From patchwork Mon Jan 22 16:00:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souradeep Chakrabarti X-Patchwork-Id: 13525684 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 161363D57B; Mon, 22 Jan 2024 16:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705939265; cv=none; b=Jy+zl/qYICGaKqb8KfQozfVu8TX6Dpo0emyti+wWTrPmXpWk/hnQSKCXVy4L+tAJOJBFO3LH6Q6Ovsru3gZb0e+kBheIa87WOg2ifTkZrLh7Ceo/VdA2UJW88Fn8rxTz1ew9lsLgLBLCFBbuKduy2npe4IiPN16tcZgVsGUD+G4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705939265; c=relaxed/simple; bh=JYlP6PYFKBxEkI9PAgsSX46npvX9bKn6YKMVh4R9Y1A=; h=From:To:Cc:Subject:Date:Message-Id; b=s6jwRfA+FDf207nyhb876JRADoufhgJMGpsWwK5q2sqTskK/Dy4eFjWrAigcygohsRE2WZhq/XT95dvn3db3q0GljJMBV1s1rLhKY/tczt+0KWJVXL+4TaGvSbr+zMxpBekVPp0bFUQv/DExSCYaDhQQvNri7EgOaOTXcITFvGY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=bXTGcyCe; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="bXTGcyCe" Received: by linux.microsoft.com (Postfix, from userid 1099) id 9EFC920E1AB5; Mon, 22 Jan 2024 08:01:03 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 9EFC920E1AB5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1705939263; bh=Rw8jwgVZoYjfKXdEQm8UxCv82lHMwpdoFJrxNC9RYwM=; h=From:To:Cc:Subject:Date:From; b=bXTGcyCeohgLywzb+DCFeM7Q7EnH05mCkdpVg/tORXzu6Cn1yUSqTWt3alatzDSXi gsPEbtNvGE5Wear/qASZTGozA9tj/QC6inEhv7JkBpSnm0Hg/SzpCEk1WPxke/qPeB baFsP34J3/BlHQWiNPPqR1ZwGyXkWmEmGLuALczM= From: Souradeep Chakrabarti To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, longli@microsoft.com, yury.norov@gmail.com, leon@kernel.org, cai.huoqing@linux.dev, ssengar@linux.microsoft.com, vkuznets@redhat.com, tglx@linutronix.de, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org Cc: schakrabarti@microsoft.com, paulros@microsoft.com, Souradeep Chakrabarti Subject: [PATCH 0/4 V2 net-next] net: mana: Assigning IRQ affinity on HT cores Date: Mon, 22 Jan 2024 08:00:55 -0800 Message-Id: <1705939259-2859-1-git-send-email-schakrabarti@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: X-Patchwork-Delegate: kuba@kernel.org This patch set introduces a new helper function irq_setup(), to optimize IRQ distribution for MANA network devices. The patch set makes the driver working 15% faster than with cpumask_local_spread(). Souradeep Chakrabarti (1): net: mana: Assigning IRQ affinity on HT cores Yury Norov (3): cpumask: add cpumask_weight_andnot() cpumask: define cleanup function for cpumasks net: mana: add a function to spread IRQs per CPUs .../net/ethernet/microsoft/mana/gdma_main.c | 88 ++++++++++++++++--- include/linux/bitmap.h | 12 +++ include/linux/cpumask.h | 16 ++++ lib/bitmap.c | 7 ++ 4 files changed, 113 insertions(+), 10 deletions(-) --- Change: V1 -> V2: Added some details on the performance study on the patch 4/4.