From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Ray Lee <ray-lk@madrabbit.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
William Lee Irwin III <wli@holomorphy.com>,
David Chinner <dgc@sgi.com>
Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?
Date: Thu, 12 Jul 2007 21:14:59 -0700 [thread overview]
Message-ID: <4696FC43.3000201@goop.org> (raw)
In-Reply-To: <9a8748490707121925w5fb22c0o61068f06d66d5845@mail.gmail.com>
Jesper Juhl wrote:
> Yes and no. If that will get things moving in the direction of
> getting rid of the stack size as a config option, then I'm all for it.
> But on the other hand it is my personal opinion that this is an area
> where we should just make up our minds as to whether we want 4K or 8K
> stacks and whether we want interrupt stacks or not, and then not have
> it configurable at all.
Well, smaller stacks are better where possible, but there's nothing
magic about 4k. Sure, its mostly enough, but there's no particular
reason to believe it will be enough for everything. You could state a
priori that all kernel code paths must fit into 4k of stack, but that's
pretty arbitrary.
I'm tempted to post a patch making XFS depend on 8K stacks. I know is
simplistic, given that it seems to be xfs+lvm which is particularly
problematic, and other filesystems+lvm are also a problem. But its
better than crashing.
J
next prev parent reply other threads:[~2007-07-13 4:16 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-11 17:16 [PATCH][RFC] 4K stacks default, not a debug thing any more...? Jesper Juhl
2007-07-11 17:54 ` Zan Lynx
2007-07-11 20:05 ` Daniel Phillips
2007-07-11 22:09 ` Neil Brown
2007-07-12 3:15 ` Daniel Phillips
2007-07-12 4:16 ` David Chinner
2007-07-12 4:59 ` Ray Lee
2007-07-12 20:24 ` Jesper Juhl
2007-07-13 0:34 ` Jeremy Fitzhardinge
2007-07-13 2:25 ` Jesper Juhl
2007-07-13 4:14 ` Jeremy Fitzhardinge [this message]
2007-07-13 9:19 ` Jan Engelhardt
2007-07-13 13:20 ` Rene Herman
2007-07-14 19:17 ` Matt Mackall
2007-07-14 22:19 ` Rene Herman
2007-07-16 23:38 ` Matt Mackall
2007-07-17 13:46 ` Rene Herman
2007-07-18 17:19 ` Phillip Susi
2007-07-18 17:32 ` Rene Herman
2007-07-18 17:32 ` Alan Cox
2007-07-18 17:33 ` Phillip Susi
2007-07-14 19:42 ` Matt Mackall
2007-07-12 6:08 ` Jeremy Fitzhardinge
2007-07-12 6:37 ` David Chinner
[not found] <8FO1e-2jW-35@gated-at.bofh.it>
[not found] ` <8FYWD-2eS-7@gated-at.bofh.it>
[not found] ` <8GdsH-8dc-13@gated-at.bofh.it>
[not found] ` <8Ghmx-60z-17@gated-at.bofh.it>
[not found] ` <8Gj55-hJ-5@gated-at.bofh.it>
[not found] ` <8GkNo-2Vb-1@gated-at.bofh.it>
[not found] ` <8GtnN-7TG-23@gated-at.bofh.it>
[not found] ` <8GVjY-PL-25@gated-at.bofh.it>
2007-07-15 17:17 ` Bodo Eggert
2007-07-15 17:35 ` Arjan van de Ven
2007-07-15 18:32 ` Måns Rullgård
2007-07-15 17:46 ` Rene Herman
2007-07-16 13:43 ` Bodo Eggert
2007-07-16 22:28 ` Rene Herman
2007-07-16 22:37 ` Ray Lee
2007-07-16 22:54 ` Alan Cox
2007-07-16 22:53 ` Ray Lee
2007-07-16 23:05 ` Rene Herman
2007-07-16 23:15 ` Ray Lee
