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{
    "id": 807696,
    "url": "http://patchwork.ozlabs.org/api/patches/807696/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/1504109704-17033-1-git-send-email-keith.busch@intel.com/",
    "project": {
        "id": 28,
        "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api",
        "name": "Linux PCI development",
        "link_name": "linux-pci",
        "list_id": "linux-pci.vger.kernel.org",
        "list_email": "linux-pci@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1504109704-17033-1-git-send-email-keith.busch@intel.com>",
    "list_archive_url": null,
    "date": "2017-08-30T16:15:04",
    "name": "vmd: Remove IRQ affinity",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "57df6126e77ba39bf9b25935898ad501eeda9d04",
    "submitter": {
        "id": 19950,
        "url": "http://patchwork.ozlabs.org/api/people/19950/?format=api",
        "name": "Keith Busch",
        "email": "keith.busch@intel.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/1504109704-17033-1-git-send-email-keith.busch@intel.com/mbox/",
    "series": [
        {
            "id": 644,
            "url": "http://patchwork.ozlabs.org/api/series/644/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=644",
            "date": "2017-08-30T16:15:04",
            "name": "vmd: Remove IRQ affinity",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/644/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/807696/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/807696/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<linux-pci-owner@vger.kernel.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-pci-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xj9SV5SqYz9sP5\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 31 Aug 2017 02:09:46 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751443AbdH3QJp (ORCPT <rfc822;incoming@patchwork.ozlabs.org>);\n\tWed, 30 Aug 2017 12:09:45 -0400",
            "from mga02.intel.com ([134.134.136.20]:26011 \"EHLO mga02.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751409AbdH3QJp (ORCPT <rfc822;linux-pci@vger.kernel.org>);\n\tWed, 30 Aug 2017 12:09:45 -0400",
            "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t30 Aug 2017 09:09:28 -0700",
            "from unknown (HELO localhost.lm.intel.com) ([10.232.112.96])\n\tby orsmga002.jf.intel.com with ESMTP; 30 Aug 2017 09:09:27 -0700"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.41,449,1498546800\"; d=\"scan'208\";a=\"129983596\"",
        "From": "Keith Busch <keith.busch@intel.com>",
        "To": "linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>",
        "Cc": "Jon Derrick <jonathan.derrick@intel.com>,\n\tKeith Busch <keith.busch@intel.com>",
        "Subject": "[PATCH] vmd: Remove IRQ affinity",
        "Date": "Wed, 30 Aug 2017 12:15:04 -0400",
        "Message-Id": "<1504109704-17033-1-git-send-email-keith.busch@intel.com>",
        "X-Mailer": "git-send-email 2.5.5",
        "Sender": "linux-pci-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<linux-pci.vger.kernel.org>",
        "X-Mailing-List": "linux-pci@vger.kernel.org"
    },
    "content": "VMD hardware has to share its vectors among child devices in its PCI\ndomain so we should allocate as many as possible rather than just ones\nthat can be affinitized.\n\nReported-by: Brad Goodman <Bradley.Goodman@dell.com>\nSigned-off-by: Keith Busch <keith.busch@intel.com>\n---\n drivers/pci/host/vmd.c | 12 ++----------\n 1 file changed, 2 insertions(+), 10 deletions(-)",
    "diff": "diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c\nindex 4fe1756..509893b 100644\n--- a/drivers/pci/host/vmd.c\n+++ b/drivers/pci/host/vmd.c\n@@ -671,14 +671,6 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)\n \tstruct vmd_dev *vmd;\n \tint i, err;\n \n-\t/*\n-\t * The first vector is reserved for special use, so start affinity at\n-\t * the second vector\n-\t */\n-\tstruct irq_affinity affd = {\n-\t\t.pre_vectors = 1,\n-\t};\n-\n \tif (resource_size(&dev->resource[VMD_CFGBAR]) < (1 << 20))\n \t\treturn -ENOMEM;\n \n@@ -704,8 +696,8 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id)\n \tif (vmd->msix_count < 0)\n \t\treturn -ENODEV;\n \n-\tvmd->msix_count = pci_alloc_irq_vectors_affinity(dev, 1, vmd->msix_count,\n-\t\t\t\t\tPCI_IRQ_MSIX | PCI_IRQ_AFFINITY, &affd);\n+\tvmd->msix_count = pci_alloc_irq_vectors(dev, 1, vmd->msix_count,\n+\t\t\t\t\tPCI_IRQ_MSIX);\n \tif (vmd->msix_count < 0)\n \t\treturn vmd->msix_count;\n \n",
    "prefixes": []
}