# Re: \[PATCH 09/10\] watchdog/hardlockup: Move SMP barriers from common code to buddy code

- From: Petr Mladek \<pmladek@suse.com\>
- Date: 2023-05-30 15:01:13 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2023/05/2214863
- Thread: https://ratatoskr.run/linuxppc-dev/2023/05/2211972/t.md

```text
On Fri 2023-05-26 18:41:39, Douglas Anderson wrote:
> It's been suggested that since the SMP barriers are only potentially
> useful for the buddy hardlockup detector, not the perf hardlockup
> detector, that the barriers belong in the buddy code. Let's move them
> and add clearer comments about why they're needed.
> 
> Suggested-by: Petr Mladek <pmladek@suse.com>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>

Reviewed-by: Petr Mladek <pmladek@suse.com>

Best Regards,
Petr
```