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vhost: flush dev once during vhost_dev_stop

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When vhost_work_dev_flush returns all work queued at that time will have
completed. There is then no need to flush after every vhost_poll_stop
call, and we can move the flush call to after the loop that stops the
pollers.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20220517180850.198915-3-michael.christie@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Mike Christie 2022-05-17 13:08:44 -05:00 committed by Michael S. Tsirkin
parent 6fcf224c37
commit 6ca84326c2
1 changed files with 3 additions and 3 deletions
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6
drivers/vhost/vhost.c
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@ -653,11 +653,11 @@ void vhost_dev_stop(struct vhost_dev *dev)
int i;
for (i = 0; i < dev->nvqs; ++i) {
if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick) {
if (dev->vqs[i]->kick && dev->vqs[i]->handle_kick)
vhost_poll_stop(&dev->vqs[i]->poll);
vhost_work_dev_flush(dev->vqs[i]->poll.dev);
}
}
vhost_work_dev_flush(dev);
}
EXPORT_SYMBOL_GPL(vhost_dev_stop);