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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no 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 0AE56C352A4 for ; Wed, 12 Feb 2020 22:14:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5F882082F for ; Wed, 12 Feb 2020 22:14:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581545670; bh=6QH3JpdqDAtDJrX85kNlXvs9GewPDWH/mRUJTUcKSuI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=pKFwGzv/vx+T9ET8VT4imfqykNDxUni4gKa0vApJIUvzSrI6sQL36Lc7jJb/vl0wC EPvOlVvvlpgHCUpsM3s1vW5tOlPD6PQrEAcQg5xXPBsJa3rYfXLLVvD74vyujUgtnf j7XCxETlS53cx2bdhiCwSvPafsLRPq+/S3udZ1ww= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729152AbgBLWOa (ORCPT ); Wed, 12 Feb 2020 17:14:30 -0500 Received: from mail-qk1-f193.google.com ([209.85.222.193]:45672 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728603AbgBLWO3 (ORCPT ); Wed, 12 Feb 2020 17:14:29 -0500 Received: by mail-qk1-f193.google.com with SMTP id a2so3691525qko.12; Wed, 12 Feb 2020 14:14:29 -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=5wn2A1jq0XAt6mjZPfnCGuSlCgwymyCtNgjaq2MIIL0=; b=HxEDbSsr9BgQr15mCFJj3TWx3sPLSUD5N0qYHcOx8MwhQiP8y3Tk9tBhxRFMFAYY81 hJSaxoCfVkUEYhuG6xPSj2HdgdvdQY7DBc3EBu0eP0Fvc7Ecv4/6RPLUqQUlMekefnnY 1sK5x721YdF2+BxwX/kHdJrC6z4VFFECqzlEubpnCEVRrcIfvskSDtn4JHPwOyC1SdBv opFqzlqR0GqYEDFVbmCbWasZErcV1JHRWnaAzu97nTJ0JY10CfXNed1I7VoBTJgV8Idw WPzxiITJLJgL6k6pD4TmeGWYbAfK54WeGZ7hJtYoNiRLf/YRw6uLL6hsA2C8JIsOt2IE PYGg== 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=5wn2A1jq0XAt6mjZPfnCGuSlCgwymyCtNgjaq2MIIL0=; b=tJkhbXd0s+3zN1cf/6gko7xum/31ZmHdD/nyzRGLSgd46eaheh1ITPL3IPT5enaIOB kCdIPn9nSyb9aEh2aAeCx1mUlrt+Y6JDimPQ7AQoVFlyQ4JjSekYxv/If6tApWULbUew LHsO1Jd1z0iBM7XK3jr8eZsdIz9+S9NplXknPs8cYtQ8UalrXlcekBJ8nLlD3p6PnU7u 3DkDq0ErADeVp9v2fjsYckkv1zHoshijt8zyUOgT6yWUvIyZrWfqt8svuuse/zKe16bZ Cx5eJghUAxtOi8VUct9Hp3MqBL47mvVYnbsjrOJNXZ3sDCEGQ7IN8TB2LOO1c+hTtboG cM8A== X-Gm-Message-State: APjAAAUksVU6rFAQ8covPyC6hk54Egz94OvIXTdFiTD+8mKE6PtWrC0b DrcbfZN0sbWK5DMwWEl1wmI5jSlwfIM= X-Google-Smtp-Source: APXvYqxBrptXhkwFDgbeO/elgSRqVvK1OUQEDwSn8e9zYFd9G4ZZNllDzPAQIM5TSnUFGy9G6B1WVw== X-Received: by 2002:ae9:eb49:: with SMTP id b70mr10802147qkg.307.1581545668777; Wed, 12 Feb 2020 14:14:28 -0800 (PST) Received: from localhost ([2620:10d:c091:500::1:985a]) by smtp.gmail.com with ESMTPSA id p19sm284083qte.81.2020.02.12.14.14.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Feb 2020 14:14:28 -0800 (PST) Date: Wed, 12 Feb 2020 17:14:27 -0500 From: Tejun Heo To: Prateek Sood Cc: peterz@infradead.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] cpuset: Make cpuset hotplug synchronous Message-ID: <20200212221427.GK80993@mtj.thefacebook.com> References: <1579878449-10164-1-git-send-email-prsood@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1579878449-10164-1-git-send-email-prsood@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 24, 2020 at 08:37:29PM +0530, Prateek Sood wrote: > Convert cpuset_hotplug_workfn() into synchronous call for cpu hotplug > path. For memory hotplug path it still gets queued as a work item. > > Since cpuset_hotplug_workfn() can be made synchronous for cpu hotplug > path, it is not required to wait for cpuset hotplug while thawing > processes. > > Signed-off-by: Prateek Sood Applied to cgroup/for-5.7. Thanks. -- tejun