From: Peter Zijlstra <peterz@infradead.org>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>,
raz ben yehuda <raziebe@gmail.com>,
riel@redhat.com, mingo@elte.hu,
andrew motron <akpm@linux-foundation.org>,
wiseman@macs.biu.ac.il, lkml <linux-kernel@vger.kernel.org>,
linux-rt-users@vger.kernel.org
Subject: Re: RFC: THE OFFLINE SCHEDULER
Date: Tue, 25 Aug 2009 21:08:42 +0200 [thread overview]
Message-ID: <1251227322.7538.1172.camel@twins> (raw)
In-Reply-To: <alpine.DEB.1.10.0908251402300.17963@gentwo.org>
On Tue, 2009-08-25 at 14:03 -0400, Christoph Lameter wrote:
> On Tue, 25 Aug 2009, Mike Galbraith wrote:
>
> > I asked the questions I did out of pure curiosity, and that curiosity
> > has been satisfied. It's not that I find it useless or whatnot (or that
> > my opinion matters to anyone but me;). I personally find the concept of
> > injecting an RTOS into a general purpose OS with no isolation to be
> > alien. Intriguing, but very very alien.
>
> Well lets work on the isolation piece then. We could run a regular process
> on the RT cpu and switch back when OS services are needed?
Christoph, stop being silly, this offline scheduler thing won't happen,
full stop.
Its not a maintainable solution, it doesn't integrate with existing
kernel infrastructure, and its plain ugly.
If you want something work within Linux, don't build kernels in kernels
or other such ugly hacks.
next prev parent reply other threads:[~2009-08-25 19:10 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-22 23:27 RFC: THE OFFLINE SCHEDULER raz ben yehuda
2009-08-23 5:21 ` Mike Galbraith
2009-08-23 9:09 ` raz ben yehuda
2009-08-23 7:30 ` Mike Galbraith
2009-08-23 11:05 ` raz ben yehuda
2009-08-23 9:52 ` Mike Galbraith
2009-08-25 15:23 ` Christoph Lameter
2009-08-25 17:56 ` Mike Galbraith
2009-08-25 18:03 ` Christoph Lameter
2009-08-25 18:12 ` Mike Galbraith
[not found] ` <5d96567b0908251522m3fd4ab98n76a52a34a11e874c@mail.gmail.com>
2009-08-25 22:32 ` Fwd: " Raz
2009-08-25 19:08 ` Peter Zijlstra [this message]
2009-08-25 19:18 ` Christoph Lameter
2009-08-25 19:22 ` Chris Friesen
2009-08-25 20:35 ` Sven-Thorsten Dietrich
2009-08-26 5:31 ` Peter Zijlstra
2009-08-26 10:29 ` raz ben yehuda
2009-08-26 8:02 ` Mike Galbraith
2009-08-26 8:16 ` Raz
2009-08-26 13:47 ` Christoph Lameter
2009-08-26 14:45 ` Maxim Levitsky
2009-08-26 14:54 ` raz ben yehuda
2009-08-26 15:06 ` Pekka Enberg
2009-08-26 15:11 ` raz ben yehuda
2009-08-26 15:30 ` Peter Zijlstra
2009-08-26 15:41 ` Christoph Lameter
2009-08-26 16:03 ` Peter Zijlstra
2009-08-26 16:16 ` Pekka Enberg
2009-08-26 16:20 ` Christoph Lameter
2009-08-26 18:04 ` Ingo Molnar
2009-08-26 19:15 ` Christoph Lameter
2009-08-26 19:32 ` Ingo Molnar
2009-08-26 20:40 ` Christoph Lameter
2009-08-26 20:50 ` Andrew Morton
2009-08-26 21:09 ` Christoph Lameter
2009-08-26 21:15 ` Chris Friesen
2009-08-26 21:37 ` raz ben yehuda
2009-08-27 16:51 ` Chris Friesen
2009-08-27 17:04 ` Christoph Lameter
2009-08-27 21:09 ` Thomas Gleixner
2009-08-27 22:22 ` Gregory Haskins
2009-08-28 2:15 ` Rik van Riel
2009-08-28 3:33 ` Gregory Haskins
2009-08-28 4:27 ` Gregory Haskins
2009-08-28 10:26 ` Thomas Gleixner
2009-08-28 18:57 ` Christoph Lameter
2009-08-28 19:23 ` Thomas Gleixner
2009-08-28 19:52 ` Christoph Lameter
2009-08-28 20:00 ` Thomas Gleixner
2009-08-28 20:21 ` Christoph Lameter
2009-08-28 20:34 ` Thomas Gleixner
2009-08-31 19:19 ` Christoph Lameter
2009-08-31 17:44 ` Roland Dreier
2009-09-01 18:42 ` Christoph Lameter
2009-09-01 16:15 ` Roland Dreier
2009-08-29 17:03 ` jim owens
2009-08-31 19:22 ` Christoph Lameter
2009-08-31 15:33 ` Peter Zijlstra
2009-09-01 18:46 ` Christoph Lameter
2009-08-28 6:14 ` Peter Zijlstra
2009-08-27 23:51 ` Chris Friesen
2009-08-28 0:44 ` Thomas Gleixner
2009-08-28 21:20 ` Chris Friesen
2009-08-28 18:43 ` Christoph Lameter
2009-08-27 21:33 ` raz ben yehuda
2009-08-27 22:05 ` Thomas Gleixner
2009-08-28 8:38 ` raz ben yehuda
2009-08-28 10:05 ` Thomas Gleixner
2009-08-28 13:25 ` Rik van Riel
2009-08-28 13:37 ` jim owens
2009-08-28 15:22 ` raz ben yehuda
2009-08-26 21:34 ` Ingo Molnar
2009-08-27 2:55 ` Frank Ch. Eigler
2009-08-26 21:34 ` raz ben yehuda
2009-08-26 21:08 ` Ingo Molnar
2009-08-26 21:26 ` Christoph Lameter
2009-08-26 21:32 ` raz ben yehuda
2009-08-27 7:15 ` Mike Galbraith
2009-08-26 15:37 ` Chetan.Loke
2009-08-26 15:21 ` Pekka Enberg
2009-08-25 21:09 ` Éric Piel
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