Re: [PATCH v8 3/8] vhost: Add the cgroup related function

[Markus Elfring]

…
> +++ b/drivers/vhost/vhost.c
…
> +static int vhost_attach_task_to_cgroups(struct vhost_worker *worker)
> +{
…
> +	vhost_worker_queue(worker, &attach.work);
> +
> +	mutex_lock(&worker->mutex);
…
> +	mutex_unlock(&worker->mutex);
> +
> +	return attach.ret;
> +}
…

Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&worker->mutex);”?
https://elixir.bootlin.com/linux/v6.14-rc6/source/include/linux/mutex.h#L201

Regards,
Markus