RUNNING)
+               return 0; 
+       stack = (unsigned long)task_stack_page(p);
+-      if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE)
++      if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
+               return 0;
+       fp = *(u64 *)(p->thread.sp);
+       do { 
+               if (fp < (unsigned long)stack ||
+-                  fp > (unsigned long)stack+THREAD_SIZE)
++                  fp >= (unsigned long)stack+THREAD_SIZE)
+                       return 0; 
+               ip = *(u64 *)(fp+8);
+               if (!in_sched_functions(ip))
+Index: head-2008-11-25/arch/x86/mm/pat-xen.c
+===================================================================
+--- head-2008-11-25.orig/arch/x86/mm/pat-xen.c 2008-11-27 09:35:47.000000000 +0100
++++ head-2008-11-25/arch/x86/mm/pat-xen.c      2008-11-27 09:36:36.000000000 +0100
+@@ -415,12 +415,16 @@ static inline int range_is_allowed(unsig
+       return 1;
+ }
+ #else
++/* This check is needed to avoid cache aliasing when PAT is enabled */
+ static inline int range_is_allowed(unsigned long mfn, unsigned long size)
+ {
+       u64 from = ((u64)mfn) << PAGE_SHIFT;
+       u64 to = from + size;
+       u64 cursor = from;
+ 
++      if (!pat_enabled)
++              return 1;
++
+       while (cursor < to) {
+               if (!devmem_is_allowed(mfn)) {
+                       printk(KERN_INFO