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(parent: b2200d9) | patch
vhost: generalize adding used elem
authorJason Wang <jasowang@redhat.com>
Fri, 24 May 2019 08:12:13 +0000 (04:12 -0400)
committerMichael S. Tsirkin <mst@redhat.com>
Wed, 5 Jun 2019 20:23:52 +0000 (16:23 -0400)
commit3f8f6bdd2c7e49b7b9eb36e96fe87f0a886849de
tree266251dade0c6ed9ae0fdae4efd48354918d2608tree | snapshot
parentb2200d93433ec373fc76ba875b8be6f34cc7a61acommit | diff
vhost: generalize adding used elem

Use one generic vhost_copy_to_user() instead of two dedicated
accessor. This will simplify the conversion to fine grain
accessors. About 2% improvement of PPS were seen during vitio-user
txonly test.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/vhost/vhost.c diff | blob | history
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