From: Leonard Norrgard <[email protected]>
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 <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
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)
-
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