[Xen-changelog] [xen-3.2-testing] shadow: Fix TLB flushing in the second pass of sh_prealloc() in the

["Xen patchbot-3.2-testing" <patchbot-3.2-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1209126496 -3600
# Node ID a37f46528d38b6e7a2eb3b13f4bd0031141add40
# Parent  e50cf810ef17c124b4d89b9849e4d7f4c271357c
shadow: Fix TLB flushing in the second pass of sh_prealloc() in the
case where multiple vcpus use the same pagetables.

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
xen-unstable changeset:   17520:7689e311f3b5ee4a4d547405c73e40ab689875f0
xen-unstable date:        Fri Apr 25 13:27:19 2008 +0100
---
 xen/arch/x86/mm/shadow/common.c |    4 +---
 1 files changed, 1 insertion(+), 3 deletions(-)

diff -r e50cf810ef17 -r a37f46528d38 xen/arch/x86/mm/shadow/common.c
--- a/xen/arch/x86/mm/shadow/common.c   Wed Apr 23 09:17:14 2008 +0100
+++ b/xen/arch/x86/mm/shadow/common.c   Fri Apr 25 13:28:16 2008 +0100
@@ -801,7 +801,6 @@ static void _shadow_prealloc(
     struct vcpu *v, *v2;
     struct list_head *l, *t;
     struct shadow_page_info *sp;
-    cpumask_t flushmask = CPU_MASK_NONE;
     mfn_t smfn;
     int i;
 
@@ -839,12 +838,11 @@ static void _shadow_prealloc(
             {
                 shadow_unhook_mappings(v, 
                                pagetable_get_mfn(v2->arch.shadow_table[i]));
-                cpus_or(flushmask, v2->vcpu_dirty_cpumask, flushmask);
 
                 /* See if that freed up enough space */
                 if ( space_is_available(d, order, count) )
                 {
-                    flush_tlb_mask(flushmask);
+                    flush_tlb_mask(d->domain_dirty_cpumask);
                     return;
                 }
             }

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