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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 A0C8FECE564 for ; Tue, 18 Sep 2018 16:20:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D392E2150E for ; Tue, 18 Sep 2018 16:20:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="SK5UmWca" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D392E2150E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730511AbeIRVxj (ORCPT ); Tue, 18 Sep 2018 17:53:39 -0400 Received: from mproxyhzb2.163.com ([123.58.178.202]:35304 "EHLO mproxyhzb2.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729680AbeIRVxg (ORCPT ); Tue, 18 Sep 2018 17:53:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Subject:From:Message-ID:Date:MIME-Version; bh=bbRL9 w9EeoVL3vWLbwhzHITae1Gt+hdPMZanQQCy7us=; b=SK5UmWcaYhqzPuAsl0jdl 6f6h6hGhTXn8gOn2Hb3YQWUaGZjj0ZPgeXHleQjYn15fc6iuXIUyUbGSvw+mlCbP fkhQUR9iYmGy+T/VQuZpiTawqs+DVB02EBXwVyMhYGjjOcAmkskb6RLEFGmswZC8 W9jYqyoRPfkVdVPI1nCcR4= Received: from [192.168.43.190] (unknown [112.86.218.164]) by smtp3 (Coremail) with SMTP id DdGowAAXHmarIaFb_EopAA--.14S2; Wed, 19 Sep 2018 00:03:08 +0800 (CST) Subject: Re: [PATCH v3 2/2] irq/matrix: Spread managed interrupts on allocation To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, x86@kernel.org, mingo@redhat.com, hpa@zytor.com, douly.fnst@cn.fujitsu.com References: <20180908175838.14450-1-dou_liyang@163.com> <20180908175838.14450-2-dou_liyang@163.com> From: Dou Liyang Message-ID: Date: Wed, 19 Sep 2018 00:02:51 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=gbk; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-CM-TRANSID: DdGowAAXHmarIaFb_EopAA--.14S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7JF47Kr1xJFWxJr15Zr4ruFg_yoW3AFb_ur s2yFy7Gw1UJa90grW7uF1qyFn8XayUJryUJa4UXr10g3s5AFZxGan0yryxXF4rWa42grnI yryrJ34Yyr9rWjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUeGXdUUUUUU== X-Originating-IP: [112.86.218.164] X-CM-SenderInfo: pgrxszxl1d0wi6rwjhhfrp/1tbitxzFolaD3866fgAAsM Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Thomas, On 2018/9/17 23:32, Thomas Gleixner wrote: [...] > I think it's still worthwhile to do that, but the changelog needs a major > overhaul as right now it's outright misleading. I'll just amend it with > something along the above lines, unless someone disagrees. > Yeah, Yes, right, I was wrong, can't prevent vector exhaustion, just make it looks balance as you said. Thank you so much. > That said, it might also be interesting to allow user space affinity > settings on managed interrupts. Not meant for the pre/post vector case, > which just needs to be made non managed. It's meant for the case where a Yes, I am cooking according to the direction you are proposing. Recently, I changed my PC and just completed the configuration of the environment. ;-) Thanks, dou