linux-kernel - Re: [PATCH UPDATE] deflate stack usage in lib/inflate.c

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Message-ID: <461EC81D.6020609@goop.org>
Date:	Thu, 12 Apr 2007 17:00:29 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Tim Yamin <plasmaroo@...too.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH UPDATE] deflate stack usage in lib/inflate.c

Andi Kleen wrote:
> Yes, but then we should have seen more frequently, shouldn't we? I always
> run with the stack overflow check enabled and I don't think I ever saw 
> warnings in inflate.
>   

I guess the window is just while decompressing the root filesystem. 
Interrupts under Xen might be using a little more stack (~40-50 bytes?),
but its not a qualitative difference.  It might have more to do with
different timing.

    J
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