projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 35c51e0) | patch
virtio_ring: add unlikely annotation for free descs check
authorXianting Tian <xianting.tian@linux.alibaba.com>
Mon, 28 Mar 2022 10:58:17 +0000 (18:58 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Tue, 31 May 2022 16:44:25 +0000 (12:44 -0400)
commitb4b4ff73ef047556e81694174bb8561457f25eeb
tree9df63bff412bf25099bf120abd2705a9d92d2cc4tree | snapshot
parent35c51e093d956f6d058e193711c8d424817a44a9commit | diff
virtio_ring: add unlikely annotation for free descs check

The 'if (vq->vq.num_free < descs_used)' check will almost always be false.

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Message-Id: <20220328105817.1028065-2-xianting.tian@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
drivers/virtio/virtio_ring.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git