On Thu, Jan 27, 2022 at 10:08:07AM +0800, Yin Xiujiang wrote:
> Repalce kthread_create/wake_up_process() with kthread_run()
> to simplify the code.
>
> Signed-off-by: Yin Xiujiang <yinxiuji...@kylinos.cn>
> ---
> drivers/vhost/vhost.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
> index 59edb5a1ffe2..19e9eda9fc71 100644
> --- a/drivers/vhost/vhost.c
> +++ b/drivers/vhost/vhost.c
> @@ -595,7 +595,7 @@ long vhost_dev_set_owner(struct vhost_dev *dev)
>
> dev->kcov_handle = kcov_common_handle();
> if (dev->use_worker) {
> - worker = kthread_create(vhost_worker, dev,
> + worker = kthread_run(vhost_worker, dev,
> "vhost-%d", current->pid);
> if (IS_ERR(worker)) {
> err = PTR_ERR(worker);
> @@ -603,7 +603,6 @@ long vhost_dev_set_owner(struct vhost_dev *dev)
> }
>
> dev->worker = worker;
> - wake_up_process(worker); /* avoid contributing to loadavg */
>
> err = vhost_attach_cgroups(dev);
> if (err)
I think if you do this, you need to set dev->worker earlier.
> --
> 2.30.0
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