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charset="utf-8" Now they don't make code more readable. Let's better put the whole logic into virtio_queue_set_guest_notifier(). Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Daniil Tatianin --- hw/virtio/virtio.c | 76 +++++++++++----------------------------------- 1 file changed, 17 insertions(+), 59 deletions(-) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index ea43ea620c..692c1979fd 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3829,74 +3829,32 @@ static void virtio_config_guest_notifier_read(Event= Notifier *n) } } =20 -static void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, - bool assign, - bool with_irqfd) -{ - if (assign && !with_irqfd) { - event_notifier_set_handler(&vq->guest_notifier, - virtio_queue_guest_notifier_read); - } else { - event_notifier_set_handler(&vq->guest_notifier, NULL); - } - if (!assign) { - /* Test and clear notifier before closing it, - * in case poll callback didn't have time to run. */ - virtio_queue_guest_notifier_read(&vq->guest_notifier); - } -} - -static void virtio_config_set_guest_notifier_fd_handler(VirtIODevice *vdev, - bool assign, bool with_ir= qfd) -{ - EventNotifier *n; - n =3D &vdev->config_notifier; - if (assign && !with_irqfd) { - event_notifier_set_handler(n, virtio_config_guest_notifier_read); - } else { - event_notifier_set_handler(n, NULL); - } - if (!assign) { - /* Test and clear notifier before closing it,*/ - /* in case poll callback didn't have time to run. */ - virtio_config_guest_notifier_read(n); - } -} - -static void virtio_pci_set_guest_notifier_fd_handler(VirtIODevice *vdev, - VirtQueue *vq, - int n, bool assign, - bool with_irqfd) -{ - if (n =3D=3D VIRTIO_CONFIG_IRQ_IDX) { - virtio_config_set_guest_notifier_fd_handler(vdev, assign, with_irq= fd); - } else { - virtio_queue_set_guest_notifier_fd_handler(vq, assign, with_irqfd); - } -} - int virtio_queue_set_guest_notifier(VirtIODevice *vdev, int n, bool assign, bool with_irqfd) { - VirtQueue *vq =3D NULL; - EventNotifier *notifier =3D NULL; - - if (n =3D=3D VIRTIO_CONFIG_IRQ_IDX) { - notifier =3D virtio_config_get_guest_notifier(vdev); - } else { - vq =3D virtio_get_queue(vdev, n); - notifier =3D virtio_queue_get_guest_notifier(vq); - } + bool is_config =3D n =3D=3D VIRTIO_CONFIG_IRQ_IDX; + VirtQueue *vq =3D is_config ? NULL : virtio_get_queue(vdev, n); + EventNotifier *notifier =3D is_config ? + virtio_config_get_guest_notifier(vdev) : + virtio_queue_get_guest_notifier(vq); + EventNotifierHandler *read_fn =3D is_config ? + virtio_config_guest_notifier_read : + virtio_queue_guest_notifier_read; =20 if (assign) { int r =3D event_notifier_init(notifier, 0); if (r < 0) { return r; } - virtio_pci_set_guest_notifier_fd_handler(vdev, vq, n, true, with_i= rqfd); - } else { - virtio_pci_set_guest_notifier_fd_handler(vdev, vq, n, false, - with_irqfd); + } + + event_notifier_set_handler(notifier, + (assign && !with_irqfd) ? read_fn : NULL); + + if (!assign) { + /* Test and clear notifier before closing it,*/ + /* in case poll callback didn't have time to run. */ + read_fn(notifier); event_notifier_cleanup(notifier); } =20 --=20 2.52.0