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Date:	Mon, 10 Mar 2014 11:25:46 +0100
From:	Borislav Petkov <>
To:	Chris Bainbridge <>
Cc:, "H. Peter Anvin" <>,
	Andreas Mohr <>,
	Dennis Mungai <>,
	Dave Jones <>,,
Subject: Re: [PATCH] x86: Add forcepae parameter for booting PAE kernels on
 PAE-disabled Pentium M

On Fri, Mar 07, 2014 at 06:40:42PM +0700, Chris Bainbridge wrote:
> From: Chris Bainbridge <>
> Many Pentium M systems disable PAE but may have a functionally usable PAE 
> implementation. This adds the "forcepae" parameter which bypasses the boot 
> check for PAE, and sets the CPU as being PAE capable. Using this parameter 
> will taint the kernel with TAINT_CPU_OUT_OF_SPEC.
> Signed-off-by: Chris Bainbridge <>

Looks ok to me.

Acked-by: Borislav Petkov <>


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