KVM: x86: set vcpu runnable when injecting MCE

[Marcelo Tosatti]

Otherwise an MCE exception to a halted vcpu is only injected when
vcpu is awakened due to unrelated event.

Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4014d6c..86127e8 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2399,6 +2399,7 @@ static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu 
*vcpu,
                vcpu->arch.mcg_status = mce->mcg_status;
                banks[1] = mce->status;
                kvm_queue_exception(vcpu, MC_VECTOR);
+               vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
        } else if (!(banks[1] & MCI_STATUS_VAL)
                   || !(banks[1] & MCI_STATUS_UC)) {
                if (banks[1] & MCI_STATUS_VAL)

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