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| author | Jan Kiszka | 2014-06-29 17:12:43 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2014-06-30 16:45:28 +0200 |
| commit | 33b458d276bbdbe28febac0742835002b9f4778d (patch) | |
| tree | 839706424a00121501314577d5c6e5e4b16e5125 /arch/x86/kvm/svm.c | |
| parent | KVM: x86: get CPL from SS.DPL (diff) | |
| download | kernel-qcow2-linux-33b458d276bbdbe28febac0742835002b9f4778d.tar.gz kernel-qcow2-linux-33b458d276bbdbe28febac0742835002b9f4778d.tar.xz kernel-qcow2-linux-33b458d276bbdbe28febac0742835002b9f4778d.zip | |
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/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 1 |
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; } } |