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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 B2C88C04EB9 for ; Mon, 3 Dec 2018 12:31:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EE8720878 for ; Mon, 3 Dec 2018 12:31:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7EE8720878 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com 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 S1726476AbeLCMcp (ORCPT ); Mon, 3 Dec 2018 07:32:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45972 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726163AbeLCMcp (ORCPT ); Mon, 3 Dec 2018 07:32:45 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1D5D5C034E1F; Mon, 3 Dec 2018 12:31:53 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.43.17.12]) by smtp.corp.redhat.com (Postfix) with SMTP id 82FDD272C0; Mon, 3 Dec 2018 12:31:50 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Mon, 3 Dec 2018 13:31:52 +0100 (CET) Date: Mon, 3 Dec 2018 13:31:49 +0100 From: Oleg Nesterov To: Michal Hocko Cc: Ingo Molnar , Linus Torvalds , Linux List Kernel Mailing , "Rafael J. Wysocki" , Chanho Min , Thomas Gleixner , Peter Zijlstra , Pavel Machek Subject: Re: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4) Message-ID: <20181203123149.GB31795@redhat.com> References: <20181203074700.GA21240@gmail.com> <20181203083942.GF31738@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181203083942.GF31738@dhcp22.suse.cz> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Mon, 03 Dec 2018 12:31:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/03, Michal Hocko wrote: > > Now, I wouldn't mind to revert this because the code is really old and > we haven't seen many bug reports about failing suspend yet. But what is > the actual plan to make this work properly? I don't see a simple solution... But we need to fix exec/de_thread anyway, then we can probably reconsider this patch. Oleg.