# Re: \[PATCH v4 09/15\] rcu: convert process/thread iterator to for\_each\_process\_thread\_rculock

- From: sashiko-bot@kernel.org
- Date: 2026-09-21 10:18:15 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2026/09/17614458
- Thread: https://ratatoskr.run/linux-security-module/2026/09/17614035/t.md

```text
> From: Ye Liu <liuye@kylinos.cn>
> 
> Replace the manual rcu_read_lock()/rcu_read_unlock() pair combined
> with for_each_process_thread() loop in kernel/rcu/update.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@kylinos.cn>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260921092101.89285-1-ye.liu@linux.dev?part=9

```