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GET /api/patches/808698/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
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{
    "id": 808698,
    "url": "http://patchwork.ozlabs.org/api/patches/808698/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170901140234.7840-3-sassmann@kpanic.de/",
    "project": {
        "id": 46,
        "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api",
        "name": "Intel Wired Ethernet development",
        "link_name": "intel-wired-lan",
        "list_id": "intel-wired-lan.osuosl.org",
        "list_email": "intel-wired-lan@osuosl.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170901140234.7840-3-sassmann@kpanic.de>",
    "list_archive_url": null,
    "date": "2017-09-01T14:02:34",
    "name": "[2/2] Revert \"i40e: remove WQ_UNBOUND and the task limit of our workqueue\"",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "68d4e80c38ba737adfe3b914ebd561565c7bd7e0",
    "submitter": {
        "id": 7508,
        "url": "http://patchwork.ozlabs.org/api/people/7508/?format=api",
        "name": "Stefan Assmann",
        "email": "sassmann@kpanic.de"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20170901140234.7840-3-sassmann@kpanic.de/mbox/",
    "series": [
        {
            "id": 1036,
            "url": "http://patchwork.ozlabs.org/api/series/1036/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=1036",
            "date": "2017-09-01T14:02:34",
            "name": "i40e: fix firmware update",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/1036/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/808698/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/808698/checks/",
    "tags": {},
    "related": [],
    "headers": {
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            "intel-wired-lan@lists.osuosl.org"
        ],
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        ],
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            "from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xkLg41t7dz9s7F\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  2 Sep 2017 00:07:59 +1000 (AEST)",
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            "from smtp.corp.redhat.com\n\t(int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id DEEC77F350;\n\tFri,  1 Sep 2017 14:02:47 +0000 (UTC)",
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        ],
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        ],
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        "DKIM-Filter": "OpenDKIM Filter v2.11.0 mx1.redhat.com DEEC77F350",
        "From": "Stefan Assmann <sassmann@kpanic.de>",
        "To": "intel-wired-lan@lists.osuosl.org",
        "Date": "Fri,  1 Sep 2017 16:02:34 +0200",
        "Message-Id": "<20170901140234.7840-3-sassmann@kpanic.de>",
        "In-Reply-To": "<20170901140234.7840-1-sassmann@kpanic.de>",
        "References": "<20170901140234.7840-1-sassmann@kpanic.de>",
        "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.12",
        "Cc": "netdev@vger.kernel.org, davem@davemloft.net, sassmann@kpanic.de",
        "Subject": "[Intel-wired-lan] [PATCH 2/2] Revert \"i40e: remove WQ_UNBOUND and\n\tthe task limit of our workqueue\"",
        "X-BeenThere": "intel-wired-lan@osuosl.org",
        "X-Mailman-Version": "2.1.18-1",
        "Precedence": "list",
        "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>",
        "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>",
        "List-Post": "<mailto:intel-wired-lan@osuosl.org>",
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        "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>",
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        "Errors-To": "intel-wired-lan-bounces@osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>"
    },
    "content": "This reverts commit 4d5957cbdecdbb77d24c1465caadd801c07afa4a.\n\nDue to this workqueue change the eeprom check right after flashing\nfirmware fails, although the flash itself completed successfully.\nThe error observed looks like this\ni40e 0000:88:00.0: eeprom check failed (-62), Tx/Rx traffic disabled\nThe NIC is fully operational after the flash and even after a cold boot\nany follow-up eeprom checks succeed.\n\nThis needs to be investigated, but for now it should be more important\nto make sure the firmware update works as expected.\n\nSigned-off-by: Stefan Assmann <sassmann@kpanic.de>\n---\n drivers/net/ethernet/intel/i40e/i40e_main.c | 12 +++++-------\n 1 file changed, 5 insertions(+), 7 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 6498da8806cb..069b6683e1b0 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -12160,14 +12160,12 @@ static int __init i40e_init_module(void)\n \t\ti40e_driver_string, i40e_driver_version_str);\n \tpr_info(\"%s: %s\\n\", i40e_driver_name, i40e_copyright);\n \n-\t/* There is no need to throttle the number of active tasks because\n-\t * each device limits its own task using a state bit for scheduling\n-\t * the service task, and the device tasks do not interfere with each\n-\t * other, so we don't set a max task limit. We must set WQ_MEM_RECLAIM\n-\t * since we need to be able to guarantee forward progress even under\n-\t * memory pressure.\n+\t/* we will see if single thread per module is enough for now,\n+\t * it can't be any worse than using the system workqueue which\n+\t * was already single threaded\n \t */\n-\ti40e_wq = alloc_workqueue(\"%s\", WQ_MEM_RECLAIM, 0, i40e_driver_name);\n+\ti40e_wq = alloc_workqueue(\"%s\", WQ_UNBOUND | WQ_MEM_RECLAIM, 1,\n+\t\t\t\t  i40e_driver_name);\n \tif (!i40e_wq) {\n \t\tpr_err(\"%s: Failed to create workqueue\\n\", i40e_driver_name);\n \t\treturn -ENOMEM;\n",
    "prefixes": [
        "2/2"
    ]
}