Received: by 2002:ac0:aa62:0:0:0:0:0 with SMTP id w31-v6csp2008302ima; Mon, 22 Oct 2018 02:33:51 -0700 (PDT) X-Google-Smtp-Source: ACcGV60CI+JZ9MXK1JbNF7rXFd/Eei8zcwJO7zhEtKA6PmHekAVh4Aye8AtZdbjxxfuBaeROWj+l X-Received: by 2002:a62:939d:: with SMTP id r29-v6mr45249893pfk.55.1540200831868; Mon, 22 Oct 2018 02:33:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1540200831; cv=none; d=google.com; s=arc-20160816; b=TjR99wVMnhsVITEDb3AafK9hNmiT79lC16UM+GfycWNMVo1IsmTrM8hfUY/Bw5r2XN 7edBDZ0YDedtbKyHzlzE3XPq4N+79r6bCUQBCuiQ9XygSIjP06oOZBSOCCh/wKrJvU8Z 3KRdZSy7+IDehZ2oEmQirw34L4fWQFnMe/vXEThzf96nrD4IuZtePMv868f5q7rXwwrn v4Auo9BC1CaVHITtJyzGQhCy1iPsr0I32bo/be1SM2kIqYDyVFeU0R/dFfHQmU2cY5XU /mmcvmYE9uJMKajDeH/ZwJ9fX13nTO/Vgw1Rzg3ntkb+TeGEjQoIUdeDvVv9xZi79vW6 Z17g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=e0yWVqzPnw9irF1gfu7ogfANz47LEbbU++7y45qj6LE=; b=VGvYDQdGrN6X9AzbPS47+5VpfWmTH1rk7Wfqw4tPjW1j74sWf2cNCuy1ZbkR74/rfw GYv++MBnDn5eXeW9r9/UMlI82+LTdFhPBPI7B0LlDj8xgTdpAXY/C3f6pE9ikMBh4wVx wJlZmgYdHPq5BEkGqoFWouR1iK5sd/eBhdR+km1xh6NU6ysj85GvSfj1Sjr6lDYndO2K hB1FVHzy5RG4RN3M6Qx5m14pdfwW/WBS7tJDm2HE4wGr50JxQ+XZ8b3wFVO5LMeUQDrf FHhUHS8hftQdI3OVNacJAtNvQT8EaV1wMzL2mSAD9ljTbzGhV1hN20eMqGN3VDlh5ZoJ tmyw== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a195-v6si29295952pfa.235.2018.10.22.02.33.37; Mon, 22 Oct 2018 02:33:51 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728035AbeJVRuO (ORCPT + 99 others); Mon, 22 Oct 2018 13:50:14 -0400 Received: from mx2.suse.de ([195.135.220.15]:43518 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727523AbeJVRuO (ORCPT ); Mon, 22 Oct 2018 13:50:14 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 49FDFAF97; Mon, 22 Oct 2018 09:32:29 +0000 (UTC) Date: Mon, 22 Oct 2018 11:32:26 +0200 From: Petr Mladek To: Daniel Wang Cc: sergey.senozhatsky.work@gmail.com, rostedt@goodmis.org, stable@vger.kernel.org, Alexander.Levin@microsoft.com, akpm@linux-foundation.org, byungchul.park@lge.com, dave.hansen@intel.com, hannes@cmpxchg.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mathieu Desnoyers , Mel Gorman , mhocko@kernel.org, pavel@ucw.cz, penguin-kernel@i-love.sakura.ne.jp, peterz@infradead.org, tj@kernel.org, torvalds@linux-foundation.org, vbabka@suse.cz, Cong Wang , Peter Feiner Subject: Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes" Message-ID: <20181022093226.nn5h7ohuzcyeezyt@pathway.suse.cz> References: <20181002212327.7aab0b79@vmware.local.home> <20181003091400.rgdjpjeaoinnrysx@pathway.suse.cz> <20181003133704.43a58cf5@gandalf.local.home> <20181004074442.GA12879@jagdpanzerIV> <20181004083609.kcziz2ynwi2w7lcm@pathway.suse.cz> <20181004085515.GC12879@jagdpanzerIV> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170421 (1.8.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun 2018-10-21 11:09:22, Daniel Wang wrote: > Just got back from vacation. Thanks for the continued discussion. Just so > I understand the current state. Looks like we've got a pretty good explanation > of what's going on (though not completely sure), and backporting Steven's > patches is still the way to go? I see that Sergey had sent an RFC series > for similar things. Are those trying to solve the deadlock problem in a > different way?On Thu, Oct 4, 2018 at 1:55 AM Sergey Senozhatsky I suggest to go with backporting Steven's patchset. We do not have anything better at the moment. Best Regards, Petr