From mboxrd@z Thu Jan 1 00:00:00 1970 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 626B1C433EF for ; Fri, 11 Feb 2022 00:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346333AbiBKA0x (ORCPT ); Thu, 10 Feb 2022 19:26:53 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:56308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346261AbiBKA0w (ORCPT ); Thu, 10 Feb 2022 19:26:52 -0500 Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD7915594 for ; Thu, 10 Feb 2022 16:26:52 -0800 (PST) Received: by mail-il1-x132.google.com with SMTP id c12so5109451ilm.8 for ; Thu, 10 Feb 2022 16:26:52 -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=1MJU8h6aqi1lREanFgpSWWzF65VdO9IwfkWhBgqaH3Y=; b=mvi1bzuGc+ZCDBoKyIvPuu57FjwX/ZNRRmbHLZvq28NxvswbVJpCtL+TPmWTVqyuNq zHOVncwF2tsmDVT250gY7kLq+jhckLGi7PlKEqS4kMkEFP1KTu7Z7xjiQlYjB2792Sy0 y79LwuSrYF42p6Ksm7buY7+zkijxS7uB/hHR9ElJmFJeaWgz2GF8WWh/oKXQxLhRyRAL sBCNNuvExT46DRyy/8TIoNJF5PD3spUAqOHHh9NO3ZMs/icV5NIDHPE+azUqsowaetzV 7cpHrDo+EZ7zUtQ5l6ZDe3klqtAXMvArBpa4JNsPnSEGr2ueqLcJfFXWmveEcH8M/UrG z/9w== 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=1MJU8h6aqi1lREanFgpSWWzF65VdO9IwfkWhBgqaH3Y=; b=kjQ/uIH3jWFE9HMBpCZUS59BdbEMlgUUsSdOVC4SnK4i2ebN5bYPHvY3N8c9mMZk/o m5H/DVMDioKvyWiSPmL1IKnkN1BglyR9GXfIKu1o9j4xSG2g5mdK4CzTKrwULnC7svc5 Kvez5gATQriISEdkQaZb52CQIeLKAmtTR3ioVt69WPe9bV5zomF5sktsU4ou302a224b apZuo24XMf9TfHzSqb48cbQ48w34hBCSYnBKq3hUBK/Uj7CDpUxssDVa6D8sEDQNwnRA Me5NCqoQP0o+qg8bTpzp6lVThao14c3+t+O5pdbyKS3cLE011/vNUIVWNhSYpnJoww+6 3ljA== X-Gm-Message-State: AOAM531eR9XqDCJP5E2j9gwx6P1eYV2tVUpZPbp7Ykj+uGT1oRv2leak sCPa9NVCkF8H9axy+Yzq+Ms= X-Google-Smtp-Source: ABdhPJw4HRWGUzFWRINnqDSvHJhe4t426yscU51lkh9YSM6/oOmml5+22RpllautY9urs7QLFyNzJQ== X-Received: by 2002:a92:ab01:: with SMTP id v1mr5297485ilh.149.1644539212078; Thu, 10 Feb 2022 16:26:52 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id y22sm12896727iow.2.2022.02.10.16.26.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 16:26:51 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , 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, Li Yang , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 43/49] soc/qman: replace cpumask_weight with cpumask_weight_lt Date: Thu, 10 Feb 2022 14:49:27 -0800 Message-Id: <20220210224933.379149-44-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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org qman_test_stash() calls cpumask_weight() to compare the weight of cpumask with a given number. We can do it more efficiently with cpumask_weight_lt 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/soc/fsl/qbman/qman_test_stash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qbman/qman_test_stash.c b/drivers/soc/fsl/qbman/qman_test_stash.c index b7e8e5ec884c..28b08568a349 100644 --- a/drivers/soc/fsl/qbman/qman_test_stash.c +++ b/drivers/soc/fsl/qbman/qman_test_stash.c @@ -561,7 +561,7 @@ int qman_test_stash(void) { int err; - if (cpumask_weight(cpu_online_mask) < 2) { + if (cpumask_weight_lt(cpu_online_mask, 2)) { pr_info("%s(): skip - only 1 CPU\n", __func__); return 0; } -- 2.32.0 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A93C9C433EF for ; Fri, 11 Feb 2022 00:28:17 +0000 (UTC) DKIM-Signature: v=1; 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Thu, 10 Feb 2022 16:26:52 -0800 (PST) Received: from localhost ([12.28.44.171]) by smtp.gmail.com with ESMTPSA id y22sm12896727iow.2.2022.02.10.16.26.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Feb 2022 16:26:51 -0800 (PST) From: Yury Norov To: Yury Norov , Andy Shevchenko , Rasmus Villemoes , Andrew Morton , =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= , 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, Li Yang , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 43/49] soc/qman: replace cpumask_weight with cpumask_weight_lt Date: Thu, 10 Feb 2022 14:49:27 -0800 Message-Id: <20220210224933.379149-44-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220210_162652_785160_6A3B4C95 X-CRM114-Status: GOOD ( 12.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org qman_test_stash() calls cpumask_weight() to compare the weight of cpumask with a given number. We can do it more efficiently with cpumask_weight_lt 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/soc/fsl/qbman/qman_test_stash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qbman/qman_test_stash.c b/drivers/soc/fsl/qbman/qman_test_stash.c index b7e8e5ec884c..28b08568a349 100644 --- a/drivers/soc/fsl/qbman/qman_test_stash.c +++ b/drivers/soc/fsl/qbman/qman_test_stash.c @@ -561,7 +561,7 @@ int qman_test_stash(void) { int err; - if (cpumask_weight(cpu_online_mask) < 2) { + if (cpumask_weight_lt(cpu_online_mask, 2)) { pr_info("%s(): skip - only 1 CPU\n", __func__); return 0; } -- 2.32.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel