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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C736C433B4 for ; Tue, 27 Apr 2021 06:16:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C6F460FD8 for ; Tue, 27 Apr 2021 06:16:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231703AbhD0GRb (ORCPT ); Tue, 27 Apr 2021 02:17:31 -0400 Received: from mout.gmx.net ([212.227.15.15]:41849 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229578AbhD0GRa (ORCPT ); Tue, 27 Apr 2021 02:17:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1619504152; bh=u1ARI6kSbqbn1fj+7+S8J9NDu+ocFwkSKh14BgPhcPI=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=Ufu48wiXEYF47UYDgrEwb1QHYIjHeYGJHWVUV6ePQafh7Tj75rXuUiIG7SoVQCCJF Bh0n+OmUUC7pjexANfJxIa3m4L5dp4wrBrGXbFWEE5tbuPV57boytj5u3a0BtjSD12 Whowwj1QBzCvayQLLqieHUJIXMtqACEAojnQgK3w= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.191.217.83]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1Mo6qv-1lGUSS3yix-00pfLh; Tue, 27 Apr 2021 08:15:52 +0200 Message-ID: Subject: Re: [PATCH] sched/fair: don't use waker's cpu if the waker of sync wake-up is interrupt From: Mike Galbraith To: "Song Bao Hua (Barry Song)" , "vincent.guittot@linaro.org" , "mingo@redhat.com" , "peterz@infradead.org" , "dietmar.eggemann@arm.com" , "rostedt@goodmis.org" , "bsegall@google.com" , "mgorman@suse.de" Cc: "valentin.schneider@arm.com" , "juri.lelli@redhat.com" , "bristot@redhat.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "xuwei (O)" , "Zengtao (B)" , "guodong.xu@linaro.org" , yangyicong , "Liguozhu (Kenneth)" , "linuxarm@openeuler.org" , wanghuiqiang , "xieyongjia (A)" Date: Tue, 27 Apr 2021 08:15:48 +0200 In-Reply-To: <6c91195a6de9423abc78e8f85efc2780@hisilicon.com> References: <20210427023758.4048-1-song.bao.hua@hisilicon.com> <9a6cadd9b65068b52c95adc44119bd09c6a4f9d7.camel@gmx.de> <3fe7113cc87ac89077b55ca55bda2b99729f13c8.camel@gmx.de> <6c91195a6de9423abc78e8f85efc2780@hisilicon.com> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:y8XDyx0Ntg6TO6pYiuJHzLN0KtDRnm6QvWBEZd1pz5SZOrNT2hA L6ChYwBS+0p8LD7oWjunZddHwCZMVENOgLJ0RlOEiLxIy3Y0d9P9gCPC4Bm7YkepXMfryca kuSiIQ8AIRXpY1/S0naCtE0HOWJzIIHIU6bzhqU2lXSAk1ngZ3R0BX8LRlKQ5SxKuhO/rV5 cCygV/OpYLZrL11e1xoFg== X-UI-Out-Filterresults: notjunk:1;V03:K0:H6L0mAn/A7U=:fe+tgPQxK59mJOgblkqIHO x+HWHd323ShjqRixVm8JYr7MaPG71VxUCpf9+vkSfSLHVxzfOC2u64T43T1ipjcCQwoIzrgAL vYjrF6Birg56tgFqPN54aYfwrBC9IxfSI/yBHNoW9E6xeE/nfnYknqEimyH3TJGBhD9TseB8F 6y9uyvL7KRpuUQHDkHMZhZB+EWTvtKyr5WHyyEiNqkd82B0kDXajQuW7IVJ3JTNFe16K+moZX iTljBDfr37PByVK1KMzr3jiI1xyurtsyuwsEQvJ4znBzV3rfYD1cFHC7UvM+bWHA8/IrjSlpx r5SuAmBcaMyagdEz6KGXlHnnj64hKd7GWkEREoC5mKeUzek0dzokr2LPPE7ykrb1sCT8aAYvN Z3XQj7QTWaTPGK1VXutQPEKJzNeEwO0+qjwD8tKEd7Gfs8r9S2eRPQLAoIQPwJ5RJ4WsGz0XS GKZDqwfRsLWto5UN9YT4Jpn/YFt/RK0nSGowaTP3iiHvIOgBFNK89VE9Z8cbQ7Nj4PYPmM9Uu +8NuqS7BGxRQ95UITVaDKK5mSO8S1gHtqO0C4erUUaVR1Wx3xNrSXEbUPYmm5DAScBY2u6Af4 icuUGFgtXmHxXmt7hSmrBa6/WSnSKGucf4INvS/2v62KaH4PaTsUF3aOiS2HMtwXjlwqD57Lq z87eUOeF7Vsl3+wwx7aL05MDHvzudjRx3vubgXqALXUayYtXsXgPuyDYfc0Su/y8C9JzmEKGg tTxLxdqQvHYfuq5uxhsqtzjGB5pKh04V2D47qSfpL0IiHAVZQovuHnsRS9HCB5VSm2CkLLtEu UUDulTUpjwZxTabTDiwema3vzCLGipmRbZzbAlnmTJbOs+NngTSEgX9ly8Di/9Th8K6yTFIhu VexDlN0zg/NomjEXiPtgBXpckWoMcgzFSOm24i8wZP4q6BadvkWH8CrPwTsBvWH0Pcq/H/ZsR xJ5h3RUovNzEty2t433GQLX6AQ4fLmdn6vRtz0kau80fVjbRDVRjb5YwopY33hZUzG4FKyxy7 nQpTBHMK5MpH4Q22GNYuG7KI30+oad0DvCbU3Cv80lIz6b8YQKym0zxwi5t8I7GSodp8uJ3UU 6zDq9iR1xY2v55DXNr3RcbvW8w/EJtc8ZK/uIF5vhkoaHchH1Tyxz8hlTDVkeesdCs3TCw5it P2I3Mg87Rv562YyimV2iGXT5lLHOEaJGMtFqVb2xE5dxtLEFMH+FGMePFUf2bxzuRf+JM= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2021-04-27 at 06:05 +0000, Song Bao Hua (Barry Song) wrote: > > Would you like to share the link you did before to filter interrupt > wakeups? Can't, failed experiments go only to my Bitmaster-9000 patch shredder to avoid needing a snow plow to get to near my box. Besides, it was long ago in a much changed code base. -Mike