From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751513Ab3LLMCO (ORCPT ); Thu, 12 Dec 2013 07:02:14 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:16259 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751445Ab3LLMCJ (ORCPT ); Thu, 12 Dec 2013 07:02:09 -0500 X-AuditID: cbfee691-b7fd26d000003f7b-6b-52a9a5bf3c51 From: Kyungmin Park To: "'Peter Zijlstra'" , "'Andrzej Pietrasiewicz'" Cc: linux-kernel@vger.kernel.org, "'Marek Szyprowski'" , "'Ingo Molnar'" References: <1386847772-8918-1-git-send-email-andrzej.p@samsung.com> <20131212113511.GG21999@twins.programming.kicks-ass.net> In-reply-to: <20131212113511.GG21999@twins.programming.kicks-ass.net> Subject: RE: [PATCH v2] kernel/locking: mutex: simplify access to the first entry in the wait-list Date: Thu, 12 Dec 2013 21:02:07 +0900 Message-id: <23bd01cef731$fb052680$f10f7380$%park@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac73Lj6IRVO1gU/aR7iriNY5wWSdEAAA5aSA Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrAIsWRmVeSWpSXmKPExsVy+t8zLd39S1cGGRy9Jm8x62U7i8XlXXPY LNYeuctucenAAiaL470HmBxYPTav0PJ4v+8qm0ffllWMHp83yQWwRHHZpKTmZJalFunbJXBl XGs/zFJwiqPiyd8fTA2M39m6GDk4JARMJOZ9yu9i5AQyxSQu3FsPFObiEBJYxijxfe0fZoiE icS/e39YQWwhgemMEqdOJUMU/WWUeHDjIBNIgk1AX2LHtPXsILaIQJxE+46FjCA2s0CxxNqV S5ghmuslzve9ABvEKeAqsfkkRL2wQIrEnO+fwOpZBFQlvjw7xgJi8wrYSXw6Po8ZwhaU+DH5 HgvETC2J9TuPM0HY8hKb17xlhnhGXeLRX12IE4wknn7+BVUuIrHvxTtGkJslBM6xS9xaeIId YpeAxLfJh1ggemUlNh2A+ldS4uCKGywTGCVmIdk8C8nmWUg2z0KyYgEjyypG0dSC5ILipPQi U73ixNzi0rx0veT83E2MkNicuIPx/gHrQ4zJQOsnMkuJJucDYzuvJN7Q2MzIwtTE1NjI3NKM NGElcd70R0lBQgLpiSWp2ampBalF8UWlOanFhxiZODilGhgnO/rtS52ev3XHvTv7ks69cM4M Ez/9KTErUC7r3IsWA83LNi/yXoaGdicpLz16Myd281mNzLKs7+2nOfaf9jotGHl+Xbez8TV+ K+f1+rcnWQvVLWD8FD3houEy42SnRUxHhKpaTk++yNy42DVyzd33jU1CjF77vJLT7UJ+Fjoq HP+6tOwjj4kSS3FGoqEWc1FxIgBIYHfS4wIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrHKsWRmVeSWpSXmKPExsVy+t9jQd39S1cGGZw7J20x62U7i8XlXXPY LNYeuctucenAAiaL470HmBxYPTav0PJ4v+8qm0ffllWMHp83yQWwRDUw2mSkJqakFimk5iXn p2TmpdsqeQfHO8ebmhkY6hpaWpgrKeQl5qbaKrn4BOi6ZeYA7VVSKEvMKQUKBSQWFyvp22Ga EBripmsB0xih6xsSBNdjZIAGEtYxZlxrP8xScIqj4snfH0wNjN/Zuhg5OSQETCT+3fvDCmGL SVy4tx4sLiQwnVHi1KnkLkYuIPsvo8SDGweZQBJsAvoSO6atZwexRQTiJNp3LGQEsZkFiiXW rlzCDNFcL3G+7wXYUE4BV4nNJyHqhQVSJOZ8/wRWzyKgKvHl2TEWEJtXwE7i0/F5zBC2oMSP yfdYIGZqSazfeZwJwpaX2LzmLVANB9Ch6hKP/upCnGAk8fTzL6hyEYl9L94xTmAUmoVk0iwk k2YhmTQLScsCRpZVjKKpBckFxUnpuUZ6xYm5xaV56XrJ+bmbGMGx/0x6B+OqBotDjAIcjEo8 vC8OrggSYk0sK67MPcQowcGsJMLrkroySIg3JbGyKrUoP76oNCe1+BBjMtCjE5mlRJPzgWkp ryTe0NjEzMjSyMzYxNzYmDRhJXHeg63WgUIC6YklqdmpqQWpRTBbmDg4pRoYg6oUYjjqKwOs 9W6sbJhy9+6XzY2FR5Iu/F8Q5ni4JOzGGoX3m3X+P7Z22hvdkzjLc+PGiQ1XpKylohcyXU1m +N2YXn/owgQ+zQ37HVgqj664df/3C+Hddh08y+P+SL740JtdvSDSWy0xJE9KTlzdsVt6xoVn F1TCEmfYBe/Pt0/IPqFkKOujxFKckWioxVxUnAgAA+CmZUEDAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Peter Zijlstra [mailto:peterz@infradead.org] > Sent: Thursday, December 12, 2013 8:35 PM > To: Andrzej Pietrasiewicz > Cc: linux-kernel@vger.kernel.org; Kyungmin Park; Marek Szyprowski; Ingo > Molnar > Subject: Re: [PATCH v2] kernel/locking: mutex: simplify access to the > first entry in the wait-list > > On Thu, Dec 12, 2013 at 12:29:32PM +0100, Andrzej Pietrasiewicz wrote: > > Use list_first_entry instead of explicitly accessing the first entry > > with "head".next. The comment one line above becomes obsolete. > > > > Signed-off-by: Andrzej Pietrasiewicz > > Signed-off-by: Kyungmin Park > > --- > > > > v1..v2: > > > > - corrected the email address in the second Signed-off-by line > > Still invalid; the problem is that you appear to have written the patch > (you send it and you have first sob). > So what is Kyungmin doing in the line? He did not send me your patch. Internal review process, and it represents this patch comes from. Thank you, Kyungmin Park