Re: [PATCH v8 3/3] hung_task: Increment the global counter immediately

[Lance Yang]

On 2026/2/8 08:21, Aaron Tomlin wrote:
> From: Petr Mladek <pmladek@xxxxxxxx>
>
> A recent change allowed to reset the global counter of hung tasks using
> the sysctl interface. A potential race with the regular check has been
> solved by updating the global counter only once at the end of the check.
>
> However, the hung task check can take a significant amount of time,
> particularly when task information is being dumped to slow serial
> consoles. Some users monitor this global counter to trigger immediate
> migration of critical containers. Delaying the increment until the
> full check completes postpones these high-priority rescue operations.
>
> Update the global counter as soon as a hung task is detected. Since
> the value is read asynchronously, a relaxed atomic operation is
> sufficient.
>
> Reported-by: Lance Yang <lance.yang@xxxxxxxxx>
> Closes: https://lore.kernel.org/r/f239e00f-4282-408d-b172-0f9885f4b01b@xxxxxxxxx
> Reviewed-by: Aaron Tomlin <atomlin@xxxxxxxxxxx>
> Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>
> ---

Looks good to me, so:

Reviewed-by: Lance Yang <lance.yang@xxxxxxxxx>