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authorJan Kiszka <jan.kiszka@siemens.com>2014-06-29 19:12:43 +0400
committerPaolo Bonzini <pbonzini@redhat.com>2014-06-30 18:45:28 +0400
commit33b458d276bbdbe28febac0742835002b9f4778d (patch)
tree839706424a00121501314577d5c6e5e4b16e5125 /arch
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>
Diffstat (limited to 'arch')
-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 ec8366c5cfea..b5e994ad0135 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;
}
}