Commit b2747166 authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

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: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent decdbf6a

arch/x86/kvm/svm.c

+3 −0
Original line number Diff line number Diff line
@@ -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;