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Commit 116a0a23 authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: SVM: Add clean-bit for intercetps, tsc-offset and pause filter count 



This patch adds the clean-bit for intercepts-vectors, the
TSC offset and the pause-filter count to the appropriate
places. The IO and MSR permission bitmaps are not subject to
this bit.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 8d28fec4

arch/x86/kvm/svm.c

+7 −0
Original line number Diff line number Diff line
@@ -186,6 +186,8 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, 
				      bool has_error_code, u32 error_code);



enum {

	VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,

			    pause filter count */

	VMCB_DIRTY_MAX,

};
@@ -217,6 +219,8 @@ static void recalc_intercepts(struct vcpu_svm *svm) 
	struct vmcb_control_area *c, *h;

	struct nested_state *g;



	mark_dirty(svm->vmcb, VMCB_INTERCEPTS);



	if (!is_guest_mode(&svm->vcpu))

		return;
@@ -854,6 +858,8 @@ static void svm_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) 
	}



	svm->vmcb->control.tsc_offset = offset + g_tsc_offset;



	mark_dirty(svm->vmcb, VMCB_INTERCEPTS);

}



static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment)
@@ -863,6 +869,7 @@ static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment) 
	svm->vmcb->control.tsc_offset += adjustment;

	if (is_guest_mode(vcpu))

		svm->nested.hsave->control.tsc_offset += adjustment;

	mark_dirty(svm->vmcb, VMCB_INTERCEPTS);

}



static void init_vmcb(struct vcpu_svm *svm)