Received: by 10.213.65.68 with SMTP id h4csp838262imn; Sun, 25 Mar 2018 15:15:19 -0700 (PDT) X-Google-Smtp-Source: AIpwx48KC9kywAqrPtLaFnKpTGoBTvjC5+14oWsXrjFTt65zh/arbibK7JOwLK0+ip3RWQluHcOV X-Received: by 10.98.59.139 with SMTP id w11mr3930105pfj.96.1522016118931; Sun, 25 Mar 2018 15:15:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522016118; cv=none; d=google.com; s=arc-20160816; b=YiSfl9bI0TwTlcn5b6yLMExFRPStzQNc482RTd5aI57853Sm1179OGAJRCyY0fhHz9 +VY+VdlPCEwdFy5KttqV4B0eM/kFdexz7zVY1XaR45sQ0zAdCDepOACd1u4ZP2MK0+eO lhMh+auyeyRoWYvmYqVCkQaF6IfrGfat1CvxPD4hynLFrHLKToChENrnTJ3VEqHeYHKf N34pEojtB/fltTsbd/DfO+F+ez/cYOr0evWIS6RD7VhBWTYxXwyK+1IkaZWh8lgWs/eF bNaDiCAHRwSfKQaTaJNvgb0w6HYdacJM0v2MFi5Wk26z0ihQKV0BnWVtukAZb56ln77v 95wg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=aO1o8d4KbG2GW0c59g7ZCJVypDZEudv80Xco5pc4deU=; b=FdzWl6jWaZGsg1QbnggqEwbCllY9R9VZXqREgosyzWMYIjiL18aSqiswTBzCOOwshj +tQrxeTHxwf79bpXsMkvW2wQspWySzn/QCKMUOL0XMcqdiQo5tA4VPQ/cInNvnpLSJBK 0ETLcNXch6udEhxpCNvzgKi/98H4t/7k+6NLMgcJeKXhhQw2bgTm9wY5F0PkgZEUvfUm lSximQ7hhJUY2THFiDJfMAjhPyV5a+NbWZ5F3u0djIkVUIVzOeLUfw6GxJSAXd5iUyxr Wv48rEWBqsMDypKfXUb1gqsYMPAhTCQQwkMuCuAD0fXuy7DWSFzImsT/VOQYCDx0wZit FrcA== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 1-v6si6567030plx.463.2018.03.25.15.15.05; Sun, 25 Mar 2018 15:15:18 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752275AbeCYWMq (ORCPT + 99 others); Sun, 25 Mar 2018 18:12:46 -0400 Received: from terminus.zytor.com ([198.137.202.136]:57867 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751091AbeCYWMa (ORCPT ); Sun, 25 Mar 2018 18:12:30 -0400 Received: from carbon-x1.hos.anvin.org (c-24-5-245-234.hsd1.ca.comcast.net [24.5.245.234] (may be forged)) (authenticated bits=0) by mail.zytor.com (8.15.2/8.15.2) with ESMTPSA id w2PMC0tl006818 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sun, 25 Mar 2018 15:12:00 -0700 Subject: Re: [PATCH v3 2/2] x86, cpuid: allow cpuid_read() to schedule To: Eric Dumazet , Eric Dumazet , x86 Cc: lkml , Thomas Gleixner , Borislav Petkov , Ingo Molnar , Hugh Dickins References: <20180323215818.127774-1-edumazet@google.com> <20180323215818.127774-2-edumazet@google.com> <3622b64c-bae6-00db-6a61-3ccf760144aa@zytor.com> From: "H. Peter Anvin" Message-ID: Date: Sun, 25 Mar 2018 15:11:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/23/18 18:01, Eric Dumazet wrote: > > Indeed, assuming a daemon can have threads running on all cpus :/ > > Some environments like to partition cpus for different jobs/containers. > Then it doesn't need to run it on all cpus... just the one that that particular daemon is "responsible" for. -hpa