linux-kernel - Re: [PATCH 1/2] lockdep,rtmutex,bug: Show taint flags on error

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Message-ID: <87lis1q5tc.fsf@rustcorp.com.au>
Date:	Mon, 31 Oct 2011 12:29:43 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Ben Hutchings <ben@...adent.org.uk>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Cc:	Nick Bowler <nbowler@...iptictech.com>, Greg KH <greg@...ah.com>,
	Dave Jones <davej@...hat.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	LKML <linux-kernel@...r.kernel.org>,
	Debian kernel maintainers <debian-kernel@...ts.debian.org>
Subject: Re: [PATCH 1/2] lockdep,rtmutex,bug: Show taint flags on error

On Fri, 28 Oct 2011 04:36:55 +0100, Ben Hutchings <ben@...adent.org.uk> wrote:
> Currently lock debugging is disabled when the kernel is tainted, with
> a few exceptions.  It is already recognised that this can be useful
> for staging modules (TAINT_CRAP), but that also goes for out-of-tree
> modules (TAINT_OOT_MODULE) so long as core kernel developers don't
> have to spend time debugging them.  Also, there are several reasons
> for tainting that are unlikely to introduce false locking bug reports
> (e.g. TAINT_FIRMWARE_WORKAROUND).
> 
> Instead of disabling lock debugging, show the taint flags in all
> lockdep and rtmutex-debug error messages.
> 
> Signed-off-by: Ben Hutchings <ben@...adent.org.uk>

Acked-by: Rusty Russell <rusty@...tcorp.com.au>
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