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From: Ingo Molnar <>
To: Mathieu Desnoyers <>
	Thomas Gleixner <>,
	Arjan van de Ven <>
Subject: Re: [PATCH] x86 Fix test_poke for vmalloced pages
Date: Tue, 11 Mar 2008 10:09:47 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <20080310183653.GA4482@Krystal>

* Mathieu Desnoyers <> wrote:

> The shadow vmap for DEBUG_RODATA kernel text modification uses 
> virt_to_page to get the pages from the pointer address.
> However, I think vmalloc_to_page would be required in case the page is 
> used for modules.
> Since only the core kernel text is marked read-only, use 
> kernel_text_address() to make sure we only shadow map the core kernel 
> text, not modules.

actually, i think we should mark module text readonly too.


  reply	other threads:[~2008-03-11  9:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-10 18:36 Mathieu Desnoyers
2008-03-11  9:09 ` Ingo Molnar [this message]
2008-03-11  9:25   ` Mathieu Desnoyers
2008-03-12 15:54   ` Mathieu Desnoyers

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