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 068FCC433EF for ; Thu, 21 Apr 2022 22:33:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442507AbiDUWgo (ORCPT ); Thu, 21 Apr 2022 18:36:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241336AbiDUWgo (ORCPT ); Thu, 21 Apr 2022 18:36:44 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4665043495 for ; Thu, 21 Apr 2022 15:33:53 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id s14so6825634plk.8 for ; Thu, 21 Apr 2022 15:33:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=5Ny4/EAYbX3qfaEmGZfS7iv79Oo6Wb3O6/res/i66KY=; b=mE0kCLZI0kFLBx8c/g9czQlmgWMFzkI8+4qgcblshEBoOrmfi6zBF5aj5oZ88D2g6I huvFmSZ9lGsNnnVgf1tJLKEfiucz47ZEQ+/QY4LxUNej5TFqQU9nrN+ZL2lUC7GimbCo 0hD4G3OecR4Msu1Y3skUPGYm5I6+sMtpIoVpmh5kCt/N1nszRHyh2vn/VgyuZl8gV6RU Uv3lEEh27DXWc+45UqQAmo0tdgM1uHHjB4N5mN5gupSHOjxT0rXs5/mo5mS2Xbb/inSM +ypnxr7LN0a+3sG6fxctC/jOr9sV32b5yAUIXx9XfejN+DiGt2bcoR0xCmkSEnEWu1V7 H7Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=5Ny4/EAYbX3qfaEmGZfS7iv79Oo6Wb3O6/res/i66KY=; b=l/GAkDos1QEfiC1dbN3kX2F7vkUC8MHCDb7AXkqt/HCQVGui2dMNPjTunUpE/pqByF 7oKwLnobbUQWw6jECZGuUIZHnMNms80SlvXyHTCOOdAMJxfralolSUCsM2jQANmabGPi JlDaPuLdIv8im3H3knE7LioBK1rZkR0Zya4UaLIU34COguYVxQ59ceTf6cbAcSmakLLE D2DiUtBaUHtJ0UGUZpqGJEzbB9NM7uDA7fH6DmfcOpdqR32fBjiFYPxyQM/VgFjTvu2N y9i9x4+CpErFhuYrjos3Z2EyBNNsy5w7qk+D4Anv2I3vqJmLl8/PUi5u3udug1Zhn5+t k0oQ== X-Gm-Message-State: AOAM530AoCls3BaTJZxjvz2b+w0kfxll7klfH/M/gtXwdl880gtGuL9m b84JH6XY3zeWBaec2PQpY2M= X-Google-Smtp-Source: ABdhPJy86c5CvDcMpbiTJTIT8W8DhzHQeW9BmTR7qWhV8rK770x8n89/kQzYyLnTMi8th8EA306pNA== X-Received: by 2002:a17:903:248:b0:155:ecb7:dfaf with SMTP id j8-20020a170903024800b00155ecb7dfafmr1652173plh.84.1650580432698; Thu, 21 Apr 2022 15:33:52 -0700 (PDT) Received: from localhost ([2620:10d:c090:400::5:15fa]) by smtp.gmail.com with ESMTPSA id y4-20020a056a00190400b004fac0896e35sm145005pfi.42.2022.04.21.15.33.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Apr 2022 15:33:52 -0700 (PDT) Sender: Tejun Heo Date: Thu, 21 Apr 2022 12:33:50 -1000 From: Tejun Heo To: Zqiang Cc: jiangshanlai@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] workqueue: Restrict kworker in the offline CPU pool running on housekeeping CPUs Message-ID: References: <20220331055717.2659428-1-qiang1.zhang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220331055717.2659428-1-qiang1.zhang@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 31, 2022 at 01:57:17PM +0800, Zqiang wrote: > When CPU going offline, all workers in this CPU pool will lose > affinity to this CPU, and may run to isolated CPU. like kworker > in unbound pool, set CPU affinity of these kworker is > wq_unbound_cpumask. > > Signed-off-by: Zqiang Applied to wq/for-5.18-fixes w/ patch description updated for clarity. Thanks. -- tejun