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=-1.0 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 78A07C07E85 for ; Tue, 11 Dec 2018 16:27:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3E5782086D for ; Tue, 11 Dec 2018 16:27:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gBUJ2OUJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E5782086D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-pci-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbeLKQ1S (ORCPT ); Tue, 11 Dec 2018 11:27:18 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:45127 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726628AbeLKQ1S (ORCPT ); Tue, 11 Dec 2018 11:27:18 -0500 Received: by mail-pg1-f194.google.com with SMTP id y4so6847671pgc.12; Tue, 11 Dec 2018 08:27:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=LcdxETSJ8fzBjx5LqF+wJ2pQmSCMcXLgwJEArEe+XLk=; b=gBUJ2OUJZsl2s/RkBVNYxShA1TMx/30Tukra7shw3W5M55wP8ax/RfnjCSyUrNiVMb geAK7NjGeq8RgRsBdWDD9aFU9uL9/iZ5v18B6IMFKswUhXHtaNqS4y8lPkWPhMWxF73d LfoG4Oeubq+oyemBbF2WvgqkTR9rkjhBIGT+rkAjAZeSsS21YHj2msOXK7Mq57s+Wweq TGxgOVRrIk36s0sauCCbtYrYmFTo/mcXofWc27awAaxeywjd+V6OB9JQIRLMP/rVWDKb gHopTbDMUx4cLAmy1u/C4/Pf493cFiG/FPyvbhHDoYRG5WKAJxMRuxKAaFIabwKweRx7 HSyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=LcdxETSJ8fzBjx5LqF+wJ2pQmSCMcXLgwJEArEe+XLk=; b=Z6DrZCsPUILlDGtkS3/Jtc6QcXtdvLa3HgJVP90Oqq5qpmjhU1ZtKWN7JHTfqZvFI/ tPGpA/KIsESvTy6J7hWr9RYZlr7oWAK+hQB7Euh1TIyUbkescJgXA+GtDIh+XtsX26KF CYSXvD8lpFvn4DltWlN1KaMky4szqDAw/tsgKB73QZ/BW+dlFIJFBdETAxqumvQgQgGo NOYOqsn68FVDXDVmmaZ8tlgJFdsUleK7Ien0Y82+/l9vD/Sn4MtHW0LTc2GssfGWf6kP adcAhUuOrs83b8lMXHziJ2/ltaNne0oL2w1zDFnaWgfPZBZbZYr4whs6gXo6vBToeiic NJqA== X-Gm-Message-State: AA+aEWbJQbXOWTmLtwHpjeljR9HqVW+S4u+awQ2dVLyZ+rhH7HQUN+Fx D+R2QDDCnaswiw57z00vNcE= X-Google-Smtp-Source: AFSGD/UftvdFHcdYQdVouyoqyxbbcy4aKFOuUoNtzH1oL++zPp2sIDIXC2/4TPH3iwn/CuMT27l12g== X-Received: by 2002:a62:1c7:: with SMTP id 190mr16979334pfb.46.1544545637512; Tue, 11 Dec 2018 08:27:17 -0800 (PST) Received: from localhost.localdomain ([104.238.160.83]) by smtp.gmail.com with ESMTPSA id t67sm27010146pfd.90.2018.12.11.08.27.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 11 Dec 2018 08:27:16 -0800 (PST) Subject: Re: [PATCH 3/3] irq/affinity: Fix a possible breakage To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, kashyap.desai@broadcom.com, shivasharan.srikanteshwara@broadcom.com, sumit.saxena@broadcom.com, ming.lei@redhat.com, hch@lst.de, bhelgaas@google.com, douliyang1@huawei.com References: <20181204155122.6327-1-douliyangs@gmail.com> <20181204155122.6327-4-douliyangs@gmail.com> From: Dou Liyang Message-ID: <4b5830d3-0656-dc17-abb7-b6145c7516a0@gmail.com> Date: Wed, 12 Dec 2018 00:27:08 +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 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi tglx, on 2018/12/5 16:28, Thomas Gleixner wrote: > On Tue, 4 Dec 2018, Dou Liyang wrote: > >> In case of irq_default_affinity != cpu_possible_mask, setting the affinity >> for the pre/post vectors to irq_default_affinity is a breakage. > > Why so? All interrupts which are not managed get te default affinity > mask. It can be different than cpu_possible_mask, but that's what the admin > has set. The affinity of these non-managed interrupts can still be set via > /proc/... so where is the breakage? I misunderstood it. please ignore this, ;-) Thanks, dou