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

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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@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel 2010-12-03 11:45:49 +01:00 committed by Avi Kivity
parent 8d28fec406
commit 116a0a2367
1 changed files with 7 additions and 0 deletions
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7
arch/x86/kvm/svm.c
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@ -186,6 +186,8 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
bool has_error_code, u32 error_code); bool has_error_code, u32 error_code);
enum { enum {
VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
pause filter count */
VMCB_DIRTY_MAX, VMCB_DIRTY_MAX,
}; };
@ -217,6 +219,8 @@ static void recalc_intercepts(struct vcpu_svm *svm)
struct vmcb_control_area *c, *h; struct vmcb_control_area *c, *h;
struct nested_state *g; struct nested_state *g;
mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
if (!is_guest_mode(&svm->vcpu)) if (!is_guest_mode(&svm->vcpu))
return; 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; 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) 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; svm->vmcb->control.tsc_offset += adjustment;
if (is_guest_mode(vcpu)) if (is_guest_mode(vcpu))
svm->nested.hsave->control.tsc_offset += adjustment; svm->nested.hsave->control.tsc_offset += adjustment;
mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
} }
static void init_vmcb(struct vcpu_svm *svm) static void init_vmcb(struct vcpu_svm *svm)