From: Andi Kleen <ak@muc.de>
To: hch@infradead.org, Andi Kleen <ak@muc.de>,
Ingo Molnar <mingo@elte.hu>,
andrea@suse.de, linux-kernel@vger.kernel.org, arjanv@redhat.com
Subject: Re: 4k stacks in 2.6
Date: 26 May 2004 20:24:50 +0200 [thread overview]
Date: Wed, 26 May 2004 20:24:50 +0200 [thread overview]
Message-ID: <20040526182450.GA16219@colin2.muc.de> (raw)
In-Reply-To: <20040526181734.GA30093@infradead.org>
On Wed, May 26, 2004 at 02:17:34PM -0400, hch@infradead.org wrote:
> On Wed, May 26, 2004 at 03:57:05PM +0200, Andi Kleen wrote:
> > Ingo Molnar <mingo@elte.hu> writes:
> > >
> > > do you realize that the 4K stacks feature also adds a separate softirq
> > > and a separate hardirq stack? So the maximum footprint is 4K+4K+4K, with
> >
> > A nice combination would be 8K process stacks with separate irq stacks on
> > i386.
> >
> > Any chance the CONFIGs for those two could be split?
>
> Any reason not to enable interrupt stacks unconditionally and leave
> the stack size choice to the user?
It will probably still break some other patches, like debuggers.
Given that the kernel is supposed to be stable I would not change
it unconditionally in 2.6. Maybe in 2.7.
-Andi
next prev parent reply other threads:[~2004-05-26 18:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1ZQpn-1Rx-1@gated-at.bofh.it>
[not found] ` <1ZQz8-1Yh-15@gated-at.bofh.it>
[not found] ` <1ZRFf-2Vt-3@gated-at.bofh.it>
[not found] ` <203Zu-4aT-15@gated-at.bofh.it>
2004-05-26 13:57 ` Andi Kleen
2004-05-26 18:17 ` hch
2004-05-26 18:24 ` Andi Kleen [this message]
2004-05-26 20:39 ` Zwane Mwaikambo
[not found] ` <206b3-5WN-33@gated-at.bofh.it>
[not found] ` <20baw-1Lz-15@gated-at.bofh.it>
2004-05-26 19:32 ` Andi Kleen
2004-05-27 11:27 ` Jörn Engel
2004-05-27 13:49 ` Andrea Arcangeli
2004-05-27 14:15 ` Jörn Engel
2004-05-27 14:49 ` Andrea Arcangeli
2004-05-27 14:59 ` Jörn Engel
2004-05-27 15:08 ` Keith Owens
2004-05-27 15:21 ` Jörn Engel
2004-05-27 15:34 ` Arjan van de Ven
2004-05-27 15:46 ` Jörn Engel
2004-06-01 5:25 ` Jörn Engel
2004-05-26 15:17 Albert Cahalan
-- strict thread matches above, loose matches on Subject: below --
2004-05-25 19:50 4g/4g for 2.6.6 Rik van Riel
2004-05-25 20:10 ` Rik van Riel
2004-05-25 21:15 ` Andrea Arcangeli
2004-05-26 10:33 ` 4k stacks in 2.6 Ingo Molnar
2004-05-26 12:50 ` Jörn Engel
2004-05-26 12:53 ` Arjan van de Ven
2004-05-26 13:00 ` Jörn Engel
2004-05-26 13:05 ` Arjan van de Ven
2004-05-26 16:41 ` Jörn Engel
2004-05-27 12:45 ` Ingo Molnar
2004-05-27 13:59 ` Andrea Arcangeli
2004-05-27 14:03 ` Arjan van de Ven
2004-05-27 14:42 ` Andrea Arcangeli
2004-06-02 19:40 ` Bill Davidsen
2004-05-27 14:18 ` Brian Gerst
2004-05-27 14:50 ` Andrea Arcangeli
2004-05-27 14:55 ` Linus Torvalds
2004-05-27 15:39 ` Andrea Arcangeli
2004-05-27 18:31 ` Guy Sotomayor
2004-05-27 19:26 ` Brian Gerst
2004-06-07 18:14 ` Timothy Miller
2004-06-08 6:26 ` Arjan van de Ven
2004-06-08 8:45 ` Jörn Engel
2004-05-26 18:12 ` David S. Miller
2004-05-26 19:02 ` Matt Mackall
2004-05-26 19:25 ` Dave Jones
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