linux-kernel - Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80 on some AMD64x2 laptops, etc.

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Message-ID: <20071217232011.GB12647@elf.ucw.cz>
Date:	Tue, 18 Dec 2007 00:20:11 +0100
From:	Pavel Machek <pavel@....cz>
To:	Rene Herman <rene.herman@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	"David P. Reed" <dpreed@...d.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80
	on some AMD64x2 laptops, etc.

On Mon 2007-12-17 22:04:19, Rene Herman wrote:
> On 15-12-07 00:29, Alan Cox wrote:
>
>>>> ?? Just initialize bogomips to 6GHz equivalent... and we are fine
>>>> until 6GHz cpus come out.
>>> How long will that take to boot on a 386?
>> Well the dumb approach to fix that would seem to be to initialise it to
>> 	cpu->family   3 -> 50MHz 4 -> 300Mhz 5-> etc...
>
> By the way, you have a 300 MHz 486? I believe 3 -> 40, 4 -> 133, 5 -> 233 
> would be good? And I'm not really sure about the etc. P6 has a large range 
> again...

Some nexgen 5x86 boxes were pretty fast, still could not do 486... so
family 3 iirc.
									Pavel
-- 
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