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| author | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-21 23:04:14 +0000 |
|---|---|---|
| committer | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-03-21 23:04:14 +0000 |
| commit | d35381c87483d49a56e0065dd95d49c79e146809 (patch) | |
| tree | ec1f3981253016ead4bc47bac04bd3268e5da2f6 /hw/virtio.c | |
| parent | 7712c5850ef9b95e2f1aea467bf74f84a91ccdcf (diff) | |
| parent | 7648bb760d768bb88b240e534fdb974f1adf577f (diff) | |
| download | qemu-d35381c87483d49a56e0065dd95d49c79e146809.tar.gz | |
Add release tag for 0.10.1 releasev0.10.1release_0_10_1
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/tags/release_0_10_1@6881 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/virtio.c')
| -rw-r--r-- | hw/virtio.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/hw/virtio.c b/hw/virtio.c index b94ab0f054..08ea16dee5 100644 --- a/hw/virtio.c +++ b/hw/virtio.c @@ -726,9 +726,10 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, void virtio_notify(VirtIODevice *vdev, VirtQueue *vq) { - /* Always notify when queue is empty */ - if ((vq->inuse || vring_avail_idx(vq) != vq->last_avail_idx) && - (vring_avail_flags(vq) & VRING_AVAIL_F_NO_INTERRUPT)) + /* Always notify when queue is empty (when feature acknowledge) */ + if ((vring_avail_flags(vq) & VRING_AVAIL_F_NO_INTERRUPT) && + (!(vdev->features & (1 << VIRTIO_F_NOTIFY_ON_EMPTY)) || + (vq->inuse || vring_avail_idx(vq) != vq->last_avail_idx))) return; vdev->isr |= 0x01; |