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KVM: SVM: Add clean-bit for Segements and CPL

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This patch implements the clean-bit defined for the cs, ds,
ss, an es segemnts and the current cpl saved in the vmcb.

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 11:45:57 +01:00
committed by Avi Kivity
parent 17a703cb14
commit 060d0c9a2e
1 changed files with 2 additions and 0 deletions
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arch/x86/kvm/svm.c
+2
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@@ -195,6 +195,7 @@ enum {
VMCB_CR, /* CR0, CR3, CR4, EFER */ VMCB_CR, /* CR0, CR3, CR4, EFER */
VMCB_DR, /* DR6, DR7 */ VMCB_DR, /* DR6, DR7 */
VMCB_DT, /* GDT, IDT */ VMCB_DT, /* GDT, IDT */
VMCB_SEG, /* CS, DS, SS, ES, CPL */
VMCB_DIRTY_MAX, VMCB_DIRTY_MAX,
}; };
@@ -1457,6 +1458,7 @@ static void svm_set_segment(struct kvm_vcpu *vcpu,
= (svm->vmcb->save.cs.attrib = (svm->vmcb->save.cs.attrib
>> SVM_SELECTOR_DPL_SHIFT) & 3; >> SVM_SELECTOR_DPL_SHIFT) & 3;
mark_dirty(svm->vmcb, VMCB_SEG);
} }
static void update_db_intercept(struct kvm_vcpu *vcpu) static void update_db_intercept(struct kvm_vcpu *vcpu)