[PATCH v3 11/15] tracing/fgraph: convert process/thread iterator to for_each_process_thread_rculock

[Steven Rostedt]

On Fri, 11 Sep 2026 15:57:56 +0800
Ye Liu <ye.liu at linux.dev> wrote:

> From: Ye Liu <liuye at kylinos.cn>
> 
> Replace the manual rcu_read_lock()/rcu_read_unlock() pair combined
> with for_each_process_thread() loop in kernel/trace/fgraph.c with
> for_each_process_thread_rculock(), which scopes the RCU read lock
> to the loop body via scoped_guard(rcu).
> 
> No functional change.
> 
> Signed-off-by: Ye Liu <liuye at kylinos.cn>
> Acked-by: Michal Hocko <mhocko at suse.com>
> Reviewed-by: SJ Park <sj at kernel.org>
> Reviewed-by: Lorenzo Stoakes (ARM) <ljs at kernel.org>
> Reviewed-by: Oleg Nesterov <oleg at redhat.com>

Acked-by: Steven Rostedt <rostedt at goodmis.org>

-- Steve