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GET /api/patches/669013/?format=api
{ "id": 669013, "url": "http://patchwork.ozlabs.org/api/patches/669013/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/1473715124-31296-8-git-send-email-bimmy.pujari@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": "<1473715124-31296-8-git-send-email-bimmy.pujari@intel.com>", "list_archive_url": null, "date": "2016-09-12T21:18:43", "name": "[next,S46,7/8] i40e: don't configure zero-size RSS table", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "8f421583b273402e8018c6c9668cd14aa6f2f5e1", "submitter": { "id": 68919, "url": "http://patchwork.ozlabs.org/api/people/68919/?format=api", "name": "Pujari, Bimmy", "email": "bimmy.pujari@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/1473715124-31296-8-git-send-email-bimmy.pujari@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/669013/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/669013/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\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 3sY10Q1rRkz9sdg\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 13 Sep 2016 07:19:34 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id C1AA188AD2;\n\tMon, 12 Sep 2016 21:19:32 +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 frEWZnUmyFMC; Mon, 12 Sep 2016 21:19:31 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 279BA88FC4;\n\tMon, 12 Sep 2016 21:19:26 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id 896E91C2D64\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tMon, 12 Sep 2016 21:19:21 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 850163161C\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tMon, 12 Sep 2016 21:19:21 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 3ov2fKtrE3ef for <intel-wired-lan@lists.osuosl.org>;\n\tMon, 12 Sep 2016 21:19:18 +0000 (UTC)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby silver.osuosl.org (Postfix) with ESMTPS id A74A231616\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tMon, 12 Sep 2016 21:19:17 +0000 (UTC)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby orsmga105.jf.intel.com with ESMTP; 12 Sep 2016 14:19:16 -0700", "from bimmy.jf.intel.com (HELO bimmy.linux1.jf.intel.com)\n\t([134.134.2.177])\n\tby orsmga003.jf.intel.com with ESMTP; 12 Sep 2016 14:19:17 -0700" ], "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=\"5.30,324,1470726000\"; d=\"scan'208\";a=\"877982164\"", "From": "Bimmy Pujari <bimmy.pujari@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Mon, 12 Sep 2016 14:18:43 -0700", "Message-Id": "<1473715124-31296-8-git-send-email-bimmy.pujari@intel.com>", "X-Mailer": "git-send-email 2.4.11", "In-Reply-To": "<1473715124-31296-1-git-send-email-bimmy.pujari@intel.com>", "References": "<1473715124-31296-1-git-send-email-bimmy.pujari@intel.com>", "Subject": "[Intel-wired-lan] [next PATCH S46 7/8] i40e: don't configure\n\tzero-size RSS table", "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\nIn some rare cases, we might get a VSI with no queues. In this case, we\ncannot configure RSS on this VSI as it will try to divide by zero when\nconfiguring the lookup table.\n\nSigned-off-by: Mitch Williams <mitch.a.williams@intel.com>\nChange-ID: I6ae173a7dd3481a081e079eb10eb80275de2adb0\n---\nTesting Hints : This bug showed up at Red Hat while\ntesting a DUP. It looks like you need Purley and need to enable 32 VFs\non all PFs. I haven't reproduced the bug; this was found via code\ninspection.\n\nHSD-number: 10020370\n\n drivers/net/ethernet/intel/i40e/i40e_main.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c\nindex 995dc44..7fb08f8 100644\n--- a/drivers/net/ethernet/intel/i40e/i40e_main.c\n+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c\n@@ -8265,6 +8265,8 @@ static int i40e_pf_config_rss(struct i40e_pf *pf)\n \tif (!vsi->rss_size)\n \t\tvsi->rss_size = min_t(int, pf->alloc_rss_size,\n \t\t\t\t vsi->num_queue_pairs);\n+\tif (!vsi->rss_size)\n+\t\treturn -EINVAL;\n \n \tlut = kzalloc(vsi->rss_table_size, GFP_KERNEL);\n \tif (!lut)\n", "prefixes": [ "next", "S46", "7/8" ] }