From patchwork Mon Feb 8 17:19:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoine Tenart X-Patchwork-Id: 379903 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E63DDC433DB for ; Mon, 8 Feb 2021 17:26:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A133664E7E for ; Mon, 8 Feb 2021 17:26:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234486AbhBHR0v (ORCPT ); Mon, 8 Feb 2021 12:26:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:34900 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234800AbhBHRV0 (ORCPT ); Mon, 8 Feb 2021 12:21:26 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BA31564EB8; Mon, 8 Feb 2021 17:19:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612804787; bh=gRrWc7kvhk/DZiBYnZAAhJguwua33p7z3XuR3MwFUTM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j4ynVEPHuAGU/BVeCDcWY5qsenSbCVVgsn1/csFH3nFntFzthYW1/9KvRhPGRv1zy /d8UEYZ5O3Pz26mgGVBOW37n/j6Mgo4eIfDGxVhbDEFbWayZ2OGD9xQqaLoUrFcVfy YD5o1vStY3+LlBlllVFRHFtHQuQxJ9riTU4xd4ObLEHM8qhrYQJ+tD9kNsfRl/GeIj LFFftdwOCDBPK4H4dHR0afWQ24kDEypeZnk3Owcx6qzgo61yypoMauJ+mko6UV0JJq IblIAPPitPqiVLcFicEnPuULfY/zL205MY5EtK/ugPgvQ0JqmnNbUVqG7NfHwK8gO0 dIPoSaO0Qg2XA== From: Antoine Tenart To: davem@davemloft.net, kuba@kernel.org, alexander.duyck@gmail.com Cc: Antoine Tenart , netdev@vger.kernel.org Subject: [PATCH net-next v2 11/12] net: improve queue removal readability in __netif_set_xps_queue Date: Mon, 8 Feb 2021 18:19:16 +0100 Message-Id: <20210208171917.1088230-12-atenart@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210208171917.1088230-1-atenart@kernel.org> References: <20210208171917.1088230-1-atenart@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Improve the readability of the loop removing tx-queue from unused CPUs/rx-queues in __netif_set_xps_queue. The change should only be cosmetic. Signed-off-by: Antoine Tenart --- net/core/dev.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 9b91e0d0895c..7c3ac6736bb6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2766,13 +2766,16 @@ int __netif_set_xps_queue(struct net_device *dev, const unsigned long *mask, /* removes tx-queue from unused CPUs/rx-queues */ for (j = 0; j < dev_maps->nr_ids; j++) { - for (i = tc, tci = j * dev_maps->num_tc; i--; tci++) - active |= remove_xps_queue(dev_maps, tci, index); - if (!netif_attr_test_mask(j, mask, dev_maps->nr_ids) || - !netif_attr_test_online(j, online_mask, dev_maps->nr_ids)) - active |= remove_xps_queue(dev_maps, tci, index); - for (i = dev_maps->num_tc - tc, tci++; --i; tci++) + tci = j * dev_maps->num_tc; + + for (i = 0; i < dev_maps->num_tc; i++, tci++) { + if (i == tc && + netif_attr_test_mask(j, mask, dev_maps->nr_ids) && + netif_attr_test_online(j, online_mask, dev_maps->nr_ids)) + continue; + active |= remove_xps_queue(dev_maps, tci, index); + } } /* free map if not active */