From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752806AbcFFUE3 (ORCPT ); Mon, 6 Jun 2016 16:04:29 -0400 Received: from mail-bl2on0124.outbound.protection.outlook.com ([65.55.169.124]:31730 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752314AbcFFUE1 (ORCPT ); Mon, 6 Jun 2016 16:04:27 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=waiman.long@hpe.com; Message-ID: <5755D6FD.9020502@hpe.com> Date: Mon, 6 Jun 2016 16:03:09 -0400 From: Waiman Long User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130109 Thunderbird/10.0.12 MIME-Version: 1.0 To: Davidlohr Bueso CC: Peter Zijlstra , Ingo Molnar , , Jason Low , Dave Chinner , Peter Hurley , "Paul E. McKenney" , Scott J Norton , Douglas Hatch Subject: Re: [PATCH v4 1/5] locking/rwsem: Add reader-owned state to the owner field References: <1463534783-38814-1-git-send-email-Waiman.Long@hpe.com> <1463534783-38814-2-git-send-email-Waiman.Long@hpe.com> <20160606171816.djtsxdqdfrhoaeqi@linux-uzut.site> In-Reply-To: <20160606171816.djtsxdqdfrhoaeqi@linux-uzut.site> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [72.71.243.229] X-ClientProxiedBy: CO2PR18CA0027.namprd18.prod.outlook.com (10.161.80.37) To DF4PR84MB0316.NAMPRD84.PROD.OUTLOOK.COM (10.162.193.30) X-MS-Office365-Filtering-Correlation-Id: d64b49ff-d7fb-4fe9-1ec7-08d38e45bebc X-Microsoft-Exchange-Diagnostics: 1;DF4PR84MB0316;2:a/Thtia/anDZH64qzdKSpn5ru4h/zGKHei3XnovY+48sotAg5/tIM0HxtfIeAXRhj7xRCRTvh2qI6C7ItwLca96fZjVCjOFiAckxjfj/K8AQIocL41BJtRw6DcC9eIm2DND/4jqCPED7+Gi+zv60paOaG87BFrjfJ+0qVFWWEcGlKRuO7ffi9xtJnCK3hdms;3:BJlu4T/J45z27vz0Lnqw6ih2h6M8dysH9e4t1X20ZBdWNhe0hUBD9JBsi6apEklcwcY52so0h3mbJwVwZ4B4k/MUqy17hJpKEN22/6r+F228X/puRR5jvV1JZTweuizc;25:OtwIOpgO9vxsgu5IguiKUuGzuiMbd6lEUnapecrcN2OR4IbLEltqwPCQEJtq0X1i6KTENXDjCn4loYWVcIb5J8pugBSiSFtAIbXqYEJp4nQFX5Ux/il3JBRxiS6sqijcaH72kzfMPhUGDbMjU5YbV9Q2ya1tKIQ4AdvzfMbWN2ko3A4wTK1CyjNbZw2i/WK9ezXSJ5v4mDG3Xly0Xp2NzONC1CkY0jBP47csELf1u8wTCF/KbrJpfDxTgI3MLl9yClsa2nbUQ3UGlENF3MmksbBDu+iCUv8Lu/PijwQ8Ipiu3tqq6TFWwXaimjg4xbQyOTyfnpBt09wBWbqsoZpXZyNbpfZLnULvcJxR3anBASgOIcwGs6iz+NGtspMYTxLh3jSenuyGyZa78rr6WYKHLckldgLgjYl9IHWApc1HzA0= X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DF4PR84MB0316; 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It seems that all the > recent rwsem changes are now in -tip, with the exception of these. > > Thanks, > Davidlohr Yes, I would certainly like to have this patch series tested in -next. Given that i_mutex has now become i_rwsem, this patch series will help to further narrow the performance gap between mutex and rwsem. Cheers, Longman