[Xen-changelog] [xen-3.1-testing] shadow: Fix TLB flushing in the second pass of sh_prealloc() in the

["Xen patchbot-3.1-testing" <patchbot-3.1-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1209126554 -3600
# Node ID d0eab33fec36f0b611a6eae86cd1aa4afb14c03b
# Parent  6366c46d4812b0f996a8501d4000aa30c46b2623
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 6366c46d4812 -r d0eab33fec36 xen/arch/x86/mm/shadow/common.c
--- a/xen/arch/x86/mm/shadow/common.c   Wed Apr 23 09:19:00 2008 +0100
+++ b/xen/arch/x86/mm/shadow/common.c   Fri Apr 25 13:29:14 2008 +0100
@@ -834,7 +834,6 @@ void shadow_prealloc(struct domain *d, u
     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;
 
@@ -871,12 +870,11 @@ void shadow_prealloc(struct domain *d, u
             {
                 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 a chunk of appropriate size */
                 if ( chunk_is_available(d, order) ) 
                 {
-                    flush_tlb_mask(flushmask);
+                    flush_tlb_mask(d->domain_dirty_cpumask);
                     return;
                 }
             }

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