From: Tejun Heo <tj@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Chris Mason <chris.m
Cc: linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org
Subject: Re: [RFC PATCH] mutex: Apply adaptive spinning on mutex_trylock()
Date: Wed, 23 Mar 2011 16:40:03 +0100 [thread overview]
Message-ID: <20110323154003.GC12003@htj.dyndns.org> (raw)
In-Reply-To: <20110323153727.GB12003@htj.dyndns.org>
[-- Attachment #1: Type: text/plain, Size: 426 bytes --]
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
[-- Attachment #2: .config --]
[-- Type: application/x-config, Size: 54281 bytes --]
next prev parent reply other threads:[~2011-03-23 15:40 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-23 15:37 [RFC PATCH] mutex: Apply adaptive spinning on mutex_trylock() Tejun Heo
2011-03-23 15:40 ` Tejun Heo [this message]
2011-03-23 15:48 ` Linus Torvalds
2011-03-23 15:52 ` Tejun Heo
2011-03-23 19:46 ` Andrey Kuzmin
2011-03-24 8:18 ` Ingo Molnar
2011-03-25 3:24 ` Steven Rostedt
2011-03-25 10:29 ` Ingo Molnar
2011-03-24 9:41 ` [PATCH 1/2] Subject: mutex: Separate out mutex_spin() Tejun Heo
2011-03-24 9:41 ` [PATCH 2/2] mutex: Apply adaptive spinning on mutex_trylock() Tejun Heo
2011-03-25 3:39 ` Steven Rostedt
2011-03-25 4:38 ` Linus Torvalds
2011-03-25 6:53 ` Tejun Heo
2011-03-25 13:10 ` Steven Rostedt
2011-03-25 13:29 ` Steven Rostedt
2011-03-25 11:13 ` Andrey Kuzmin
2011-03-25 13:12 ` Steven Rostedt
2011-03-25 13:50 ` Andrey Kuzmin
2011-03-25 14:05 ` Steven Rostedt
2011-03-25 19:51 ` Ingo Molnar
2011-03-25 10:12 ` Tejun Heo
2011-03-25 10:31 ` Ingo Molnar
2011-03-29 16:37 ` Tejun Heo
2011-03-29 17:09 ` Tejun Heo
2011-03-29 17:37 ` Peter Zijlstra
2011-03-30 8:17 ` Tejun Heo
2011-03-30 11:29 ` Peter Zijlstra
2011-03-30 11:46 ` Chris Mason
2011-03-30 11:52 ` Peter Zijlstra
2011-03-30 11:59 ` Chris Mason
2011-03-24 9:42 ` [PATCH 1/2] Subject: mutex: Separate out mutex_spin() Tejun Heo
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