linux-kernel - Re: [patch] removes MAX_ARG

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Message-Id: <20070509134815.81cb9aa9.akpm@linux-foundation.org>
Date:	Wed, 9 May 2007 13:48:15 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Ollie Wild" <aaw@...gle.com>
Cc:	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, parisc-linux@...ts.parisc-linux.org,
	linux-mm@...ck.org, linux-arch@...r.kernel.org,
	"Ingo Molnar" <mingo@...e.hu>, "Andi Kleen" <ak@...e.de>
Subject: Re: [patch] removes MAX_ARG_PAGES

On Sun, 6 May 2007 01:51:34 -0700
"Ollie Wild" <aaw@...gle.com> wrote:

> A while back, I sent out a preliminary patch
> (http://thread.gmane.org/gmane.linux.ports.hppa/752) to remove the
> MAX_ARG_PAGES limit on command line sizes.  Since then, Peter Zijlstra
> and I have fixed a number of bugs and addressed the various
> outstanding issues.
> 
> The attached patch incorporates the following changes:
> 
> - Fixes a BUG_ON() assertion failure discovered by Ingo Molnar.
> - Adds CONFIG_STACK_GROWSUP (parisc) support.
> - Adds auditing support.
> - Reverts to the old behavior on architectures with no MMU.
> - Fixes broken execution of 64-bit binaries from 32-bit binaries.
> - Adds elf_fdpic support.
> - Fixes cache coherency bugs.
> 
> We've tested the following architectures: i386, x86_64, um/i386,
> parisc, and frv.  These are representative of the various scenarios
> which this patch addresses, but other architecture teams should try it
> out to make sure there aren't any unexpected gotchas.

I'll duck this for now, given the couple of problems which people have reported.

But please keep going ;)  We sorely need this.
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