linux-kernel - Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

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Message-ID: <475EFB12.4040007@reed.com>
Date:	Tue, 11 Dec 2007 16:03:14 -0500
From:	"David P. Reed" <dpreed@...d.com>
To:	"linux-os (Dick Johnson)" <linux-os@...logic.com>
CC:	Rene Herman <rene.herman@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Paul Rolland <rol@...917.net>,
	David Newall <david@...idnewall.com>,
	"H. Peter Anvin" <hpa@...or.com>, Krzysztof Halasa <khc@...waw.pl>,
	Pavel Machek <pavel@....cz>, Andi Kleen <andi@...stfloor.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, rol@...be.net
Subject: Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64
 with MCP51 laptops

Dick - I didn't work for Don in Boca.  I did know him, having met with 
him several times when he was still alive.  I worked from 1979-1985 as a 
consultant and eventually VP R&D, at Software Arts in Cambridge, MA, and 
there was a machine we developed the first IBM Visicalc for, in a locked 
room which required NDA sign-in, with a list of authorized employees and 
consultants.  The machine was a plywood board.   It was not a 5150, yet.

Note that I did not say I worked in Boca.  Funny thing to twist my 
comments into that assertion.

Note: I am not trying to say that I know everything about the history of 
PC-compatibles, nor am I trying to prove some kind of macho thing.  But 
I do happen to have a lot of practical experience in this space.

In particular, I am trying to contribute to Linux to make it better.  
Largely because I think you guys are doing a great thing, and as a user 
of it, I think it's a good thing to give back.

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