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authorMichael S. Tsirkin <mst@redhat.com>2012-11-01 10:16:37 +0100
committerDavid S. Miller <davem@davemloft.net>2012-11-03 02:29:57 +0100
commit70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd (patch)
treef3b88279253e04599ac949e393ee0820ceaa5f57 /drivers/vhost/vhost.c
parenttun: report orphan frags errors to zero copy callback (diff)
downloadlinux-70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd.tar.xz
linux-70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd.zip
vhost-net: cleanup macros for DMA status tracking
Better document macros for DMA tracking. Add an explicit one for DMA in progress instead of relying on user supplying len != 1. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 73d08db2e677..f23cf8956d19 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1606,7 +1606,7 @@ void vhost_zerocopy_callback(struct ubuf_info *ubuf, bool status)
struct vhost_virtqueue *vq = ubufs->vq;
vhost_poll_queue(&vq->poll);
- /* set len = 1 to mark this desc buffers done DMA */
+ /* set len to mark this desc buffers done DMA */
vq->heads[ubuf->desc].len = VHOST_DMA_DONE_LEN;
kref_put(&ubufs->kref, vhost_zerocopy_done_signal);
}