linux-kernel - Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and waiter logic to load balance console writes

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Message-ID: <20180416153031.GA5039@amd>
Date:   Mon, 16 Apr 2018 17:30:31 +0200
From:   Pavel Machek <pavel@....cz>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Sasha Levin <Alexander.Levin@...rosoft.com>,
        Petr Mladek <pmladek@...e.com>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Peter Zijlstra <peterz@...radead.org>, Jan Kara <jack@...e.cz>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Byungchul Park <byungchul.park@....com>,
        Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH AUTOSEL for 4.14 015/161] printk: Add console owner and
 waiter logic to load balance console writes

On Mon 2018-04-16 08:18:09, Linus Torvalds wrote:
> On Mon, Apr 16, 2018 at 6:30 AM, Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > I wonder if the "AUTOSEL" patches should at least have an "ack-by" from
> > someone before they are pulled in. Otherwise there may be some subtle
> > issues that can find their way into stable releases.
> 
> I don't know about anybody else, but I  get so many of the patch-bot
> patches for stable etc that I will *not* reply to normal cases. Only
> if there's some issue with a patch will I reply.
> 
> I probably do get more than most, but still - requiring active
> participation for the steady flow of normal stable patches is almost
> pointless.
> 
> Just look at the subject line of this thread. The numbers are so big
> that you almost need exponential notation for them.

Question is if we need that many stable patches? Autosel seems to be
picking up race conditions in LED state and W+X page fixes... I'd
really like to see less stable patches.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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