linux-kernel - Re: __might_sleep() warnings on v3.19-rc6

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Date:	Sun, 1 Feb 2015 21:08:12 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	NeilBrown <neilb@...e.de>
Cc:	Fengguang Wu <fengguang.wu@...el.com>,
	Peter Zijlstra <peterz@...radead.org>, LKP <lkp@...org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Shaohua Li <shli@...nel.org>,
	Dan Williams <dan.j.williams@...el.com>,
	"linux-btrfs@...r.kernel.org" <linux-btrfs@...r.kernel.org>
Subject: Re: __might_sleep() warnings on v3.19-rc6

On Sun, Feb 1, 2015 at 3:03 PM, NeilBrown <neilb@...e.de> wrote:
>
> I guess I could
>       __set_current_state(TASK_RUNNING);
> somewhere to defeat the warning, and add a comment explaining why.
>
> Would that be a good thing?

Use "sched_annotate_sleep()" instead, but yes, add a comment about why it's ok.

                        Linus
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