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=1.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, FSL_HELO_FAKE,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 35D32C04EB8 for ; Tue, 4 Dec 2018 08:42:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECF0420851 for ; Tue, 4 Dec 2018 08:42:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JzKcSFdm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ECF0420851 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725884AbeLDImy (ORCPT ); Tue, 4 Dec 2018 03:42:54 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:53086 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbeLDImy (ORCPT ); Tue, 4 Dec 2018 03:42:54 -0500 Received: by mail-wm1-f66.google.com with SMTP id r11-v6so8580111wmb.2 for ; Tue, 04 Dec 2018 00:42:53 -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:user-agent; bh=8thwjJFbQIT61gEMRxejWDIioOgS8MMGlYWtqMY3MNM=; b=JzKcSFdmpgLWxX7CYpdLR6OzfzKjImjicZQxHVTiqjcp0LxUFGjdBiQer7F5UbCU9z /SEVsOP1d1zlPhfOImY9YwdKD1cF1lqZGIr4ufXPE+dPxZml60nUVDLuhu3w9CjXHLMz Ww0krTmFW+ULixij+W6+X4c7QY5jVbzyHACIwD+IaYhUucj0Tn2E7EjdxhkwWBlQ6RV3 nkWNpBNx65NvGwpZdJKY+xmM2bxpY6iv6Yo8Q1gPY5ueCaSyAdnEjnwTeBgMvDblPkEl 0vYPCbNlJGDRa6fC6BnxFhWUnwCfwn1xuep1eDkXDkgs9FaxkrQMKvhiIXuJu8Uaf+af VwFw== 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:user-agent; bh=8thwjJFbQIT61gEMRxejWDIioOgS8MMGlYWtqMY3MNM=; b=beMW7J5nrbzseqONXu4ogfj3ZYx/9EPtpL+9HNqoDLv9688+AudHg0EOBoKpn4Rpf5 hKWMI6f6z/i2tkki5yiNutp96Ji6zU/l5Fsl2Q6pMZy5AfyMqMM2iQYQJVrSLoosdqcA L/FlEKfKz4EFhlOFHeyfBBClw6rSSZVlx2L353cur5HiUSBwHASlhzHm6WNmppwBURRk oai8DFlyP3jioVWT2dwQbuT993cPcyzA1cMJnInuXvbXCOAc6vNVoqGWDXBH8arCmhTF 97UiOufWfkFGSNen6/V/pZPbLLZd51rTPyqTlvXofBeDmWX8QSDudMd0trTJkmReQu03 jvqw== X-Gm-Message-State: AA+aEWa0g9pqYE3UuMoYAT5IoKO8qGCEKAF8/bXJAtGHINbCW59mUMme SoyINy66wSBj964AcnE2p80= X-Google-Smtp-Source: AFSGD/UHpKBeLwbUU06kn8bPUytkWwhxbnA9l1cnG91WBCySP2RvyIBd7wtJ1eah02YOup9eeZz09w== X-Received: by 2002:a1c:cec1:: with SMTP id e184mr11879559wmg.75.1543912972830; Tue, 04 Dec 2018 00:42:52 -0800 (PST) Received: from gmail.com (2E8B0CD5.catv.pool.telekom.hu. [46.139.12.213]) by smtp.gmail.com with ESMTPSA id f18sm16245122wrs.92.2018.12.04.00.42.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Dec 2018 00:42:52 -0800 (PST) Date: Tue, 4 Dec 2018 09:42:49 +0100 From: Ingo Molnar To: "Rafael J. Wysocki" Cc: Linus Torvalds , Linux List Kernel Mailing , "Rafael J. Wysocki" , Chanho Min , Thomas Gleixner , Peter Zijlstra , Oleg Nesterov , Pavel Machek , Michal Hocko Subject: Re: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4) Message-ID: <20181204084249.GB73770@gmail.com> References: <20181203074700.GA21240@gmail.com> <6573018.UI13nD0mEW@aspire.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6573018.UI13nD0mEW@aspire.rjw.lan> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Rafael J. Wysocki wrote: > > Note that I haven't tested the revert yet, but the code and the breakage > > looks pretty obvious. (I'll boot the revert, will follow up if that > > didn't solve the problem.) > > I can queue up a revert unless anyone beats me to that. Thanks! I have 1+ days uptime now on the system, no splat or other problems, as expected: Tested-by: Ingo Molnar I have the revert locally in -tip, will drop it once your commit hits upstream. Ingo