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KVM: SVM: Add clean-bit for NPT state

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This patch implements the clean-bit for all nested paging
related state in the vmcb.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel 2010-12-03 11:45:53 +01:00 committed by Avi Kivity
parent decdbf6a4c
commit b2747166dc
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/svm.c
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@ -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;