[Xen-changelog] [xen-unstable] hvm svm: Initialise VMCB CR4 and shadow CR4 with 0 when VMCB is being

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1175017985 -3600
# Node ID c489a25c9f9a68268728ffdb33176759763b1cd5
# Parent  faf0a055aa92c5967e8ef2e3dc2bb04afe5d75ba
hvm svm: Initialise VMCB CR4 and shadow CR4 with 0 when VMCB is being
constructed under nested paging mode. It complies with recent
reset_to_realmode change in hvmloader.
Signed-off-by: Wei Huang <wei.huang2@xxxxxxx>
---
 xen/arch/x86/hvm/svm/vmcb.c |    1 +
 1 files changed, 1 insertion(+)

diff -r faf0a055aa92 -r c489a25c9f9a xen/arch/x86/hvm/svm/vmcb.c
--- a/xen/arch/x86/hvm/svm/vmcb.c       Tue Mar 27 18:51:07 2007 +0100
+++ b/xen/arch/x86/hvm/svm/vmcb.c       Tue Mar 27 18:53:05 2007 +0100
@@ -203,6 +203,7 @@ static int construct_vmcb(struct vcpu *v
         vmcb->g_pat = 0x0007040600070406ULL; /* guest PAT */
         vmcb->exception_intercepts &= ~EXCEPTION_BITMAP_PG;
         vmcb->h_cr3 = pagetable_get_paddr(v->domain->arch.phys_table);
+        vmcb->cr4 = arch_svm->cpu_shadow_cr4 = 0;
     }
 
     return 0;

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