After moving PIR to IRR, the interrupt needs to be delivered manually.
Reported-by: NPaolo Bonzini <pbonzini@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: NRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>