linux-kernel - Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in

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Message-ID: <alpine.LFD.1.00.0801132119520.2806@woody.linux-foundation.org>
Date:	Sun, 13 Jan 2008 21:20:35 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
cc:	tcamuso@...hat.com, Arjan van de Ven <arjan@...radead.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Greg KH <greg@...ah.com>, Matthew Wilcox <matthew@....cx>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	Jeff Garzik <jeff@...zik.org>,
	linux-pci@...ey.karlin.mff.cuni.cz,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Mares <mj@....cz>, Loic Prylli <loic@...i.com>,
	Prarit Bhargava <prarit@...hat.com>,
	"Chumbalkar, Nagananda" <Nagananda.Chumbalkar@...com>,
	"Schoeller, Patrick (Linux - Houston, TX)" <Patrick.Schoeller@...com>,
	Bhavana Nagendra <bnagendr@...hat.com>
Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver
 opt-in



On Mon, 14 Jan 2008, Alan Cox wrote:
> > 
> > As someone gently pointed out to me, you are in a position to know this,
> > so I probably am wrong.
> 
> I suspect Arjan is wrong. It might be some Intel agenda but I still see
> fairly new driver reference code that is hardcoding port accesses even
> when designed for Redmond products.

Agreed. I suspect that the likelihood of conf1 accesses going away in the 
next five years is slim to none.

			Linus
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