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[Qemu-devel] [PATCH v3 01/10] virtio: add missing vdev->broken check
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH v3 01/10] virtio: add missing vdev->broken check |
Date: |
Tue, 22 Nov 2016 16:31:37 +0000 |
virtio_queue_notify_vq() checks vdev->broken before invoking the
handler, virtio_queue_notify_aio_vq() should too.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
hw/virtio/virtio.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 1af2de2..6d8c8af 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1239,6 +1239,10 @@ static void virtio_queue_notify_aio_vq(VirtQueue *vq)
if (vq->vring.desc && vq->handle_aio_output) {
VirtIODevice *vdev = vq->vdev;
+ if (unlikely(vq->vdev->broken)) {
+ return;
+ }
+
trace_virtio_queue_notify(vdev, vq - vdev->vq, vq);
vq->handle_aio_output(vdev, vq);
}
--
2.7.4
- [Qemu-devel] [PATCH v3 00/10] aio: experimental virtio-blk polling mode, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 02/10] virtio-blk: suppress virtqueue kick during processing, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 01/10] virtio: add missing vdev->broken check,
Stefan Hajnoczi <=
- [Qemu-devel] [PATCH v3 03/10] virtio-scsi: suppress virtqueue kick during processing, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 06/10] virtio: poll virtqueues for new buffers, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 04/10] aio: add AioPollFn and io_poll() interface, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 08/10] virtio: turn vq->notification into a nested counter, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 07/10] linux-aio: poll ring for completions, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 05/10] aio: add polling mode to AioContext, Stefan Hajnoczi, 2016/11/22
- [Qemu-devel] [PATCH v3 09/10] aio: add .io_poll_begin/end() callbacks, Stefan Hajnoczi, 2016/11/22