From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932480AbcBIPIG (ORCPT ); Tue, 9 Feb 2016 10:08:06 -0500 Received: from smtprelay0076.hostedemail.com ([216.40.44.76]:52096 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932431AbcBIPID (ORCPT ); Tue, 9 Feb 2016 10:08:03 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1537:1566:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:2693:3138:3139:3140:3141:3142:3622:3865:3867:3871:3872:3873:5007:6261:7875:10004:10400:10848:10967:11026:11232:11658:11914:12517:12519:12740:13069:13156:13161:13228:13229:13311:13357:14040:14659:21080:21212:30054:30090:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:3,LUA_SUMMARY:none X-HE-Tag: night32_45caadcf5a706 X-Filterd-Recvd-Size: 1367 Date: Tue, 9 Feb 2016 10:07:58 -0500 From: Steven Rostedt To: Will Deacon Cc: Yang Shi , catalin.marinas@arm.com, bigeasy@linutronix.de, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linaro-kernel@lists.linaro.org Subject: Re: [PATCH] arm64: replace read_lock to rcu lock in call_step_hook Message-ID: <20160209100758.69d9006f@gandalf.local.home> In-Reply-To: <20160209145426.GR22874@arm.com> References: <1454971764-30720-1-git-send-email-yang.shi@linaro.org> <20160209145426.GR22874@arm.com> X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.29; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 9 Feb 2016 14:54:26 +0000 Will Deacon wrote: > Acked-by: Will Deacon Will, The patch looks good to me. Do you want to take it through your tree? It benefits mainline too as a rcu_read_lock() is more efficient than rwlocks. Although I will say this is a slow path anyway. -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 From: rostedt@goodmis.org (Steven Rostedt) Date: Tue, 9 Feb 2016 10:07:58 -0500 Subject: [PATCH] arm64: replace read_lock to rcu lock in call_step_hook In-Reply-To: <20160209145426.GR22874@arm.com> References: <1454971764-30720-1-git-send-email-yang.shi@linaro.org> <20160209145426.GR22874@arm.com> Message-ID: <20160209100758.69d9006f@gandalf.local.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 9 Feb 2016 14:54:26 +0000 Will Deacon wrote: > Acked-by: Will Deacon Will, The patch looks good to me. Do you want to take it through your tree? It benefits mainline too as a rcu_read_lock() is more efficient than rwlocks. Although I will say this is a slow path anyway. -- Steve