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(parent: 5707759) | 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)
commitb95fcd514efcdbf25bb3ba9304d722b17392c7e5
tree9df63bff412bf25099bf120abd2705a9d92d2cc4tree | snapshot
parent5707759ca7290025d66df5d14c8580a62d2c394acommit | 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
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