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GET /api/patches/521458/?format=api
{ "id": 521458, "url": "http://patchwork.ozlabs.org/api/patches/521458/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20150922213535.2774.9863.stgit@ahduyck-vm-fedora22/", "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": "<20150922213535.2774.9863.stgit@ahduyck-vm-fedora22>", "list_archive_url": null, "date": "2015-09-22T21:35:35", "name": "[net,2/3] fm10k: Fix handling of napi budget when multiple queues are enabled per vector", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "52c902ed10fda991d4e5eeb1d7d3550fc11285c2", "submitter": { "id": 67293, "url": "http://patchwork.ozlabs.org/api/people/67293/?format=api", "name": "Alexander Duyck", "email": "aduyck@mirantis.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/20150922213535.2774.9863.stgit@ahduyck-vm-fedora22/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/521458/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/521458/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 475AD140770\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 23 Sep 2015 08:16:45 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 5434EA465E;\n\tTue, 22 Sep 2015 22:16:44 +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 hE-UoVf1GzGZ; Tue, 22 Sep 2015 22:16:42 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 99A2CA425C;\n\tTue, 22 Sep 2015 22:16:42 +0000 (UTC)", "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ash.osuosl.org (Postfix) with ESMTP id 7E6711C1E6F\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 22 Sep 2015 21:40:59 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 79A7BA46E7\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 22 Sep 2015 21:40:59 +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 7xkiCcxeXJz6 for <intel-wired-lan@lists.osuosl.org>;\n\tTue, 22 Sep 2015 21:40:58 +0000 (UTC)", "from mail-pa0-f54.google.com (mail-pa0-f54.google.com\n\t[209.85.220.54])\n\tby fraxinus.osuosl.org (Postfix) with ESMTPS id A39DDA45C9\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 22 Sep 2015 21:40:58 +0000 (UTC)", "by pacbt3 with SMTP id bt3so1895505pac.3\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 22 Sep 2015 14:40:58 -0700 (PDT)", "from [192.168.122.149] (50-43-10-6.bvtn.or.frontiernet.net.\n\t[50.43.10.6]) by smtp.gmail.com with ESMTPSA id\n\thh3sm4091364pbc.8.2015.09.22.14.35.35\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tTue, 22 Sep 2015 14:35:35 -0700 (PDT)" ], "Authentication-Results": "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=mirantis.com header.i=@mirantis.com\n\theader.b=hEztsO/X; 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\n\tTue, 22 Sep 2015 14:35:36 -0700 (PDT)", "From": "Alexander Duyck <aduyck@mirantis.com>", "To": "netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org", "Date": "Tue, 22 Sep 2015 14:35:35 -0700", "Message-ID": "<20150922213535.2774.9863.stgit@ahduyck-vm-fedora22>", "In-Reply-To": "<20150922213002.2774.37924.stgit@ahduyck-vm-fedora22>", "References": "<20150922213002.2774.37924.stgit@ahduyck-vm-fedora22>", "User-Agent": "StGit/0.17.1-dirty", "MIME-Version": "1.0", "X-Mailman-Approved-At": "Tue, 22 Sep 2015 22:16:41 +0000", "Subject": "[Intel-wired-lan] [net PATCH 2/3] fm10k: Fix handling of napi\n\tbudget when multiple queues are enabled per vector", "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>", "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": "This patch corrects an issue in which the polling routine would increase\nthe budget for Rx to at least 1 per queue if multiple queues were present.\nThis would result in Rx packets being processed when the budget was 0 which\nis meant to indicate that no Rx can be handled.\n\nSigned-off-by: Alexander Duyck <aduyck@mirantis.com>\n---\n drivers/net/ethernet/intel/fm10k/fm10k_main.c | 4 ++++\n 1 file changed, 4 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c\nindex 92d415584749..b5bcb8255260 100644\n--- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c\n+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c\n@@ -1413,6 +1413,10 @@ static int fm10k_poll(struct napi_struct *napi, int budget)\n \tfm10k_for_each_ring(ring, q_vector->tx)\n \t\tclean_complete &= fm10k_clean_tx_irq(q_vector, ring);\n \n+\t/* Handle case where we are called by netpoll with a budget of 0 */\n+\tif (budget <= 0)\n+\t\treturn budget;\n+\n \t/* attempt to distribute budget to each queue fairly, but don't\n \t * allow the budget to go below 1 because we'll exit polling\n \t */\n", "prefixes": [ "net", "2/3" ] }