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authorJan Kiszka <jan.kiszka@siemens.com>2014-06-29 15:12:43 (GMT)
committerPaolo Bonzini <pbonzini@redhat.com>2014-06-30 14:45:28 (GMT)
commit33b458d276bbdbe28febac0742835002b9f4778d (patch)
tree839706424a00121501314577d5c6e5e4b16e5125
parentae9fedc793c4d98aa9bb298585b2b9246096ce65 (diff)
downloadlinux-33b458d276bbdbe28febac0742835002b9f4778d.tar.xz
KVM: SVM: Fix CPL export via SS.DPL
We import the CPL via SS.DPL since ae9fedc793. 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>
-rw-r--r--arch/x86/kvm/svm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ec8366c..b5e994a 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -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;
}
}