linux-kernel - Re: [PATCH] sched: set TAINT_UNSAFE

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Message-ID: <4FAB9EC0.8090905@openvz.org>
Date:	Thu, 10 May 2012 14:56:00 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
CC:	Ingo Molnar <mingo@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] sched: set TAINT_UNSAFE_SMP after sleep-in-atomic bug

Peter Zijlstra wrote:
> On Thu, 2012-05-10 at 11:54 +0400, Konstantin Khlebnikov wrote:
>> Usually sleep-in-atomic bugs are followed by dozens other warnings.
>> This patch should help to figure out original source of problem.
>> This taint flag also turns off lockdep, because it can go mad after that.
>
> There's already TAINT_WARN any output with that set should be ignored.

Where? I do not see here anything which might set TAINT_WARN.

Or you suggest to use TAINT_WARN instead of TAINT_UNSAFE_SMP?
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