linux-kernel - Re: [GIT PULL] core/locking changes for v2.6.35

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Message-ID: <alpine.LFD.2.00.1005180729340.4195@i5.linux-foundation.org>
Date:	Tue, 18 May 2010 07:30:54 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] core/locking changes for v2.6.35



On Mon, 17 May 2010, Ingo Molnar wrote:
> 
> Tony Breeds (1):
>       mutex: Fix optimistic spinning vs. BKL

Grr. This has the ugly timeout thing, but what's _really_ ugly about it is

	kernel/mutex.c: In function ‘__mutex_lock_common’:
	kernel/mutex.c:148: warning: unused variable ‘timeout’

Nasty. It happens when spinning is disabled due to lockdep or whatever 
debugging that kills it.

		Linus
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