linux-kernel - Re: [RFC PATCH] mutex: Apply adaptive spinning on mutex

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Message-ID: <20110323154003.GC12003@htj.dyndns.org>
Date:	Wed, 23 Mar 2011 16:40:03 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Chris Mason <chris.mason@...cle.com>
Cc:	linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: [RFC PATCH] mutex: Apply adaptive spinning on mutex_trylock()

Oops, sorry, forgot the link to the simplification patch and attaching
.config.

On Wed, Mar 23, 2011 at 04:37:27PM +0100, Tejun Heo wrote:
> SIMPLE is with the locking simplification patch[1] applied.  i.e. it
> basically just uses mutex.  SPIN is with the patch at the end of this
> message applied on top - mutex_trylock() uses adaptive spinning.

[1] http://article.gmane.org/gmane.comp.file-systems.btrfs/9658

-- 
tejun

Download attachment ".config" of type "application/x-config" (52176 bytes)