diff mbox series

[4/6] vhost_vsock: simplify vhost_vsock_flush()

Message ID 20211115153003.9140-4-arbn@yandex-team.com (mailing list archive)
State New, archived
Headers show
Series [1/6] vhost: get rid of vhost_poll_flush() wrapper | expand

Commit Message

Andrey Ryabinin Nov. 15, 2021, 3:30 p.m. UTC
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@yandex-team.com>
---
 drivers/vhost/vsock.c | 5 -----
 1 file changed, 5 deletions(-)

Comments

Stefano Garzarella Nov. 16, 2021, 2:35 p.m. UTC | #1
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@yandex-team.com>
>---
> 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@redhat.com>
diff mbox series

Patch

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);
 }