linux-kernel - Re: i686 quirk for AMD Geode

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Message-ID: <4B046038.4040608@zytor.com>
Date:	Wed, 18 Nov 2009 12:59:36 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
CC:	Valdis.Kletnieks@...edu, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Machek <pavel@....cz>,
	Matteo Croce <technoboy85@...il.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: i686 quirk for AMD Geode

On 11/18/2009 12:21 PM, Lennart Sorensen wrote:
> 
> OK, I added a bit of debuging print statements to msr.c and I find that
> calling rdmsr 0x1810 returns error 0xfffffff2 (-14 that is).
> 

What this means is the RDMSR instruction traps -- the CPU doesn't
recognize this as a valid MSR.

	-hpa
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