From b2747166dc315b31281fb659a5b8938873d5f1d7 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 3 Dec 2010 11:45:53 +0100 Subject: [PATCH] KVM: SVM: Add clean-bit for NPT state This patch implements the clean-bit for all nested paging related state in the vmcb. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 748569ef8505..5038201d6f3d 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -191,6 +191,7 @@ enum { VMCB_PERM_MAP, /* IOPM Base and MSRPM Base */ VMCB_ASID, /* ASID */ VMCB_INTR, /* int_ctl, int_vector */ + VMCB_NPT, /* npt_en, nCR3, gPAT */ VMCB_DIRTY_MAX, }; @@ -1749,6 +1750,7 @@ static void nested_svm_set_tdp_cr3(struct kvm_vcpu *vcpu, struct vcpu_svm *svm = to_svm(vcpu); svm->vmcb->control.nested_cr3 = root; + mark_dirty(svm->vmcb, VMCB_NPT); force_new_asid(vcpu); } @@ -3555,6 +3557,7 @@ static void set_tdp_cr3(struct kvm_vcpu *vcpu, unsigned long root) struct vcpu_svm *svm = to_svm(vcpu); svm->vmcb->control.nested_cr3 = root; + mark_dirty(svm->vmcb, VMCB_NPT); /* Also sync guest cr3 here in case we live migrate */ svm->vmcb->save.cr3 = vcpu->arch.cr3;