linux-kernel - Re: [PATCH] x86-64: more fixes and cleanup to AMD Fam10 MMCONF enabling

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Date:	Fri, 05 Nov 2010 13:13:02 +0000
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	"Andreas Herrmann" <herrmann.der.user@...glemail.com>
Cc:	<mingo@...e.hu>, "Yinghai Lu" <yinghai@...nel.org>,
	<tglx@...utronix.de>, <linux-kernel@...r.kernel.org>,
	<hpa@...or.com>
Subject: Re: [PATCH] x86-64: more fixes and cleanup to AMD Fam10 MMCONF
	 enabling

>>> On 05.11.10 at 14:07, Andreas Herrmann <herrmann.der.user@...glemail.com>
wrote:
> On Fri, Nov 05, 2010 at 10:59:10AM +0000, Jan Beulich wrote:
>> Unfortunately it turned out the original code had more issues: We want
>> to place the region above 4G in any case (even if TOM2 isn't enabled
>> or invalid), and the base mask definition was improperly typed (thus
> 
> I am just curios. Do you actually have access to a system where TOM2
> isn't properly configured?

No - but since it was relatively obvious that the TOM2-not-set case
needed correction, it seemed simple and reasonable to also adjust
the TOM2-set-to-below-4G case.

Jan

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