Re: [v5 PATCH 2/2] hung_task: Enable runtime reset of hung_task_detect_count

From: Aaron Tomlin

Date: Wed Jan 14 2026 - 21:20:57 EST


On Mon, Jan 12, 2026 at 10:43:35PM +0800, Lance Yang wrote:
> In general, the POC makes a lot of sense ;)
>
> The acquire/release pairing is now straightforward:
> - _read_acquire at start
> - local counting (no atomics)
> - _cmpxchg_release at end
>
> And yeah, if cmpxchg fails, we simply do not count this round,
> which is reasonable behavior.
>
> So, Aaron, can you take care of refactoring/testing based on
> Petr's approach?

Hi Lance,

Sure!

--
Aaron Tomlin

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