Messages in this thread Patch in this message | | | Subject | [PATCH 1/5] KVM: SVM: Fix SVM idt confusion | From | Avi Kivity <> | Date | Tue, 23 Jan 2007 14:32:04 -0000 |
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From: Leonard Norrgard <leonard.norrgard@refactor.fi>
There's an obvious typo in svm_{get,set}_idt, causing it to access the ldt instead.
Because these functions are only called for save/load on AMD, the bug does not impact normal operation. With the fix, save/load works as expected on AMD hosts.
Signed-off-by: Uri Lublin <uril@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Index: linux-2.6/drivers/kvm/svm.c =================================================================== --- linux-2.6.orig/drivers/kvm/svm.c +++ linux-2.6/drivers/kvm/svm.c @@ -680,14 +680,14 @@ static void svm_get_cs_db_l_bits(struct static void svm_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) { - dt->limit = vcpu->svm->vmcb->save.ldtr.limit; - dt->base = vcpu->svm->vmcb->save.ldtr.base; + dt->limit = vcpu->svm->vmcb->save.idtr.limit; + dt->base = vcpu->svm->vmcb->save.idtr.base; } static void svm_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) { - vcpu->svm->vmcb->save.ldtr.limit = dt->limit; - vcpu->svm->vmcb->save.ldtr.base = dt->base ; + vcpu->svm->vmcb->save.idtr.limit = dt->limit; + vcpu->svm->vmcb->save.idtr.base = dt->base ; } static void svm_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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