diff options
| author | Cao, Lei <Lei.Cao@stratus.com> | 2016-07-15 13:54:04 (GMT) |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2016-07-16 13:27:40 (GMT) |
| commit | b244c9fc251e14a083a1cbf04bef10bd99303a76 (patch) | |
| tree | 4f45a49f21009063621583027466a10531830b37 /arch | |
| parent | 6a907cd0ad31fce30b7a7416576410a7de7c8933 (diff) | |
| download | linux-b244c9fc251e14a083a1cbf04bef10bd99303a76.tar.xz | |
KVM: VMX: handle PML full VMEXIT that occurs during event delivery
With PML enabled, guest will shut down if a PML full VMEXIT occurs during
event delivery. According to Intel SDM 27.2.3, PML full VMEXIT can occur when
event is being delivered through IDT, so KVM should not exit to user space
with error. Instead, it should let EXIT_REASON_PML_FULL go through and the
event will be re-injected on the next VMENTRY.
Signed-off-by: Lei Cao <lei.cao@stratus.com>
Cc: stable@vger.kernel.org
Fixes: 843e4330573c ("KVM: VMX: Add PML support in VMX")
[Shortened the summary and Cc'd stable.]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5bf203b..7758680 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8214,6 +8214,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) if ((vectoring_info & VECTORING_INFO_VALID_MASK) && (exit_reason != EXIT_REASON_EXCEPTION_NMI && exit_reason != EXIT_REASON_EPT_VIOLATION && + exit_reason != EXIT_REASON_PML_FULL && exit_reason != EXIT_REASON_TASK_SWITCH)) { vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR; vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV; |