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GET /api/patches/595987/?format=api
{ "id": 595987, "url": "http://patchwork.ozlabs.org/api/patches/595987/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1457650791-100229-12-git-send-email-avinash.dayanand@intel.com/", "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": "<1457650791-100229-12-git-send-email-avinash.dayanand@intel.com>", "list_archive_url": null, "date": "2016-03-10T22:59:49", "name": "[next,S30,v3,11/13] i40evf: Add additional check for reset", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "3a24a7f19f4137ca0e9e25be9cb1a03e1c666f14", "submitter": { "id": 67689, "url": "http://patchwork.ozlabs.org/api/people/67689/?format=api", "name": "Dayanand, Avinash", "email": "avinash.dayanand@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1457650791-100229-12-git-send-email-avinash.dayanand@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/595987/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/595987/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ozlabs.org (Postfix) with ESMTP id 3E7CF1409C2\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 11 Mar 2016 10:02:54 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 8D4A5A5E3A;\n\tThu, 10 Mar 2016 23:02:53 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 3_A256Pr154q; Thu, 10 Mar 2016 23:02:52 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 6E717A5E94;\n\tThu, 10 Mar 2016 23:02:52 +0000 (UTC)", "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\tby ash.osuosl.org (Postfix) with ESMTP id DD75D1C11BA\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 10 Mar 2016 23:02:48 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id D9704956D1\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 10 Mar 2016 23:02:48 +0000 (UTC)", "from hemlock.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id gxKQDLK5cZ-U for <intel-wired-lan@lists.osuosl.org>;\n\tThu, 10 Mar 2016 23:02:48 +0000 (UTC)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 7791D956EB\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tThu, 10 Mar 2016 23:02:48 +0000 (UTC)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby fmsmga103.fm.intel.com with ESMTP; 10 Mar 2016 15:02:27 -0800", "from avi-linux1.jf.intel.com ([10.166.12.50])\n\tby orsmga003.jf.intel.com with ESMTP; 10 Mar 2016 15:02:26 -0800" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.24,317,1455004800\"; d=\"scan'208\";a=\"761961644\"", "From": "ajdayana <avinash.dayanand@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Thu, 10 Mar 2016 14:59:49 -0800", "Message-Id": "<1457650791-100229-12-git-send-email-avinash.dayanand@intel.com>", "X-Mailer": "git-send-email 2.4.3", "In-Reply-To": "<1457650791-100229-1-git-send-email-avinash.dayanand@intel.com>", "References": "<1457650791-100229-1-git-send-email-avinash.dayanand@intel.com>", "Subject": "[Intel-wired-lan] [next PATCH S30 v3 11/13] i40evf: Add additional\n\tcheck for reset", "X-BeenThere": "intel-wired-lan@lists.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.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "From: Mitch Williams <mitch.a.williams@intel.com>\n\nIf the driver happens to read a register during the time in which the\ndevice is undergoing reset, it will receive a value of 0xdeadbeef\ninstead of a valid value. Unfortunately, the driver may misinterpret\nthis as a valid value, especially if it's just looking for individual\nbits.\n\nAdd an explicit check for this value when we are looking for admin queue\nerrors, and trigger reset recovery if we find it.\n\nSigned-off-by: Mitch Williams <mitch.a.williams@intel.com>\n---\n drivers/net/ethernet/intel/i40evf/i40evf_main.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c\nindex 820ad94..d783c1b 100644\n--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c\n+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c\n@@ -1994,6 +1994,8 @@ static void i40evf_adminq_task(struct work_struct *work)\n \n \t/* check for error indications */\n \tval = rd32(hw, hw->aq.arq.len);\n+\tif (val == 0xdeadbeef) /* indicates device in reset */\n+\t\tgoto freedom;\n \toldval = val;\n \tif (val & I40E_VF_ARQLEN1_ARQVFE_MASK) {\n \t\tdev_info(&adapter->pdev->dev, \"ARQ VF Error detected\\n\");\n", "prefixes": [ "next", "S30", "v3", "11/13" ] }