Re: [PATCH 1/6] fs/exec: Drop task_lock() inside __get_task_comm()

[Matus Jokay <matus.jokay@stuba.sk>]

Hi Yafang,

> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index c75fd46506df..56a927393a38 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1083,7 +1083,7 @@ struct task_struct {
>  	 *
>  	 * - normally initialized setup_new_exec()
>  	 * - access it with [gs]et_task_comm()
> -	 * - lock it with task_lock()
> +	 * - lock it with task_lock() for writing
since you are updating this comment, you might as well fix other comments concerning ->comm, e.g.

diff --git a/include/linux/sched.h b/include/linux/sched.h
index c75fd46506df..95b382d790d9 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1081,9 +1081,9 @@ struct task_struct {
 	/*
 	 * executable name, excluding path.
 	 *
-	 * - normally initialized setup_new_exec()
-	 * - access it with [gs]et_task_comm()
-	 * - lock it with task_lock()
+	 * - normally initialized begin_new_exec()
+	 * - access it with __[gs]et_task_comm()
+	 * - lock it with task_lock() for writing
 	 */
 	char				comm[TASK_COMM_LEN];

-- 
Thanks
mY