From patchwork Thu Feb 10 22:49:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yury Norov X-Patchwork-Id: 12742621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1045C433EF for ; Fri, 11 Feb 2022 00:24:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346285AbiBKAYk (ORCPT ); Thu, 10 Feb 2022 19:24:40 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:55166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346239AbiBKAYj (ORCPT ); Thu, 10 Feb 2022 19:24:39 -0500 Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE7462735; Thu, 10 Feb 2022 16:24:39 -0800 (PST) Received: by mail-io1-xd36.google.com with SMTP id d188so9541410iof.7; Thu, 10 Feb 2022 16:24:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=QAzv4ww8wIlL+as7782AHbg1vH8P76wooakjw6i+3Lc=; b=eXLLwoHPmmMGbzE7v0/eoXuOPxdUXwkX/S1PRH7+XaWXBdBlZ2LApOHE3iMbfl1Kr1 4GwEpbo6DXk12uqn0CKDnMRhKWqc5E3xyz9NlalC6BgjOF5wKrnvMhCPW9SSAhlLLl6m SJ7sEazoSG1wTfj/t9S8PKfHMcLUmvpTj5Pc0aeefCRDO6tqtR1xpZoio2/j0k8YYyxX zEBfNvS1zpcUSSWrMuGVBIRyH8o5iTxni7dpOaIzvLu25KQaD405JzCGbLLWDXy3I+2R RrwzKsgeq5+sh8lMKFvhc8G58okPUNcmv6K7HmZ88pG7t1Y1PPc1VwW9SLPBecuQ6xwT /6zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QAzv4ww8wIlL+as7782AHbg1vH8P76wooakjw6i+3Lc=; b=hTsQWyDyKSbu3ZwsEqV2Lzfe8WDWkNt0zcrOhzoUd/fBQGfNHGuJBM+0ezQFO1d8Vw JiJkQor5dpMBA28s2VCM6IETHnXcBobFa2WgdXi9SYoF52ZOi7CLmV1/R7xChSTSgIBk 2vIW1WItHEmbEACEi7K6cMoCzdApArl0lABv0RwuQXlYiPbgaX4ptBXDaXCmzn9BN/iH b56qic+7F/HGQ9Q1uvGmbzmQ/k3Cc21qdMQQclMZD/HAGlfn65Lup4hlmJB2/UjssJYm srlWKE1ZeMliouUCh0LXo2Q551VVmkzL8kjChTXs4+xLscfuflTJv+xOgDWtSd7I12f4 G0nQ== X-Gm-Message-State: AOAM530PwIyTAlaANtjaQJSyBWmEiboBl4iYqctO07BibVncQK6WLvfl 1VlMk/tXepdhJS0eAS7TQ94= X-Google-Smtp-Source: ABdhPJzat5BMCPgkejoDjmOJcB5P48ExVxXh+fEyDvvDxqoIGAU7OXeWm93caqoE2/ZSItwt5e3CXA== X-Received: by 2002:a6b:ed06:: with SMTP id n6mr5210030iog.88.1644539079119; Thu, 10 Feb 2022 16:24:39 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id b5sm6780043ilr.0.2022.02.10.16.24.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 16:24:38 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?b?YXc=?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org, James Smart , Dick Kennedy , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: [PATCH 42/49] scsi: lpfc: replace cpumask_weight with cpumask_weight_gt Date: Thu, 10 Feb 2022 14:49:26 -0800 Message-Id: <20220210224933.379149-43-yury.norov@gmail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220210224933.379149-1-yury.norov@gmail.com> References: <20220210224933.379149-1-yury.norov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org lpfc_cpuhp_get_eq() calls cpumask_weight() to compare the weight of cpumask with a given number. We can do it more efficiently with cpumask_weight_gt because conditional cpumask_weight may stop traversing the cpumask earlier, as soon as condition is (or can't be) met. Signed-off-by: Yury Norov --- drivers/scsi/lpfc/lpfc_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f5c363f663f6..35688427cb7f 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -12642,7 +12642,7 @@ lpfc_cpuhp_get_eq(struct lpfc_hba *phba, unsigned int cpu, * gone offline yet, we need >1. */ cpumask_and(tmp, maskp, cpu_online_mask); - if (cpumask_weight(tmp) > 1) + if (cpumask_weight_gt(tmp, 1)) continue; /* Now that we have an irq to shutdown, get the eq