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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-16 15:51:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-16 15:51:57 -0700
commit3ec60b92d3bae719cf3a8b6e522af07ad3d1cc5b (patch)
tree194b96f2d90235f8511a125dfe29d8d3d9eed55c /net
parent45b6ae761e5259d457a797f66f4d4c16b620f268 (diff)
parent6be3ffaa0e15c64f560904b025f5c50bef5886f9 (diff)
downloadlinux-3ec60b92d3bae719cf3a8b6e522af07ad3d1cc5b.tar.bz2
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio/vhost fixes from Michael Tsirkin: - test fixes - a vsock fix * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: tools/virtio: add dma stubs vhost/test: fix after swiotlb changes vhost/vsock: drop space available check for TX vq ringtest: test build fix
Diffstat (limited to 'net')
-rw-r--r--net/vmw_vsock/virtio_transport.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 699dfabdbccd..936d7eee62d0 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -87,9 +87,6 @@ virtio_transport_send_pkt_work(struct work_struct *work)
vq = vsock->vqs[VSOCK_VQ_TX];
- /* Avoid unnecessary interrupts while we're processing the ring */
- virtqueue_disable_cb(vq);
-
for (;;) {
struct virtio_vsock_pkt *pkt;
struct scatterlist hdr, buf, *sgs[2];
@@ -99,7 +96,6 @@ virtio_transport_send_pkt_work(struct work_struct *work)
spin_lock_bh(&vsock->send_pkt_list_lock);
if (list_empty(&vsock->send_pkt_list)) {
spin_unlock_bh(&vsock->send_pkt_list_lock);
- virtqueue_enable_cb(vq);
break;
}
@@ -118,13 +114,13 @@ virtio_transport_send_pkt_work(struct work_struct *work)
}
ret = virtqueue_add_sgs(vq, sgs, out_sg, in_sg, pkt, GFP_KERNEL);
+ /* Usually this means that there is no more space available in
+ * the vq
+ */
if (ret < 0) {
spin_lock_bh(&vsock->send_pkt_list_lock);
list_add(&pkt->list, &vsock->send_pkt_list);
spin_unlock_bh(&vsock->send_pkt_list_lock);
-
- if (!virtqueue_enable_cb(vq) && ret == -ENOSPC)
- continue; /* retry now that we have more space */
break;
}