Commit 33b458d2 authored Jun 29, 2014 by Jan Kiszka Committed by Paolo Bonzini Jun 30, 2014

KVM: SVM: Fix CPL export via SS.DPL



We import the CPL via SS.DPL since ae9fedc7. However, we fail to
export it this way so far. This caused spurious guest crashes, e.g. of
Linux when accessing the vmport from guest user space which triggered
register saving/restoring to/from host user space.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent ae9fedc7

arch/x86/kvm/svm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1462,6 +1462,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
		*/
		if (var->unusable)
		var->db = 0;
		var->dpl = to_svm(vcpu)->vmcb->save.cpl;
		break;
		}
		}