[PATCH] KVM: SVM: Fix SVM idt confusion
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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 7397bfbb..717aabb 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -680,14 +680,14 @@
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)