From patchwork Wed Dec 19 14:45:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael, Alice" X-Patchwork-Id: 1016399 X-Patchwork-Delegate: jeffrey.t.kirsher@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=osuosl.org (client-ip=140.211.166.133; helo=hemlock.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43Kr187176z9sCh for ; Thu, 20 Dec 2018 09:59:07 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 98E6987A8E; Wed, 19 Dec 2018 22:59:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wso3QzA3Y7fr; Wed, 19 Dec 2018 22:59:05 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by hemlock.osuosl.org (Postfix) with ESMTP id 0019E85BB9; Wed, 19 Dec 2018 22:59:04 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 1D3771BF311 for ; Wed, 19 Dec 2018 22:59:04 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 1A32C233D8 for ; Wed, 19 Dec 2018 22:59:04 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4gzpg49m2zyR for ; Wed, 19 Dec 2018 22:59:02 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by silver.osuosl.org (Postfix) with ESMTPS id D4D9A221F8 for ; Wed, 19 Dec 2018 22:59:02 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2018 14:59:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,374,1539673200"; d="scan'208";a="110769123" Received: from alicemic-2.jf.intel.com ([10.166.16.121]) by fmsmga008.fm.intel.com with ESMTP; 19 Dec 2018 14:59:02 -0800 From: Alice Michael To: alice.michael@intel.com, intel-wired-lan@lists.osuosl.org Date: Wed, 19 Dec 2018 06:45:37 -0800 Message-Id: <20181219144542.85924-1-alice.michael@intel.com> X-Mailer: git-send-email 2.19.2 MIME-Version: 1.0 Subject: [Intel-wired-lan] [next PATCH S1 1/6] i40e: Limiting RSS queues to CPUs. X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aleksandr Loktionov Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" From: Aleksandr Loktionov Limiting RSS queues number to online CPUs number in order to avoid issues with creating misconfigured RSS queues. Signed-off-by: Aleksandr Loktionov Signed-off-by: Aleksandr Loktionov Tested-by: Andrew Bowers --- drivers/net/ethernet/intel/i40e/i40e_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 1e61c22c27f4..b4ae4ba84aa3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11554,6 +11554,7 @@ int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count) if (!(pf->flags & I40E_FLAG_RSS_ENABLED)) return 0; + queue_count = min_t(int, queue_count, num_online_cpus()); new_rss_size = min_t(int, queue_count, pf->rss_size_max); if (queue_count != vsi->num_queue_pairs) {