linux-kernel - Re: [PATCH 3/3] sched: Implement interface for cgroup unified hierarchy

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Message-ID: <1445924531.2909.79.camel@gmail.com>
Date:	Tue, 27 Oct 2015 06:42:11 +0100
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Paul Turner <pjt@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>, lizefan@...wei.com,
	cgroups <cgroups@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-team <kernel-team@...com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 3/3] sched: Implement interface for cgroup unified
 hierarchy

On Tue, 2015-10-27 at 12:16 +0900, Tejun Heo wrote:
> Hello, Mike.
> 
> On Sun, Oct 25, 2015 at 04:43:33AM +0100, Mike Galbraith wrote:
> > I don't think it's weird, it's just a thought wrt where pigeon holing
> > could lead:  If you filter out current users who do so in a manner you
> > consider to be in some way odd, when all the filtering is done, you may
> > find that you've filtered out the vast majority of current deployment.
> 
> I think you misunderstood what I wrote.  It's not about excluding
> existing odd use cases.  It's about examining the usages and
> extracting the required capabilities and building an interface which
> is well defined and blends well with the rest of programming interface
> provided by the kernel so that those can be achieved in a saner way.

Sure, sounds fine, I just fervently hope that the below is foul swamp
gas having nothing what so ever to do with your definition of "saner".

http://www.linuxfoundation.org/news-media/blogs/browse/2013/08/all-about-linux-kernel-cgroup%E2%80%99s-redesign

http://www.freedesktop.org/wiki/Software/systemd/ControlGroupInterface/

I'm not into begging.  I really don't want to have to ask anyone to
pretty please do for me what I can currently do all by my little self
without having to give a rats ass less whether what I want to do fits in
the world view of this or that obnoxious little control freak.

	-Mike

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