Messages in this thread | | | From | Jim Mattson <> | Date | Mon, 22 Aug 2022 10:52:23 -0700 | Subject | Re: [PATCH v3 3/7] KVM: nVMX: Make an event request when pending an MTF nested VM-Exit |
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On Mon, Aug 22, 2022 at 10:08 AM Paolo Bonzini <pbonzini@redhat.com> wrote: > > From: Sean Christopherson <seanjc@google.com> > > Set KVM_REQ_EVENT when MTF becomes pending to ensure that KVM will run > through inject_pending_event() and thus vmx_check_nested_events() prior > to re-entering the guest. > > MTF currently works by virtue of KVM's hack that calls > kvm_check_nested_events() from kvm_vcpu_running(), but that hack will > be removed in the near future. Until that call is removed, the patch > introduces no functional change. > > Fixes: 5ef8acbdd687 ("KVM: nVMX: Emulate MTF when performing instruction emulation") > Cc: stable@vger.kernel.org > Signed-off-by: Sean Christopherson <seanjc@google.com> > Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- What happens if live migration occurs before the KVM_REQ_EVENT is processed?
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