linux-kernel - Re: [PATCH] kernel/hung_task.c: export sysctl_hung_task_timeout

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Message-ID: <Zc8KlSGBbUF7JMbw@infradead.org>
Date: Thu, 15 Feb 2024 23:11:17 -0800
From: Christoph Hellwig <hch@...radead.org>
To: Kent Overstreet <kent.overstreet@...ux.dev>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>, linux-kernel@...r.kernel.org,
	fuyuanli <fuyuanli@...iglobal.com>
Subject: Re: [PATCH] kernel/hung_task.c: export sysctl_hung_task_timeout_secs

On Thu, Feb 15, 2024 at 06:26:59PM -0500, Kent Overstreet wrote:
> There's a few places in the block layer that are using the sysctl value;
> those will be easy to fix. There's definitely more places abusing
> TASK_INTERRUPTIBLE, but aside from the ones in my code I can't think of
> a way to search for them.

I think any kthread that is woken using wake_up_process or a wait queue
is a good candidate.