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

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Date:	Mon, 17 Dec 2007 00:02:31 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Pavel Machek <pavel@....cz>
Cc:	Ingo Molnar <mingo@...e.hu>, unlisted-recipients: no@...is.elte.hu,
	To-header@...is.elte.hu, on@...is.elte.hu, "input <"@elvis.elte.hu,
	; Rene Herman <rene.herman@...access.nl>,
	Paul Rolland <rol@...917.net>,
	"H. Peter Anvin" <hpa@...or.com>, Krzysztof Halasa <khc@...waw.pl>,
	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

> /*
>  * We try to avoid enabling the hardware if it's not
>  * there, but we don't know how to test. But we do know
>  * that the PC110 is not a PCI system. So if we find any
>  * PCI devices in the machine, we don't have a PC110.
>  */

The pc110 pad device is ISA. Its an ISA bus 486 box

Alan
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