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Date: Thu, 10 May 2012 14:56:00 +0400
From: Konstantin Khlebnikov <khlebnikov@openvz.org>
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To: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Ingo Molnar <mingo@redhat.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] sched: set TAINT_UNSAFE_SMP after sleep-in-atomic bug
References: <20120510075403.21849.5109.stgit@zurg> <1336644104.2527.93.camel@twins>
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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?