Date: Fri, 7 Dec 2007 21:45:54 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: Andi Kleen <andi@firstfloor.org>, "David P. Reed" <dpreed@reed.com>,
       linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
       Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64
 with MCP51 laptops
Message-ID: <20071207214554.1dacbc27@the-village.bc.nu>
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> > 8uS is an ISA bus transaction.
> 
> You very likely know better but just in case you're confused -- I thought it 
> was 8 cycles...

I'll double check. Its a long time since I stuck a scope on an ISA bus
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