Re: [PATCH 4/6] vhost_vsock: simplify vhost_vsock_flush()

From: Stefano Garzarella
Date: Tue Nov 16 2021 - 09:35:52 EST


On Mon, Nov 15, 2021 at 06:30:01PM +0300, Andrey Ryabinin wrote:
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 <arbn@xxxxxxxxxxxxxxx>
---
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


Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>