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From: Andi Kleen <ak@suse.de>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Tim Yamin <plasmaroo@gentoo.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH UPDATE] deflate stack usage in lib/inflate.c
Date: Fri, 13 Apr 2007 01:37:57 +0200	[thread overview]
Message-ID: <200704130137.57323.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.61.0704130119470.14441@yvahk01.tjqt.qr>

On Friday 13 April 2007 01:20:40 Jan Engelhardt wrote:
> 
> On Apr 12 2007 15:39, Jeremy Fitzhardinge wrote:
> >Andi Kleen wrote:
> >> Hmm, does Xen perhaps not use interrupt stacks? Normally 2.7k should be still
> >> green as long as there are not too many functions above/below it.
> >
> >That's a good point, I'll need to check that.  Still, nearly 3k of stack!
> 
> I bite. Would compressing the vmlinux binary with LZO or LZMA make an
> improvement to the bootstrap uncompress stack usage?

We don't care about the stack usage, as long as it doesn't overflow.
It's a very limited piece of code that doesn't run on top or below
other subsystems.

-Andi

  parent reply	other threads:[~2007-04-12 23:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-12  8:25 [PATCH] deflate stack usage in lib/inflate.c Jeremy Fitzhardinge
2007-04-12 20:50 ` [PATCH UPDATE] " Jeremy Fitzhardinge
2007-04-12 21:21   ` Andi Kleen
2007-04-12 22:39     ` Jeremy Fitzhardinge
2007-04-12 23:20       ` Jan Engelhardt
2007-04-12 23:31         ` Jeremy Fitzhardinge
2007-04-12 23:37         ` Andi Kleen [this message]
2007-04-12 22:56     ` Jeremy Fitzhardinge
2007-04-12 23:02       ` Andi Kleen
2007-04-13  0:00         ` Jeremy Fitzhardinge
2007-04-12 23:06       ` Chuck Ebbert
2007-04-12 22:25   ` Matt Mackall
2007-04-12 22:57     ` Jeremy Fitzhardinge
2007-04-12 22:53       ` Matt Mackall
2007-04-16 21:04       ` Russell King
2007-04-13 18:42   ` Matt Mackall

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