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| author | Michael S. Tsirkin | 2014-09-18 15:21:16 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2014-10-24 13:21:17 +0200 |
| commit | 2bc19dc3754fc066c43799659f0d848631c44cfe (patch) | |
| tree | be47520a611abb758ff6a57ecbe00041a64956d0 /arch/x86/kvm/svm.c | |
| parent | kvm: vmx: handle invvpid vm exit gracefully (diff) | |
| download | kernel-qcow2-linux-2bc19dc3754fc066c43799659f0d848631c44cfe.tar.gz kernel-qcow2-linux-2bc19dc3754fc066c43799659f0d848631c44cfe.tar.xz kernel-qcow2-linux-2bc19dc3754fc066c43799659f0d848631c44cfe.zip | |
kvm: x86: don't kill guest on unknown exit reason
KVM_EXIT_UNKNOWN is a kvm bug, we don't really know whether it was
triggered by a priveledged application. Let's not kill the guest: WARN
and inject #UD instead.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.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 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 00bed2c5e948..7527cefc5a43 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3551,9 +3551,9 @@ static int handle_exit(struct kvm_vcpu *vcpu) if (exit_code >= ARRAY_SIZE(svm_exit_handlers) || !svm_exit_handlers[exit_code]) { - kvm_run->exit_reason = KVM_EXIT_UNKNOWN; - kvm_run->hw.hardware_exit_reason = exit_code; - return 0; + WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_code); + kvm_queue_exception(vcpu, UD_VECTOR); + return 1; } return svm_exit_handlers[exit_code](svm); |