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{
    "id": 64139,
    "url": "http://patches.dpdk.org/api/patches/64139/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/CAJ++VZOZd38KC0r02XrOLhsTiDCHBKcayeGT9LP8YeNdj14ZWg@mail.gmail.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
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        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<CAJ++VZOZd38KC0r02XrOLhsTiDCHBKcayeGT9LP8YeNdj14ZWg@mail.gmail.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/CAJ++VZOZd38KC0r02XrOLhsTiDCHBKcayeGT9LP8YeNdj14ZWg@mail.gmail.com",
    "date": "2019-12-27T00:58:39",
    "name": "pci device access from dpdk secondary process with igb_uio",
    "commit_ref": null,
    "pull_url": null,
    "state": "not-applicable",
    "archived": true,
    "hash": "1b8193ceb215aa67611df68ef12e6953763855fd",
    "submitter": {
        "id": 1549,
        "url": "http://patches.dpdk.org/api/people/1549/?format=api",
        "name": "Vijaya Mohan Guvva",
        "email": "vijay1054@gmail.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/CAJ++VZOZd38KC0r02XrOLhsTiDCHBKcayeGT9LP8YeNdj14ZWg@mail.gmail.com/mbox/",
    "series": [
        {
            "id": 7954,
            "url": "http://patches.dpdk.org/api/series/7954/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=7954",
            "date": "2019-12-27T00:58:39",
            "name": "pci device access from dpdk secondary process with igb_uio",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/7954/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/64139/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/64139/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
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        "MIME-Version": "1.0",
        "From": "vijay mohan <vijay1054@gmail.com>",
        "Date": "Thu, 26 Dec 2019 16:58:39 -0800",
        "Message-ID": "\n <CAJ++VZOZd38KC0r02XrOLhsTiDCHBKcayeGT9LP8YeNdj14ZWg@mail.gmail.com>",
        "To": "dev@dpdk.org",
        "Content-Type": "text/plain; charset=\"UTF-8\"",
        "X-Content-Filtered-By": "Mailman/MimeDel 2.1.15",
        "Subject": "[dpdk-dev] pci device access from dpdk secondary process with\n\tigb_uio",
        "X-BeenThere": "dev@dpdk.org",
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        "Precedence": "list",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Hi All,\nI am trying to use pci vf device with secondary process in a multiple\nprocess mode and finding pci_dev->mem_resource[0].addr to be NULL. This\nhappens when the pci device is attached to igb_uio.ko but with vfio_pci it\nworks fine.\n\nLooking at the pci device initialization part for secondary process, when\ndevice is presented through igb_uio, (in pci_uio_map_secondary), it doesn't\nseems to update pci_dev->mem_resource[X].addr. For vfio-pci, it updates the\naddresses in pci_vfio_map_resource_secondary. With the following patch, i\nam able to use the device from secondary process but would like to know if\nI am missing something.",
    "diff": "diff --git a/drivers/bus/pci/pci_common_uio.c\nb/drivers/bus/pci/pci_common_uio.c\nindex 7ea73db..f4dca9d 100644\n--- a/drivers/bus/pci/pci_common_uio.c\n+++ b/drivers/bus/pci/pci_common_uio.c\n@@ -70,6 +70,7 @@\n                                }\n                                return -1;\n                        }\n+                       dev->mem_resource[i].addr = mapaddr;\n                }\n                return 0;\n        }\n",
    "prefixes": []
}