linux-kernel - Re: [PATCH][RFC]: mutex: adaptive spin

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Message-Id: <1231259023.4290.159.camel@think.oraclecorp.com>
Date:	Tue, 06 Jan 2009 11:23:43 -0500
From:	Chris Mason <chris.mason@...cle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Matthew Wilcox <matthew@....cx>, Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-btrfs <linux-btrfs@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Gregory Haskins <ghaskins@...ell.com>,
	Nick Piggin <npiggin@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH][RFC]: mutex: adaptive spin

On Tue, 2009-01-06 at 12:40 +0100, Peter Zijlstra wrote:
> Subject: mutex: adaptive spin
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Date: Tue Jan 06 12:32:12 CET 2009
> 
> Based on the code in -rt, provide adaptive spins on generic mutexes.

I already sent Peter details, but the patch has problems without mutex
debugging turned on.  So it isn't quite ready for benchmarking yet.

-chris


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