Re: [PATCH v5 2/3] i386: kvm: extend kvm_{get, put}_vcpu_events to support pending triple fault

[Peter Xu]

On Wed, Aug 17, 2022 at 10:08:44AM +0800, Chenyi Qiang wrote:
> For the direct triple faults, i.e. hardware detected and KVM morphed
> to VM-Exit, KVM will never lose them. But for triple faults sythesized
> by KVM, e.g. the RSM path, if KVM exits to userspace before the request
> is serviced, userspace could migrate the VM and lose the triple fault.
> 
> A new flag KVM_VCPUEVENT_VALID_TRIPLE_FAULT is defined to signal that
> the event.triple_fault_pending field contains a valid state if the
> KVM_CAP_X86_TRIPLE_FAULT_EVENT capability is enabled.
> 
> Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>

Acked-by: Peter Xu <peterx@redhat.com>

-- 
Peter Xu