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GET /api/1.1/patches/2221734/?format=api
{ "id": 2221734, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2221734/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260410074921.1254213-7-aleksandr.loktionov@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260410074921.1254213-7-aleksandr.loktionov@intel.com>", "date": "2026-04-10T07:49:17", "name": "[iwl-next,6/10] ice: increase OICR interrupt moderation rate to 20K interrupts/sec", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "82b250c491a463d52c4867e410e04196112827a9", "submitter": { "id": 75597, "url": "http://patchwork.ozlabs.org/api/1.1/people/75597/?format=api", "name": "Loktionov, Aleksandr", "email": "aleksandr.loktionov@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260410074921.1254213-7-aleksandr.loktionov@intel.com/mbox/", "series": [ { "id": 499419, "url": "http://patchwork.ozlabs.org/api/1.1/series/499419/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=499419", "date": "2026-04-10T07:49:11", "name": "ice: misc cleanups and improvements", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499419/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2221734/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2221734/checks/", "tags": {}, "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=PI2YKr0L;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::136; 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Fri, 10 Apr 2026 07:49:34 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n by smtp1.osuosl.org (Postfix) with ESMTP id C171C81A81\n for <intel-wired-lan@lists.osuosl.org>; Fri, 10 Apr 2026 07:49:34 +0000 (UTC)", "from smtp1.osuosl.org ([127.0.0.1])\n by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id 6Ayrqs_bf1FG for <intel-wired-lan@lists.osuosl.org>;\n Fri, 10 Apr 2026 07:49:33 +0000 (UTC)", "from mgamail.intel.com (mgamail.intel.com [198.175.65.16])\n by smtp1.osuosl.org (Postfix) with ESMTPS id AD504816EE\n for <intel-wired-lan@lists.osuosl.org>; Fri, 10 Apr 2026 07:49:33 +0000 (UTC)", "from orviesa008.jf.intel.com ([10.64.159.148])\n by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 10 Apr 2026 00:49:33 -0700", "from amlin-019-225.igk.intel.com ([10.102.19.225])\n by orviesa008.jf.intel.com with ESMTP; 10 Apr 2026 00:49:32 -0700" ], "X-Virus-Scanned": [ "amavis at osuosl.org", "amavis at osuosl.org" ], "X-Comment": "SPF check N/A for local connections - client-ip=140.211.166.142;\n helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp3.osuosl.org BDC1860B5B", "OpenDKIM Filter v2.11.0 smtp1.osuosl.org AD504816EE" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1775807376;\n\tbh=iHitxJ6dSSx98dAfkYxaapfXLOvFwy1KxnI5+m1uClw=;\n\th=From:To:Cc:Date:In-Reply-To:References:Subject:List-Id:\n\t List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:\n\t From;\n\tb=PI2YKr0LG54/jEUz67ShpqhMjVTRMLAEqv+ZZup1MSsK27/4dxmTdhxYq8ITFO2nc\n\t DdW9vuxjn38cL7tRjF2cWk8+40zBYgQrRo0RuCFNnyv54Y6SiAlZTvvO2aB4TukjYH\n\t 2jzQhzm5Bk8to3UoER4T0ujUrgqsLrSAdG/hEJkk1CBMxJFFwnO+VBu2Xld9qCJthm\n\t hIkxegITUadVez1obpL04isxwrLkao8XPFf7rXOjfZisMFnewImwlC8MMzBJbaKNIr\n\t GJtPcSMcH/ToTyeOzF069Peb9XAiD69Oh129ZwPEtotDZ/QO0v0IutPkDBJT3t5jVF\n\t 9h5zbGnTX08gg==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.16;\n helo=mgamail.intel.com; envelope-from=aleksandr.loktionov@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp1.osuosl.org AD504816EE", "X-CSE-ConnectionGUID": [ "MLQbCVh3SDKmDrYlLRjuxg==", "/p17nqLyRya/B32oUl8oVQ==" ], "X-CSE-MsgGUID": [ "XEnMQsn4RMil9a8k+NGkAQ==", "GMYz3NDBTcKgVXhjrmZZzw==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11754\"; a=\"77007934\"", "E=Sophos;i=\"6.23,171,1770624000\"; d=\"scan'208\";a=\"77007934\"", "E=Sophos;i=\"6.23,171,1770624000\"; d=\"scan'208\";a=\"228941886\"" ], "X-ExtLoop1": "1", "From": "Aleksandr Loktionov <aleksandr.loktionov@intel.com>", "To": "intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com,\n aleksandr.loktionov@intel.com", "Cc": "netdev@vger.kernel.org,\n\tJacob Keller <jacob.e.keller@intel.com>", "Date": "Fri, 10 Apr 2026 09:49:17 +0200", "Message-ID": "<20260410074921.1254213-7-aleksandr.loktionov@intel.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260410074921.1254213-1-aleksandr.loktionov@intel.com>", "References": "<20260410074921.1254213-1-aleksandr.loktionov@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1775807374; x=1807343374;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=KyKKiZWFrU6bgfomlOok069woZZROnCpDRvRPVZwUBo=;\n b=OqlbWNmlz0LBpjSa50NXgSgyWoYnxWIueT4wGBRToOylwNF5kn+R7rhu\n MLAyFZnvVxqL/9DIy74ZGfg01VuVek5oWbeaiDRf3Oxvd3FZ/un44lxxD\n xxfQ31uCBe3734M5X7/Qa3aPRtqWkpo+cDW5GafJ3gMnWKHrzkAiSSjF3\n yKPZvsGLbRBMjVDFqWmBcFGw4DzXo7L6huujl4kwW4DoCotonwgKmZ4cH\n j5bHQadlqpMZ+DZ+/YpujSmFgqEUqJNkdzGPTZ6XaF/ypw7GRLqqi1FsD\n Cz61Y4q3Tvgxd/KJmCbjH1snt+ZJWz4DBNcFZWwczUpDFdSJ86JqWPmld\n w==;", "X-Mailman-Original-Authentication-Results": [ "smtp1.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp1.osuosl.org;\n dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.a=rsa-sha256 header.s=Intel header.b=OqlbWNml" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next 6/10] ice: increase OICR\n interrupt moderation rate to 20K interrupts/sec", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <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>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "The miscellaneous interrupt cause (OICR) is throttled to 8K\ninterrupts per second (124 us minimum spacing). This interrupt\nhandles VF mailbox messages and Tx timestamps, so the low rate\nimposes a minimum latency floor on both use-cases.\n\nRaise the rate to 20K interrupts per second (50 us minimum\nspacing) to allow lower latency handling for Tx timestamp\nbursts and high VF message rates.\n\nSigned-off-by: Jacob Keller <jacob.e.keller@intel.com>\nSigned-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\n---\n drivers/net/ethernet/intel/ice/ice_main.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c\nindex 75a48e5..2921da4 100644\n--- a/drivers/net/ethernet/intel/ice/ice_main.c\n+++ b/drivers/net/ethernet/intel/ice/ice_main.c\n@@ -3501,7 +3501,7 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)\n \t\t ((pf->ll_ts_irq.index + pf_intr_start_offset) &\n \t\t PFINT_SB_CTL_MSIX_INDX_M) | PFINT_SB_CTL_CAUSE_ENA_M);\n \twr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_irq.index),\n-\t ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S);\n+\t ITR_REG_ALIGN(ICE_ITR_20K) >> ICE_ITR_GRAN_S);\n \n \tice_flush(hw);\n \tice_irq_dynamic_ena(hw, NULL, NULL);\n", "prefixes": [ "iwl-next", "6/10" ] }