linux-kernel - Re: 2.6.22-rc1 does not boot on VIA C3_2 cause of X86

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Message-ID: <464BB60B.8060207@zytor.com>
Date:	Wed, 16 May 2007 18:55:23 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Dave Jones <davej@...hat.com>, Christian <haveaniceday@...sv.de>,
	linux-kernel@...r.kernel.org, ak@...e.de
Subject: Re: 2.6.22-rc1 does not boot on VIA C3_2 cause of X86_CMPXCHG64

H. Peter Anvin wrote:
> 
> Andi added code to verify that we can actually execute on the processor
> before protected mode (so we can still get a message out through the
> BIOS.)  That code presumably doesn't know of the MSR that needs to be
> touched.
> 
> That code is in assembly in Andi's version, my rewritten version has it
> in C.  I should add this code.
> 

The newsetup tree now has code to unmask features on VIA and Transmeta
(as well as AMD, which was already in there):

http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-newsetup.git;a=commitdiff;h=c9cf55604433b386d0b499ed7bed654fd01c3be2

	-hpa
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