Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups
From: Mike Galbraith <efault@gmx.de>
To: Mika Laitio <lamikr@pilppa.org>
Cc: Lennart Poettering <mzxreary@0pointer.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Dhaval Giani <dhaval.giani@gmail.com>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Vivek Goyal <vgoyal@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
        Markus Trippelsdorf <markus@trippelsdorf.de>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
        Balbir Singh <balbir@linux.vnet.ibm.com>
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Date: Sat, 20 Nov 2010 17:19:05 -0700
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On Sun, 2010-11-21 at 00:16 +0200, Mika Laitio wrote:
> > > What complexity? Have you looked at the patch? It has no complexity anywhere.
> > > 
> > > It's a _lot_ less complex than having system daemons you don't
> > > control. We have not had good results with that approach in the past.
> > > System daemons tend to cause nasty problems, and debugging them is a
> > > nightmare.
> > 
> > Well, userspace doesn't bite.
> 
> To me, this starts sounding like a legendary "userspace suspend" versus 
> "kernel suspend" support fights many years ago... 

Nah.  Patch accepted, rejected, obsoleted 10 minutes from now etc etc,
it'll never be a big deal.

	-Mike

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