linux-kernel - Re: [PATCH] x86: a P4 is a P6 not an i486

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Date:	Tue, 04 Mar 2008 13:24:25 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Hugh Dickins <hugh@...itas.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: a P4 is a P6 not an i486

Ingo Molnar wrote:
> * Hugh Dickins <hugh@...itas.com> wrote:
> 
>> P4 has been coming out as CPU_FAMILY=4 instead of 6: fix MPENTIUM4 
>> typo.
> 
> thanks Hugh, applied.
> 
> 	Ingo

The patch is correct, obviously; the comment is not: the real comment 
should be:

Enable the use of P6 NOPs on Pentium 4

The CPU_FAMILY field is really the minimum CPU family that can boot the 
kernel (that's why there is no 5; we don't have any i586 family 
dependencies not encoded by CPUID bits.)

	-hpa
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