From: Joerg Roedel <joerg.roedel@xxxxxxx>
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: 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 0904c11..609f661 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -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)
--
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