KVM: VMX: handle PML full VMEXIT that occurs during event delivery
authorCao, Lei <Lei.Cao@stratus.com>
Fri, 15 Jul 2016 13:54:04 +0000 (13:54 +0000)
committerRadim Krčmář <rkrcmar@redhat.com>
Sat, 16 Jul 2016 13:27:40 +0000 (15:27 +0200)
commitb244c9fc251e14a083a1cbf04bef10bd99303a76
tree4f45a49f21009063621583027466a10531830b37
parent6a907cd0ad31fce30b7a7416576410a7de7c8933
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>
arch/x86/kvm/vmx.c