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=-3.0 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,USER_AGENT_GIT 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 33EE7C04EB8 for ; Tue, 4 Dec 2018 15:51:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E87D22081C for ; Tue, 4 Dec 2018 15:51:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Vta/+c5S" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E87D22081C 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 S1726459AbeLDPv5 (ORCPT ); Tue, 4 Dec 2018 10:51:57 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:39221 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726421AbeLDPv5 (ORCPT ); Tue, 4 Dec 2018 10:51:57 -0500 Received: by mail-pg1-f196.google.com with SMTP id w6so7548675pgl.6; Tue, 04 Dec 2018 07:51:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=5xSymTNBvPrfVZFxTOq8ZgJdLvjnjnJ8zLIaNWaPasM=; b=Vta/+c5SAWB9HMq5TAwytL3TmuiNtSCcXEL8XS1tnEYlExO+vWjpNAEkK7GNCI/Dxi Fr2wf2gs6AN+EEggIGsgBFtNLcuVi3IO+hvpDysPByhdMu2f9bLahaFUlc1tyWSTBDr3 wtjSbchRKRQUYkaMw5yfDcEDhVofzK1gHPXpCkxOcn+7aJ7OYpRHE73A5qZr0EfKN3hQ PHziOJsZ8ihr8ucozpC2nkm3cvPio8sdArMEiSj65+etbLrruN9qKpDrJQK5FyvAtRQ1 iAbalXc9Th38CuiDAWVy+jhcRVrufdkfxA30VpOnwSeUjT+4zWQ3Xdi0ndSqIxhoQPhK JeqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=5xSymTNBvPrfVZFxTOq8ZgJdLvjnjnJ8zLIaNWaPasM=; b=aCURnJsgRvqhYN4aCb5MRMseL9Q69h5a5RyeFQtkJMjD8Orz/qcqBvx/Xf+rJo8tUa /LmBu1WxeZbiDnKjzPaMDFuCu06HaKq6tgPWvUgrlONIqzoxZu7/uryvAgemIMYBM7ys isyqPLoHm7GgGI3XB4vMWUD3qUaFuqyR+IKpjRXkQ/d0p07cIXzzmmhEwbtmwr8HPUU+ hqU2Qkwf5q7vzNxK8cMEm407xvS7heJK2emG2UhWrHuoy5waATOq4PaXesUgMsdh+r9d v/HqKl8kaMyZCABPGcOLelMON48Tmkzp1YapP82QnhJUFt2Ai6KhF9wESvuX2AW/hYsj rPwQ== X-Gm-Message-State: AA+aEWa6NkljWASLb3Q+bn+b03vP/hao2b6VULvtDJ45Dkl6go1Kt5Ni 2cfrFy26FBn6/igPUjOuOD5y9kHK X-Google-Smtp-Source: AFSGD/Uth9z46M1J4ophFaKBVYGnnqjTGUchYTWMe4VhOLSPdb5v8BJZn2upuX6OCXrkAot3C3TlLg== X-Received: by 2002:a63:7a5b:: with SMTP id j27mr17242144pgn.112.1543938716265; Tue, 04 Dec 2018 07:51:56 -0800 (PST) Received: from localhost.localdomain ([104.238.160.83]) by smtp.gmail.com with ESMTPSA id u78sm40653444pfi.2.2018.12.04.07.51.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Dec 2018 07:51:55 -0800 (PST) From: Dou Liyang To: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Cc: tglx@linutronix.de, 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, Dou Liyang Subject: [PATCH 0/3] irq/core: Fix and expand the irq affinity descriptor Date: Tue, 4 Dec 2018 23:51:19 +0800 Message-Id: <20181204155122.6327-1-douliyangs@gmail.com> X-Mailer: git-send-email 2.17.2 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Now, Spreading the interrupt affinity info by a cpumask pointer is not enough, meets a problem[1] and hard to expand in the future. Fix it by: +-----------------------------------+ | | | struct cpumask *affinity | | | +-----------------------------------+ | +------------------v-------------------+ | | | struct irq_affinity_desc { | | struct cpumask mask; | | unsigned int is_managed : 1; | | }; | | | +--------------------------------------+ [1]:https://marc.info/?l=linux-kernel&m=153543887027997&w=2 Dou Liyang (3): genirq/affinity: Add a new interrupt affinity descriptor irq/affinity: Add is_managed into struct irq_affinity_desc irq/affinity: Fix a possible breakage drivers/pci/msi.c | 9 ++++----- include/linux/interrupt.h | 15 +++++++++++++-- include/linux/irq.h | 6 ++++-- include/linux/irqdomain.h | 6 ++++-- include/linux/msi.h | 4 ++-- kernel/irq/affinity.c | 38 +++++++++++++++++++++++++------------- kernel/irq/devres.c | 4 ++-- kernel/irq/irqdesc.c | 25 +++++++++++++++++-------- kernel/irq/irqdomain.c | 4 ++-- kernel/irq/msi.c | 7 ++++--- 10 files changed, 77 insertions(+), 41 deletions(-) -- 2.17.2