From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: [PATCH][RFC]: mutex: adaptive spin Date: Tue, 06 Jan 2009 11:23:43 -0500 Message-ID: <1231259023.4290.159.camel@think.oraclecorp.com> References: <1230722935.4680.5.camel@think.oraclecorp.com> <20081231104533.abfb1cf9.akpm@linux-foundation.org> <1230765549.7538.8.camel@think.oraclecorp.com> <87r63ljzox.fsf@basil.nowhere.org> <20090103191706.GA2002@parisc-linux.org> <1231093310.27690.5.camel@twins> <20090104184103.GE2002@parisc-linux.org> <1231242031.11687.97.camel@twins> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Matthew Wilcox , Andi Kleen , Andrew Morton , linux-kernel@vger.kernel.org, linux-fsdevel , linux-btrfs , Ingo Molnar , Thomas Gleixner , Steven Rostedt , Gregory Haskins , Nick Piggin , Linus Torvalds To: Peter Zijlstra Return-path: Received: from acsinet11.oracle.com ([141.146.126.233]:58167 "EHLO acsinet11.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750753AbZAFQYw (ORCPT ); Tue, 6 Jan 2009 11:24:52 -0500 In-Reply-To: <1231242031.11687.97.camel@twins> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, 2009-01-06 at 12:40 +0100, Peter Zijlstra wrote: > Subject: mutex: adaptive spin > From: Peter Zijlstra > 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