linux-ext4 - Re: [PATCH 1/1] x86: fix text

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Message-ID: <Pine.LNX.4.64.0804251235550.6337@schroedinger.engr.sgi.com>
Date:	Fri, 25 Apr 2008 12:36:33 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Slaby <jirislaby@...il.com>,
	David Miller <davem@...emloft.net>, zdenek.kabelac@...il.com,
	rjw@...k.pl, paulmck@...ux.vnet.ibm.com, akpm@...ux-foundation.org,
	linux-ext4@...r.kernel.org, herbert@...dor.apana.org.au,
	penberg@...helsinki.fi, linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	pageexec@...email.hu, "H. Peter Anvin" <hpa@...or.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 1/1] x86: fix text_poke

On Fri, 25 Apr 2008, Andi Kleen wrote:

> > And we should really add a lot more sanity checking there.
> 
> A debug mode for virt_to_page(),__pa,__va et.al. would probably make sense
> and would have caught it.
> 
> I used to have that partly in the x86-64 port with VIRTUAL_BUG_ON.

Good idea! Do you have a patch?

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