From 6ca84326c283e2f5d4ea920dec6f9d4272e4d124 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Tue, 17 May 2022 13:08:44 -0500 Subject: vhost: flush dev once during vhost_dev_stop 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 Acked-by: Jason Wang Reviewed-by: Stefano Garzarella Message-Id: <20220517180850.198915-3-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin --- drivers/vhost/vhost.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 43f6ac2d21cd..d82b9394d89a 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -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); -- cgit v1.2.3