From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E5431A287; Sun, 12 Nov 2023 21:11:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gIpAVrGi" Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6437F1BFB; Sun, 12 Nov 2023 13:11:09 -0800 (PST) Received: by mail-qk1-x731.google.com with SMTP id af79cd13be357-77a277eb084so258435985a.2; Sun, 12 Nov 2023 13:11:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1699823468; x=1700428268; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=jD91m5sH04Im6nPSCMOzYWxSpBLesOJumIlAWBGHFmk=; b=gIpAVrGiTSxF8SiYXYELq0eH2L8WPT48bz0alvdg6S6PtjE9x3nCE5OLfaOLGIDZMx wgJPJ5n0pGUFzsVoLJwEnjsA5e+ZQaEBKDYVGyqLDpGXaHywXc83Zawwa/op7ReCdvip gZ0idY7Z6W/7uyTfut9src+tk7/XEVnMMQyz/RMbrqCvOS7KPIbkGgzNRSdWHftF1hxH XuB4f40ZH8112x3SqDol3Q7wMqofGx6s9F0Tud3wwkQRpNpIKmLeqO4aUoS/JnGgs6Xk lXPuvkZRVWCJTFV7QNapUzY2CaG/1FzF2u1e+az+kF8TN3gTWkqLW0rMa6tBwor+gO/7 GaKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699823468; x=1700428268; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jD91m5sH04Im6nPSCMOzYWxSpBLesOJumIlAWBGHFmk=; b=fxDvOX7hPsggF37uW8B13gJwbYb7hKd25hwIonpz0iwXR32ay1qp02nuNw1oAWIfeu o6bCj6MPvXtHmxsZSnccqO4KoVdGIB0qI8jlNiFKswh4NCZDZih6iMTKMuT0d8rWOLmy ZS4h7+Vd41HUNzVXO6U09WbHjddGH64csnL/+ogL5cGz8v/vBwrafXveQlDu8BGOZSS3 cOqn56qqPWZtU+2lC1ieL4oaQkprPYMaNXrnVuwoKvNT3qr05VFi8crAiSpIGpkPB1BM mzvU6DguY4YMOh6ck15/DwWkwkfa4JDYCyYu9VyNadBiDd3v2dK6iFICwC4UcWUSCO6H LWWw== X-Gm-Message-State: AOJu0YxaSoqqasxpDZ6NYK51gU7xC9uZZHfthBMZ7NqQMg+ttRwnKJA1 bNFRZnzJGL50RvFm1r7Rrmg= X-Google-Smtp-Source: AGHT+IHyDp+xYbcN+zjeD/gqHd99HWevyqCMUqBZTteDnxLZATKZX59Azkd7EOlvm/3V3TLxm/PuJA== X-Received: by 2002:a05:620a:2801:b0:773:ea6e:e8a4 with SMTP id f1-20020a05620a280100b00773ea6ee8a4mr5627654qkp.44.1699823468434; Sun, 12 Nov 2023 13:11:08 -0800 (PST) Received: from localhost ([164.86.0.75]) by smtp.gmail.com with ESMTPSA id y6-20020a37e306000000b00770f3e5618esm1389386qki.101.2023.11.12.13.11.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Nov 2023 13:11:07 -0800 (PST) Sender: Tejun Heo Date: Sun, 12 Nov 2023 15:10:59 -0600 From: Tejun Heo To: Waiman Long Cc: Zefan Li , Johannes Weiner , Jonathan Corbet , Lai Jiangshan , Shuah Khan , cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Peter Hunt , Frederic Weisbecker Subject: Re: [PATCH v2 0/4] cgroup/cpuset: Improve CPU isolation in isolated partitions Message-ID: References: <20231025182555.4155614-1-longman@redhat.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231025182555.4155614-1-longman@redhat.com> On Wed, Oct 25, 2023 at 02:25:51PM -0400, Waiman Long wrote: > v2: > - Add 2 read-only workqueue sysfs files to expose the user requested > cpumask as well as the isolated CPUs to be excluded from > wq_unbound_cpumask. > - Ensure that caller of the new workqueue_unbound_exclude_cpumask() > hold cpus_read_lock. > - Update the cpuset code to make sure the cpus_read_lock is held > whenever workqueue_unbound_exclude_cpumask() may be called. Applied to cgroup/for-6.8 with patch description for the third patch updated to reflect the dropping of __DEBUG__ prefix. Thanks. -- tejun