From a84bf3595a227056bdd5a6a52dbf3a9224e58a99 Mon Sep 17 00:00:00 2001 From: "kfraser@localhost.localdomain" Date: Tue, 27 Mar 2007 18:53:05 +0100 Subject: [PATCH] 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 --- xen/arch/x86/hvm/svm/vmcb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/svm/vmcb.c b/xen/arch/x86/hvm/svm/vmcb.c index 446ddbb968..db84bcd8b1 100644 --- a/xen/arch/x86/hvm/svm/vmcb.c +++ b/xen/arch/x86/hvm/svm/vmcb.c @@ -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; -- 2.30.2