# \[PATCH 4/6\] vhost\_vsock: simplify vhost\_vsock\_flush()

- From: Andrey Ryabinin \<hidden\>
- Date: 2021-11-15 15:36:03 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/11/1572410
- Thread: https://ratatoskr.run/kvm/2021/11/1572407/t.md

```text
vhost_vsock_flush() calls vhost_work_dev_flush(vsock->vqs[i].poll.dev)
before vhost_work_dev_flush(&vsock->dev). This seems pointless
as vsock->vqs[i].poll.dev is the same as &vsock->dev and several flushes
in a row doesn't do anything useful, one is just enough.

Signed-off-by: Andrey Ryabinin <redacted>
---
 drivers/vhost/vsock.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index b0361ebbd695..b4dcefbb7e60 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -707,11 +707,6 @@ static int vhost_vsock_dev_open(struct inode *inode, struct file *file)
 
 static void vhost_vsock_flush(struct vhost_vsock *vsock)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++)
-		if (vsock->vqs[i].handle_kick)
-			vhost_work_dev_flush(vsock->vqs[i].poll.dev);
 	vhost_work_dev_flush(&vsock->dev);
 }
 
-- 
2.32.0

```