From patchwork Tue Feb 18 17:42:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Milena Olech X-Patchwork-Id: 13980385 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0893B26B975 for ; Tue, 18 Feb 2025 17:47:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739900849; cv=none; b=ptiLDndJ2TbxszA0sm//XfrHO5iJXmdJvIwLE26aydhWYSi78EAu0G03PWUj3re+wOG7ght8iAgR6OR67Q5ILZe28Fs+vkQqaN7nOj3/AX2GLhMHGbAk8a7zQ+8AHiQeAKLDE1N4hgXLnBaDpcm70bTBzu1Mt7wPJ/GWeRZEVpY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739900849; c=relaxed/simple; bh=N77XQ5Q5mO4PoQ6m80+S+vewn+DOxv1GOBJVib08tpY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=L6fCI40Es1VlB26d+b68vtl0Jk9K9Hbql05LyYZBnA5AwFMKwCrdy474RSSuYcVHbWKxB935boi3OiT49eZywc7YrDN43DK6tKM1JecA24ax/bu1AfhbmcV24wlUY3Ht5mOAmBuLgjML/+nusWTRMbQNmHlh5AT3cNn92VumGdU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=go4Ql9AB; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="go4Ql9AB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739900848; x=1771436848; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=N77XQ5Q5mO4PoQ6m80+S+vewn+DOxv1GOBJVib08tpY=; b=go4Ql9AB0PGrZVWLdI3ABe9NB5IlAWYCwOKEjLHmDXTSoiI9B5LxuC74 2UcBY6vZy6bMRAqFY4eJWQXlm/UO1kJavdrm83VBBHpLuihSRVsnTYRwz EdHEKEFM4WZ+g9g8SuRRiOyB02krT7U2x+IONX09roUlnkhAmtqdlUZG8 mjhUNIePv/nRNRdbuIaMEnGOGSBETv5T/qPmRQHzCWug83ZM8pMgd+ztc BwI1qxwJ6hrKjXw35JPm15mnOyxtGwhLy/Uh/j7tpZMWAqG8LqVHbF+ZZ X0SbbchCkVf1hQyAT6LrELqG5jiCDTL8KQ79ex6hrpjDdRer3+Y86e3DQ Q==; X-CSE-ConnectionGUID: FebntgmIRJWlUycDhgk9ww== X-CSE-MsgGUID: caik0tk6T0eKy4R8tKdnkg== X-IronPort-AV: E=McAfee;i="6700,10204,11348"; a="44368502" X-IronPort-AV: E=Sophos;i="6.13,296,1732608000"; d="scan'208";a="44368502" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2025 09:47:28 -0800 X-CSE-ConnectionGUID: bI+yRe0sRZ6TvppdCpo8kw== X-CSE-MsgGUID: ahusy2nzQMGJcZQP9+ekJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="119396148" Received: from unknown (HELO localhost.igk.intel.com) ([10.102.22.54]) by orviesa003.jf.intel.com with ESMTP; 18 Feb 2025 09:47:26 -0800 From: Milena Olech To: intel-wired-lan@lists.osuosl.org Cc: netdev@vger.kernel.org, anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, Milena Olech , Alexander Lobakin Subject: [PATCH v7 iwl-next 10/10] idpf: change the method for mailbox workqueue allocation Date: Tue, 18 Feb 2025 18:42:37 +0100 Message-Id: <20250218174221.2291673-11-milena.olech@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20250218174221.2291673-1-milena.olech@intel.com> References: <20250218174221.2291673-1-milena.olech@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org Since workqueues are created per CPU, the works scheduled to this workqueues are run on the CPU they were assigned. It may result in overloaded CPU that is not able to handle virtchnl messages in relatively short time. Allocating workqueue with WQ_UNBOUND and WQ_HIGHPRI flags allows scheduler to queue virtchl messages on less loaded CPUs, what eliminates delays. Reviewed-by: Alexander Lobakin Signed-off-by: Milena Olech --- drivers/net/ethernet/intel/idpf/idpf_main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c index 60bae3081035..022645f4fa9c 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_main.c +++ b/drivers/net/ethernet/intel/idpf/idpf_main.c @@ -198,9 +198,8 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_serv_wq_alloc; } - adapter->mbx_wq = alloc_workqueue("%s-%s-mbx", - WQ_UNBOUND | WQ_MEM_RECLAIM, 0, - dev_driver_string(dev), + adapter->mbx_wq = alloc_workqueue("%s-%s-mbx", WQ_UNBOUND | WQ_HIGHPRI, + 0, dev_driver_string(dev), dev_name(dev)); if (!adapter->mbx_wq) { dev_err(dev, "Failed to allocate mailbox workqueue\n");