Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753063Ab2BGFY6 (ORCPT ); Tue, 7 Feb 2012 00:24:58 -0500 Received: from mga03.intel.com ([143.182.124.21]:47068 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750966Ab2BGFY5 (ORCPT ); Tue, 7 Feb 2012 00:24:57 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="104010881" Subject: Re: [patch]block: fix ioc locking warning From: Shaohua Li To: Tejun Heo Cc: Linus Torvalds , Vivek Goyal , Jens Axboe , lkml , Knut Petersen , mroos@linux.ee In-Reply-To: <20120207005900.GF21292@google.com> References: <20120206151219.GC30752@redhat.com> <4F2FFB21.9000202@kernel.dk> <20120206163721.GF30752@redhat.com> <20120206164428.GA21292@google.com> <20120206172706.GB21292@google.com> <20120206203604.GC21292@google.com> <20120207003948.GE21292@google.com> <1328575430.21268.69.camel@sli10-conroe> <20120207005900.GF21292@google.com> Content-Type: text/plain; charset="UTF-8" Date: Tue, 07 Feb 2012 13:22:58 +0800 Message-ID: <1328592178.21268.78.camel@sli10-conroe> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 494 Lines: 10 On Mon, 2012-02-06 at 16:59 -0800, Tejun Heo wrote: > * Test with the this_q != locked_q trylock patch. this one slightly reduces the regression. without it, the regression is about 17%, with it, the regression is about 12%. Test result is stable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/