From: Joerg Roedel <joerg.roedel@xxxxxxx>
This patch implements the clean-bit for all nested paging
related state in the vmcb.
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index b98092d..2a63dfa 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);
}
@@ -3553,6 +3555,7 @@ 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;
--
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