From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 884AFC197A0 for ; Fri, 17 Nov 2023 15:20:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231719AbjKQPUe (ORCPT ); Fri, 17 Nov 2023 10:20:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231409AbjKQPUc (ORCPT ); Fri, 17 Nov 2023 10:20:32 -0500 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11CDB10C6 for ; Fri, 17 Nov 2023 07:20:27 -0800 (PST) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-281-F94b4dXdPVyEigvX5qO0OA-1; Fri, 17 Nov 2023 15:20:25 +0000 X-MC-Unique: F94b4dXdPVyEigvX5qO0OA-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Fri, 17 Nov 2023 15:20:37 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Fri, 17 Nov 2023 15:20:37 +0000 From: David Laight To: 'Linus Torvalds' CC: Borislav Petkov , David Howells , kernel test robot , "oe-lkp@lists.linux.dev" , "lkp@intel.com" , "linux-kernel@vger.kernel.org" , "Christian Brauner" , Alexander Viro , "Jens Axboe" , Christoph Hellwig , Christian Brauner , Matthew Wilcox , "ying.huang@intel.com" , "feng.tang@intel.com" , "fengwei.yin@intel.com" , linux-toolchains ML Subject: RE: [linus:master] [iov_iter] c9eec08bac: vm-scalability.throughput -16.9% regression Thread-Topic: [linus:master] [iov_iter] c9eec08bac: vm-scalability.throughput -16.9% regression Thread-Index: AQHaGUtnFfqMOen5JUCwmbDFX2u0nbB+dBTggAAPWYCAABKVEA== Date: Fri, 17 Nov 2023 15:20:37 +0000 Message-ID: <451fb3951e504c739d628f3c8b3f7d50@AcuMS.aculab.com> References: <202311061616.cd495695-oliver.sang@intel.com> <3865842.1700061614@warthog.procyon.org.uk> <20231115190938.GGZVUXcuUjI3i1JRAB@fat_crate.local> <20231116154406.GDZVY4xmFvRQt0wGGE@fat_crate.local> <20231117114421.GCZVdSFZ7DKtBol821@fat_crate.local> <67acdf70c3fd4adf9bc0dddd4b10d4a1@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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