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Mon, 16 Apr 2018 15:58:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:51132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753269AbeDPT6H (ORCPT ); Mon, 16 Apr 2018 15:58:07 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3FBF0217D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Mon, 16 Apr 2018 15:58:03 -0400 From: Steven Rostedt To: Linus Torvalds Cc: Sasha Levin , Pavel Machek , Petr Mladek , "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "akpm@linux-foundation.org" , "linux-mm@kvack.org" , Cong Wang , Dave Hansen , Johannes Weiner , Mel Gorman , Michal Hocko , Vlastimil Babka , Peter Zijlstra , Jan Kara , Mathieu Desnoyers , Tetsuo Handa , Byungchul Park , Tejun Heo , Greg KH Subject: Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes Message-ID: <20180416155803.00aaa5d7@gandalf.local.home> In-Reply-To: References: <20180416153031.GA5039@amd> <20180416155031.GX2341@sasha-vm> <20180416160608.GA7071@amd> <20180416122019.1c175925@gandalf.local.home> <20180416162757.GB2341@sasha-vm> <20180416163952.GA8740@amd> <20180416164310.GF2341@sasha-vm> <20180416125307.0c4f6f28@gandalf.local.home> <20180416170936.GI2341@sasha-vm> <20180416133321.40a166a4@gandalf.local.home> <20180416174236.GL2341@sasha-vm> <20180416142653.0f017647@gandalf.local.home> <20180416144117.5757ee70@gandalf.local.home> <20180416152429.529e3cba@gandalf.local.home> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, 16 Apr 2018 12:31:09 -0700 Linus Torvalds wrote: > > But the -stable tree? > > Seriously, what do you expect them to do if they get a report that a > commit they added to the stable tree regresses? > > "Revert first, ask questions later" is definitely a very sane model there. The topic of our discussion is on what to backport, and how likely is it to cause regressions. I'm arguing that the bar for backporting should be raised, and that only "critical" fixes should be backported. Sasha pointed this bug fix as an example, and asked me if I would backport it under my conditions. I said yes. He then said "it was reverted", pointing me to the commit that fixed it. That confused me. When I looked further, I noticed that it wasn't reverted, and since he pointed me to the API fix, I said "I hope it wasn't reverted" meaning I hope they backported the obvious API fix and didn't just revert the original fix. -- Steve