Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp6503529ybv; Wed, 12 Feb 2020 13:36:51 -0800 (PST) X-Google-Smtp-Source: APXvYqxWoU3qSGGo8WI/sTF1gKldzOh2V465vqYZOudTZgBEx6JlC7egpCEeAuZvNSlx8+/yYm9I X-Received: by 2002:aca:5fc6:: with SMTP id t189mr840616oib.166.1581543410954; Wed, 12 Feb 2020 13:36:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1581543410; cv=none; d=google.com; s=arc-20160816; b=RB5XY3IsTHxQWfcMV5EjOaeoz5MYq4Qt88Uiqpu1w/RGjkcfvo6lI+31CbCc6skcOn bzeUKat0Sq8OOV4vyDBIfFqDxN+/Jibg+XXNQ+a8CpOpSGNw3dLOabEfpjK6D36eRY6q 0Ou2qW1boitLBXbI+dc5cO7vxKCT2l2VYrKqBUbseKTJXK6tjtQDxGGr9c36Szu7pd+0 /6s5a8HcwvFGabVjWoQCIwq6udkbd6ClyKTm8qoz1hGMsMOmUA0NWLYDb7GFbI+nx6c0 oOd1pkxroa/lVE3pLAimErRSc5Qx2JgYOSxtkPuignlaHwkPJZ7/4Ku+/Kke72fuunTe zKrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=iBeSTprJEgkhPZLCbVo2vH4gD47fVWZXk0D/63E7q/E=; b=ZmU7pMVLsIvtCMGzzV+o1aobdy3auT4+Y6KCApevRvTAMwZE5fslAvZ/iqaR1SRB2f 4fns4kWW3TjdLScqnSgyvDNQ7hessLtfIraRNN/yHqI09ZQDyNDE4aN+5ONPPl877+U7 reQzSHMB0VstZYXhB2CCxsG3H20QZd9QlaR0OX1WKLYQTy1Yz/VXBk1Rkp1Q6lQP/Iv/ xBukDn8MA5NmTNYCX5pdiQMryYPJMHnRSSrkAs6LfxQXqFM4ON3NWxF0EnH5a01s0CKj pML89ZnM7OKUdvWz4xGmw6kNfb5DB1uAEMM2qUtEbJzxqPJ7Uzzc/T2yB6Tr5nMeFBKg eAkQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=u2vGyuPY; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n21si181228oic.0.2020.02.12.13.36.36; Wed, 12 Feb 2020 13:36:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=u2vGyuPY; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729194AbgBLVg0 (ORCPT + 99 others); Wed, 12 Feb 2020 16:36:26 -0500 Received: from mail-qt1-f196.google.com ([209.85.160.196]:42369 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727564AbgBLVgZ (ORCPT ); Wed, 12 Feb 2020 16:36:25 -0500 Received: by mail-qt1-f196.google.com with SMTP id r5so2794008qtt.9; Wed, 12 Feb 2020 13:36:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=iBeSTprJEgkhPZLCbVo2vH4gD47fVWZXk0D/63E7q/E=; b=u2vGyuPYOVf8Rmx/bD+nZrJPyKgzpcQAucV+E89I+0VbBjaC7JDsg0R4oL58eiXRBR 5NFyvjgdJp2dQzi72IL804HQKAbZY2dthM9WC+S8A70Re9ACGey4VMBJdtdOLZLFUma2 EHTF+mgfQBIBphP0j9VAHOXSIpM8g6mtelcIVcE5ysde1cdsZ9vn7L1QBhaWSTAUB3UM 5WD48B7NO6e/gZ00uVbN97wTwk1BzLNutcmJ41frW4YrMMFr1h8ZRIffu1BrPIF1BZSM sM7jpW836/Ff8sufIQfRsa9fH1sgH3jX2PXLUZJc4Xl2CnPCL+VELD0vNx3yHzyRQBtv y3AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=iBeSTprJEgkhPZLCbVo2vH4gD47fVWZXk0D/63E7q/E=; b=F8HseHIcytCAKLhPS2NES2t8UW5+1wTsB1oyhrhLkFtnlBmxfUhIhWOW2Rcifuxq3R vMPqzKjsSCrNBJwGI6GPn12bNdb1vJkbwpOU5V27AiNhBj1/iVtQ+XIXyKkOkFy55q96 6e2qWBvZf3moln6QheqnoEyPNDiSzcQM2JKAHtvAZ6njziBh4t8q866VJm/cEoncb+GQ iuWU40F8ybNeBJCZEQdyMFD/zUHfWyyqkzaQjy3Rrec2Ty61ndJA+LHKGjPQluz3Gza/ 7BnQku6eI+db5nnewwLGGB0OCzcu3roaJO209QeBEP4Q3kehO6LhrHppvuzAi6a9OUL+ 1/sg== X-Gm-Message-State: APjAAAXQ/TkzuC8AfM/4+yS28JUvrdj1Qtp7wZ+WFwkf3YmvWKdA5bSr RYdMC8awVb1rvUQqQdNG/M5NZQ2BWZk= X-Received: by 2002:ac8:65d4:: with SMTP id t20mr21522456qto.6.1581543384701; Wed, 12 Feb 2020 13:36:24 -0800 (PST) Received: from localhost ([2620:10d:c091:500::1:985a]) by smtp.gmail.com with ESMTPSA id z21sm81006qka.122.2020.02.12.13.36.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Feb 2020 13:36:24 -0800 (PST) Date: Wed, 12 Feb 2020 16:36:23 -0500 From: Tejun Heo To: Peter Zijlstra Cc: Prateek Sood , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] cpuset: Make cpuset hotplug synchronous Message-ID: <20200212213623.GF80993@mtj.thefacebook.com> References: <1579878449-10164-1-git-send-email-prsood@codeaurora.org> <20200212211832.GC80993@mtj.thefacebook.com> <20200212213248.GE14897@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200212213248.GE14897@hirez.programming.kicks-ass.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey, Peter. On Wed, Feb 12, 2020 at 10:32:48PM +0100, Peter Zijlstra wrote: > I think I have a similar patch in one of the many in-progress series I > keep around; IIRC it is the one where I add per-cpu support to > SCHED_DEADLINE. The hotplug accounting becomes easier if we do this. > > Sadly this series is fairly low on the todo list atm though :/ I have no > problems keeping it around until such a time though. I see. I don't have anything against the change except that there doesn't seem to be a good reason right now. If it's something which can be useful for planned changes, might as well apply it and let it cook upstream. Will apply to for-5.7. Thanks. -- tejun