Re: [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@xxxxxxxxx> wrote:

> From: Ye Liu <liuye@xxxxxxxxxx>
> 
> 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@xxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Reviewed-by: SJ Park <sj@xxxxxxxxxx>
> Reviewed-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>
> Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve