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 X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 7B1F5C4361B for ; Mon, 14 Dec 2020 14:57:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E7B6225AB for ; Mon, 14 Dec 2020 14:57:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727239AbgLNO5e (ORCPT ); Mon, 14 Dec 2020 09:57:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2408269AbgLNOzy (ORCPT ); Mon, 14 Dec 2020 09:55:54 -0500 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0646C061282 for ; Mon, 14 Dec 2020 06:54:50 -0800 (PST) Received: by mail-pf1-x443.google.com with SMTP id 131so12182015pfb.9 for ; Mon, 14 Dec 2020 06:54:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=CSGNazt1g/mx7u3VL4y7PuEAi5ZB152rsA0ixRvqoLw=; b=qKx4YKZQSO/24VvjrhLx6h2AClqGdmd1cn8RmQHsI3s9+FirRyOJjxz84IgGGphAlx 0mAMzepGhH1nehLumUZC20Tt6csw2wUsZcbRx/wjy72Cy5Qs3/s/gG4pCFRV81XGiNPJ RLpK6B817u0AXhKEDPNjks+/jNtcDDx7oRJ8El6ZvM05hkUGP+C8sdchvy8hZy8yr42z upChJ5I+5yoqsV/C4JOJX2bwU8rerN5rcBEYL8dumygwbcjbTcmi2ILeMKFaJ8zJ0TGM YTmw5KL/8ChVt5mhiRiL1Tk5bGlpTEp8RfLo8H7t/D5mGtol7GdgwAxw9vaXlRWpbRfz Pruw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CSGNazt1g/mx7u3VL4y7PuEAi5ZB152rsA0ixRvqoLw=; b=nh5MQJ4cxgmYKCYjWq5CLqcDpB9mxZFZirhI18SHMVIboFrI+RlmL5xeVTqzhr3Dvz K9gDl8U49CPK1Wc1XxoXv6jXz65bKL/zSZ1KKgKk219zXALC/OxDgxS/aQmZxPbIp7YP OU6CvSB6r7n9bDZpxivewXjRDrKYfg/Y9p2p+BYOrish676p7/bmtbPVufa7uMEJ7E47 iTDK9xtNb/1YmB0mjrVHMsbxj89PyXhjgjUyYPSyIMWqDmXIDxrC3UombEVnzekGz1NK 29kcpciyjJ0rNJ4GqFKVfN2FBnvHBDGOLHa8uSd+K/lY8jO8d2BoiZtnQlX9layEAQdf jqfA== X-Gm-Message-State: AOAM530AhzM+SKy67VD1gqy9HML6d6rXufF59lGP0wZyUk4PJKmkuJl/ f+KM8TK8BC/lC18Wai6EjEhTWuoYu0LMzQ== X-Google-Smtp-Source: ABdhPJxdxPMDVdwtmvGMfjSUtHz6erVdLVc2x94mttxpQcoROVWbqtY2+oO9BDeaVeEU3Qx5aacVTg== X-Received: by 2002:a63:4852:: with SMTP id x18mr24754944pgk.89.1607957690191; Mon, 14 Dec 2020 06:54:50 -0800 (PST) Received: from localhost ([198.11.176.14]) by smtp.gmail.com with ESMTPSA id ft19sm9787302pjb.44.2020.12.14.06.54.49 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 14 Dec 2020 06:54:49 -0800 (PST) From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Tejun Heo , Lai Jiangshan Subject: [PATCH 08/10] workqueue: reorganize workqueue_online_cpu() Date: Mon, 14 Dec 2020 23:54:55 +0800 Message-Id: <20201214155457.3430-9-jiangshanlai@gmail.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20201214155457.3430-1-jiangshanlai@gmail.com> References: <20201214155457.3430-1-jiangshanlai@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan Just move around the code, no functionality changed. It prepares for later patch protecting wq_online_cpumask in wq_pool_attach_mutex. Signed-off-by: Lai Jiangshan --- kernel/workqueue.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/kernel/workqueue.c b/kernel/workqueue.c index eea58f77a37b..fa29b7a083a6 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5085,12 +5085,17 @@ int workqueue_online_cpu(unsigned int cpu) mutex_lock(&wq_pool_mutex); cpumask_set_cpu(cpu, wq_online_cpumask); + for_each_cpu_worker_pool(pool, cpu) { + mutex_lock(&wq_pool_attach_mutex); + rebind_workers(pool); + mutex_unlock(&wq_pool_attach_mutex); + } + + /* update CPU affinity of workers of unbound pools */ for_each_pool(pool, pi) { mutex_lock(&wq_pool_attach_mutex); - if (pool->cpu == cpu) - rebind_workers(pool); - else if (pool->cpu < 0) + if (pool->cpu < 0) update_unbound_workers_cpumask(pool, cpu); mutex_unlock(&wq_pool_attach_mutex); -- 2.19.1.6.gb485710b