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GET /api/patches/107695/?format=api
{ "id": 107695, "url": "http://patches.dpdk.org/api/patches/107695/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20220216160610.475242-3-bruce.richardson@intel.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", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20220216160610.475242-3-bruce.richardson@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20220216160610.475242-3-bruce.richardson@intel.com", "date": "2022-02-16T16:06:08", "name": "[2/3] dma/idxd: configure max batch size to high value", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "a58e1d5b67fc5d415af30780d56c49c713a5918d", "submitter": { "id": 20, "url": "http://patches.dpdk.org/api/people/20/?format=api", "name": "Bruce Richardson", "email": "bruce.richardson@intel.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/20220216160610.475242-3-bruce.richardson@intel.com/mbox/", "series": [ { "id": 21696, "url": "http://patches.dpdk.org/api/series/21696/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=21696", "date": "2022-02-16T16:06:09", "name": "idxd driver update fixes", "version": 1, "mbox": "http://patches.dpdk.org/series/21696/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/107695/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/107695/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id A468FA00C5;\n\tWed, 16 Feb 2022 17:08:29 +0100 (CET)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 9670941169;\n\tWed, 16 Feb 2022 17:08:29 +0100 (CET)", "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n by mails.dpdk.org (Postfix) with ESMTP id F3ADF40150;\n Wed, 16 Feb 2022 17:08:27 +0100 (CET)", "from orsmga005.jf.intel.com ([10.7.209.41])\n by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Feb 2022 08:06:39 -0800", "from silpixa00401026.ir.intel.com ([10.243.22.62])\n by orsmga005.jf.intel.com with ESMTP; 16 Feb 2022 08:06:37 -0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1645027708; x=1676563708;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=3ENkEFvJhg0TDFwKtY5RLQGlBw6dmvox33aQ85eDMf8=;\n b=YaWYzpfPQ5smhM2tnA8e2UTki1IBgJy4nOnM0TZky7/WVxOwPZC5p8dy\n 74YZa7edGltDCujEgUD9Gwm8P3NFtCLCeczKumtloIrE0xxfkf+Z3wJAG\n jrLQ69laGc6PrCu+/82JVGN3PaM41xC9h/ziqLgr0M99EF49+GZ4XlYSV\n /ZHcK7v0GyOe/BcXqWb+nHxEb9FFAXwaXqY41Pd6d93fOxcKm+pdMmQbp\n SknFtziZ8uRlR2NpSopEerzFUvmwvlEbeIHgRcQCipTXrLy1X5X9H8LWE\n vEHvPFsNZPjvFKTrSgRZUsslBleSdMZ9jn9H0qndtB53NqaeggMdjtfvL A==;", "X-IronPort-AV": [ "E=McAfee;i=\"6200,9189,10260\"; a=\"250853269\"", "E=Sophos;i=\"5.88,374,1635231600\"; d=\"scan'208\";a=\"250853269\"", "E=Sophos;i=\"5.88,374,1635231600\"; d=\"scan'208\";a=\"704363259\"" ], "X-ExtLoop1": "1", "From": "Bruce Richardson <bruce.richardson@intel.com>", "To": "dev@dpdk.org", "Cc": "Bruce Richardson <bruce.richardson@intel.com>, stable@dpdk.org,\n Kevin Laatz <kevin.laatz@intel.com>", "Subject": "[PATCH 2/3] dma/idxd: configure max batch size to high value", "Date": "Wed, 16 Feb 2022 16:06:08 +0000", "Message-Id": "<20220216160610.475242-3-bruce.richardson@intel.com>", "X-Mailer": "git-send-email 2.32.0", "In-Reply-To": "<20220216160610.475242-1-bruce.richardson@intel.com>", "References": "<20220216160610.475242-1-bruce.richardson@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "When configuring an Intel DSA instance using the utility script\ndpdk_idxd_cfg.py, explicitly set the max supported batch size value to a\nhigh value, to ensure large bursts are supported if so desired. The\ndefault in the linux kernel is now just 32 [1], which may not be\nsufficient for all DPDK apps.\n\n[1] https://lore.kernel.org/r/163528473483.3926048.7950067926287180976.stgit@djiang5-desk3.ch.intel.com\n\nCc: stable@dpdk.org\n\nSigned-off-by: Bruce Richardson <bruce.richardson@intel.com>\n---\nNote: although not fixing a bug in DPDK itself, due to kernel changes\nthis patch should be considered for backport as a fix, so cc'ing stable.\n---\n drivers/dma/idxd/dpdk_idxd_cfg.py | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/drivers/dma/idxd/dpdk_idxd_cfg.py b/drivers/dma/idxd/dpdk_idxd_cfg.py\nindex 34537cb980..3f5d5ee752 100755\n--- a/drivers/dma/idxd/dpdk_idxd_cfg.py\n+++ b/drivers/dma/idxd/dpdk_idxd_cfg.py\n@@ -89,6 +89,7 @@ def configure_dsa(dsa_id, queues, prefix):\n \"mode\": \"dedicated\",\n \"name\": f\"{prefix}_wq{dsa_id}.{q}\",\n \"priority\": 1,\n+ \"max_batch_size\": 1024,\n \"size\": int(max_work_queues_size / nb_queues)})\n \n # enable device and then queues\n", "prefixes": [ "2/3" ] }