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[Xen-changelog] [xen-3.1-testing] vmx: Fix crash during domain destruction after apic-access cleanup patch.



# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1198857643 0
# Node ID 023e7a1d43fafc8d2c1bcef814892e2b6941ccea
# Parent  af903633d986d0aaf7f5ce04c456e0ab002a9560
vmx: Fix crash during domain destruction after apic-access cleanup patch.
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vmx.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r af903633d986 -r 023e7a1d43fa xen/arch/x86/hvm/vmx/vmx.c
--- a/xen/arch/x86/hvm/vmx/vmx.c        Fri Dec 28 15:52:50 2007 +0000
+++ b/xen/arch/x86/hvm/vmx/vmx.c        Fri Dec 28 16:00:43 2007 +0000
@@ -2672,7 +2672,7 @@ static void vmx_free_vlapic_mapping(stru
 static void vmx_free_vlapic_mapping(struct domain *d)
 {
     unsigned long mfn = d->arch.hvm_domain.vmx_apic_access_mfn;
-    if ( mfn != 0 )
+    if ( (mfn != 0) && mfn_valid(mfn) )
         free_xenheap_page(mfn_to_virt(mfn));
 }
 

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