linux-kernel - Re: 2.6.26, PAT and AMD family 6

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Message-ID: <48224507.8010102@keyaccess.nl>
Date:	Thu, 08 May 2008 02:10:47 +0200
From:	Rene Herman <rene.herman@...access.nl>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Adrian Bunk <bunk@...nel.org>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	Pavel Machek <pavel@...e.cz>
Subject: Re: 2.6.26, PAT and AMD family 6

On 08-05-08 02:03, H. Peter Anvin wrote:
> Rene Herman wrote:
>>>
>>> Okay, that is utter nonsense.  /proc/cpuinfo has always been, and 
>>> will always be, the CPU *AS THE KERNEL SEES IT*.  If you want 
>>> something else, use x86info(1).
>>
>> What a lovely way of syncing reality with your definitions. The kernel
>> _does_ see that my CPU features PAT, it just refuses to use it because
>> it doesn't trust it enough. Vital difference. Maybe not to the kernel,
>> but definitely to me, the user. /proc/cpuinfo is a user interface.
>>
> 
> No, /proc/cpuinfo is informing the user about the kernel's view of the 
> CPU.

And again, the kernel DOES see that my CPU features PAT, it just refuses
to use it.

Rene.
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