2007-07-18 0:14 ` Alan Cox
2007-07-18 6:39 ` Ray Lee
2007-07-17 17:01 ` William Lee Irwin III
2007-07-17 23:39 ` Jesper Juhl
2007-07-18 0:22 ` Rene Herman
2007-07-16 22:54 ` Jesper Juhl
2007-07-16 23:01 ` Rene Herman
2007-07-16 23:42 ` Bodo Eggert
2007-07-16 23:51 ` Jesper Juhl
2007-07-19 19:34 ` Denis Vlasenko
2007-07-19 20:04 ` Bodo Eggert
2007-07-16 22:55 ` Rene Herman
2007-07-16 23:07 ` Matt Mackall
2007-07-16 23:12 ` Rene Herman
2007-07-16 23:27 ` Matt Mackall
2007-07-16 23:32 ` Rene Herman
2007-07-18 2:38 ` Rene Herman
2007-07-18 16:54 ` Matt Mackall
2007-07-18 17:17 ` Rene Herman
2007-07-19 0:15 ` Andrea Arcangeli
2007-07-19 0:39 ` Alan Cox
2007-07-19 1:33 ` Andrea Arcangeli
2007-07-19 1:37 ` Matt Mackall
2007-07-19 1:56 ` Rene Herman
2007-07-19 11:24 ` Andrea Arcangeli
2007-07-19 11:44 ` Alan Cox
2007-07-27 13:02 ` Eric Sandeen
2007-07-27 17:38 ` Alan Cox
2007-07-27 18:31 ` Satyam Sharma
2007-08-01 3:53 ` Eric Sandeen
2007-08-01 8:11 ` Dan Merillat
2007-08-01 10:04 ` Neil Brown
2007-08-10 4:51 ` Dan Merillat
2007-08-10 4:59 ` Neil Brown
2007-08-01 13:33 ` Andrea Arcangeli
2007-08-01 15:44 ` Alan Cox
2007-08-10 1:03 ` Dan Merillat
2007-07-19 9:23 ` Alan Cox
2007-07-19 10:52 ` Andrea Arcangeli
2007-07-27 13:03 ` Eric Sandeen
2007-07-27 17:18 ` Krzysztof Halasa
2007-07-19 0:41 ` Matt Mackall
2007-07-19 0:48 ` Rene Herman
2007-07-19 1:28 ` Matt Mackall
2007-07-16 23:13 ` Ray Lee
2007-07-16 23:22 ` Rene Herman
2007-07-16 23:35 ` Jesper Juhl
2007-07-16 23:40 ` Ray Lee
2007-07-17 0:57 ` Rene Herman
2007-07-17 16:14 ` Shawn Bohrer
2007-07-17 16:52 ` Rene Herman
2007-07-17 17:45 ` Zan Lynx
2007-07-18 0:16 ` Alan Cox
2007-07-16 23:45 ` Bodo Eggert
2007-07-17 0:28 ` Rene Herman
2007-07-17 10:06 ` Bodo Eggert
2007-07-17 14:38 ` Rene Herman
2007-07-17 23:19 ` Bodo Eggert
2007-07-17 23:29 ` Arjan van de Ven
2007-07-19 17:20 ` Bodo Eggert
2007-07-17 23:57 ` Rene Herman
2007-07-19 17:05 ` Bodo Eggert
2007-07-16 23:26 ` utz lehmann
2007-07-16 23:39 ` Måns Rullgård
2007-07-17 1:00 ` Rene Herman
2007-07-17 14:45 ` John Stoffel
2007-07-17 23:46 ` utz lehmann
[not found] <8HfVl-71J-15@gated-at.bofh.it>
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[not found] ` <8HIb2-PD-11@gated-at.bofh.it>
[not found] ` <8HIun-1e7-33@gated-at.bofh.it>
[not found] ` <8HJA3-2Nq-9@gated-at.bofh.it>
[not found] ` <8HXWo-8t2-17@gated-at.bofh.it>
[not found] ` <8HYzd-PZ-25@gated-at.bofh.it>
[not found] ` <8HZlt-27o-7@gated-at.bofh.it>
2007-07-18 8:37 ` Nick Craig-Wood
[not found] ` <8HHRD-rK-19@gated-at.bofh.it>
[not found] ` <8HI1j-Dn-21@gated-at.bofh.it>
[not found] ` <8HIb2-PD-5@gated-at.bofh.it>
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[not found] ` <8IAkZ-WW-1@gated-at.bofh.it>
2007-07-19 13:37 ` Bodo Eggert
[not found] <8IdHQ-7Pm-25@gated-at.bofh.it>
[not found] ` <8IdHQ-7Pm-27@gated-at.bofh.it>
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[not found] ` <8IdHQ-7Pm-23@gated-at.bofh.it>
2007-07-18 11:09 ` Nick Craig-Wood
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