From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932424AbbFIKRU (ORCPT ); Tue, 9 Jun 2015 06:17:20 -0400 Received: from mail-bl2on0102.outbound.protection.outlook.com ([65.55.169.102]:26896 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753432AbbFIKRM (ORCPT ); Tue, 9 Jun 2015 06:17:12 -0400 Authentication-Results: spf=none (sender IP is 165.204.84.221) smtp.mailfrom=amd.com; amacapital.net; dkim=none (message not signed) header.d=none; X-WSS-ID: 0NPO9WJ-07-3JY-02 X-M-MSG: Date: Tue, 9 Jun 2015 18:15:30 +0800 From: Huang Rui To: Peter Zijlstra CC: Borislav Petkov , Andy Lutomirski , Thomas Gleixner , "Rafael J. Wysocki" , Len Brown , John Stultz , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "Fengguang Wu" , Aaron Lu , "Suthikulpanit, Suravee" , "Li, Tony" , "Xue, Ken" Subject: Re: [PATCH v2 2/4] x86, mwaitt: make delay method configurable Message-ID: <20150609101530.GD17030@hr-slim.amd.com> References: <1433819621-15093-1-git-send-email-ray.huang@amd.com> <1433819621-15093-3-git-send-email-ray.huang@amd.com> <20150609090543.GA22105@pd.tnic> <20150609100309.GB17030@hr-slim.amd.com> <1433844521.1495.49.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1433844521.1495.49.camel@twins> User-Agent: Mutt/1.5.21 (2010-09-15) X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1;BY2FFO11FD056;1:qh+eL/rOSYf23rDo9SGbLAOfxQsFWO/wYDsXu+T713IHa7JRs/ErgG8MkAFyx3AQ2JQViB8uq8UJalV1HzGAr394ZAj0IpfcOAhnrpQkRYQ5zr/6p/qpTzYgUFIJAaX2QlLRN/U8R7N24C/4knBQMhZdJS8kY6XyhLVVFy+SlRDDupTe/thWTqBOszx7zD16aEuX2pYTAeRwGg7jObiJtQr74XM98CwVAkJGy3UOG6lV8jS3KyGlQva2WmTFeX+r+15Ps4hHrLNzgn1B4xKP+iQIy4SnGPzNXbYw+Te/nkZKzubpVu2fRa5PBUb08DVXahuFSuYVZhFKX2Xx68yS0w== X-Forefront-Antispam-Report: CIP:165.204.84.221;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(428002)(51704005)(189002)(199003)(24454002)(377424004)(164054003)(86362001)(87936001)(54356999)(76176999)(105586002)(558084003)(53416004)(50986999)(23726002)(97756001)(93886004)(83506001)(47776003)(77156002)(62966003)(46406003)(2950100001)(77096005)(5001920100001)(189998001)(106466001)(110136002)(50466002)(46102003)(4001350100001)(33656002)(101416001)(92566002);DIR:OUT;SFP:1102;SCL:1;SRVR:CO1PR02MB080;H:atltwp01.amd.com;FPR:;SPF:None;MLV:sfv;MX:1;A:1;LANG:en; X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:CO1PR02MB080; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(520003)(5005006)(3002001);SRVR:CO1PR02MB080;BCL:0;PCL:0;RULEID:;SRVR:CO1PR02MB080; X-Forefront-PRVS: 06022AA85F X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Jun 2015 10:17:08.1913 (UTC) X-MS-Exchange-CrossTenant-Id: fde4dada-be84-483f-92cc-e026cbee8e96 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=fde4dada-be84-483f-92cc-e026cbee8e96;Ip=[165.204.84.221];Helo=[atltwp01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR02MB080 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 09, 2015 at 06:08:41PM +0800, Peter Zijlstra wrote: > On Tue, 2015-06-09 at 18:03 +0800, Huang Rui wrote: > > Why do you think that method is bad? > > I already told you; if people have to use a kernel parameter to use > this, _NOBODY_ will use it. I see. Will revert it. Thanks, Rui