Received: by 2002:a25:f815:0:0:0:0:0 with SMTP id u21csp2720810ybd; Thu, 27 Jun 2019 18:21:12 -0700 (PDT) X-Google-Smtp-Source: APXvYqzOZWQLBPPRV7fHnP0ZAlT0kKqVTQeOAMFyZ71nYIaMqGE2pxbVchiYtBfQ1Y+A37KvWSMJ X-Received: by 2002:a65:41c5:: with SMTP id b5mr6844353pgq.128.1561684872297; Thu, 27 Jun 2019 18:21:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561684872; cv=none; d=google.com; s=arc-20160816; b=D62Zgypfi5+qatUCEJ9ShPAK++F8q4rQvjwfqfz0IKJDMnYcnRBp+DAhtmKs/ImObY VsafRySgHhWEvDg5hkze+/zPiZcfb54TavZHNyP05HibFZgfEHWJlx4uFTEcTtwkY7j+ cDZJfKpaz95p01JImFg2rcb5eg9zoqkGirYGtcG8ISKn8892dlH8u4kd3fiqcCt1C83w SJ8QpE451KvYHvpv5NRk+jvBJskplBv6vzU4u3f70w7AJDz63YiZsMYI+qHFmC9N/14E fcmFJeOLN4eKjnL3vM40w+4v4ZGBMCKKldnp0CG5Ksm9Do5+n5fkqaQoEME9LKEocCYW kvOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=3Ti+XeiZIG8gZHKV0F1uZk3BmPboV2k4t54wwPyLBzM=; b=tX/petEhi3Fbj03jwUEPvZOQVExsmXnT5HVreJBQkl2qDDnMsPpphdQzkF2yW1ZkJg YAyErZMhMCniXW8LYT5I/UIATWCsgWXiSHozRIDQMYp10GjWv7ArRa+yfDNBDjgi+4Hy B132jXhS6+1CREaOFizc1ZX/TBoKIPQfKAZ85lLsxir7/a5cI0LYjrib641q/bp9wKHo +AwlVzPq9PwLVUzcB1ouxyFZ1v3J2Ww8osWQYAANmVOB45jcvZ+61SjxoUn9g/EHh9J0 Iavb9maxB6wreRfGp4r65kzEsLXbXXbTdyKQH+W174uNt1RxLNnP0MJKocAjDTD4Ot+3 QV4g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=iwSvAWcD; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v9si796725pfm.50.2019.06.27.18.20.56; Thu, 27 Jun 2019 18:21:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=iwSvAWcD; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726772AbfF1BTA (ORCPT + 99 others); Thu, 27 Jun 2019 21:19:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:51742 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726606AbfF1BS7 (ORCPT ); Thu, 27 Jun 2019 21:18:59 -0400 Received: from localhost (lfbn-ncy-1-174-150.w83-194.abo.wanadoo.fr [83.194.254.150]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4D777208CB; Fri, 28 Jun 2019 01:18:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561684738; bh=VuRBdbHTmTYQIc2cT3UM6zcEtz1KIv/xAzv14ySlnZs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iwSvAWcDiuS4sVMsbBqonRBulKOC8yGUFMQBy/bcsZFKnkNdsWdWyqLbuuT6ygCgZ TA6Gmx3zByO237MJF9RJ6t2wanIINvh7wNvsvKix+IW68TzbwYTRdI0/xpEdHo8EIm q4wEgiBLdUnGDEzQpJ1q/XxDLbOE+oRffJ6w9eXY= Date: Fri, 28 Jun 2019 03:18:55 +0200 From: Frederic Weisbecker To: Wanpeng Li Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Ingo Molnar , Thomas Gleixner Subject: Re: [PATCH RESEND v3] sched/isolation: Prefer housekeeping cpu in local node Message-ID: <20190628011854.GB19488@lerouge> References: <1561682593-12071-1-git-send-email-wanpengli@tencent.com> <1561682593-12071-2-git-send-email-wanpengli@tencent.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1561682593-12071-2-git-send-email-wanpengli@tencent.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 28, 2019 at 08:43:13AM +0800, Wanpeng Li wrote: > From: Wanpeng Li > > In real product setup, there will be houseeking cpus in each nodes, it > is prefer to do housekeeping from local node, fallback to global online > cpumask if failed to find houseeking cpu from local node. > > Cc: Ingo Molnar > Cc: Peter Zijlstra > Cc: Frederic Weisbecker > Cc: Thomas Gleixner > Signed-off-by: Wanpeng Li Reviewed-by: Frederic Weisbecker Thanks!