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

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Date:	Fri, 11 Jan 2008 11:40:02 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	Jeff Garzik <jeff@...zik.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>, gregkh@...e.de,
	inux-pci@...ey.karlin.mff.cuni.cz,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Martin Mares <mj@....cz>
Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver
 opt-in

On Fri, 11 Jan 2008 12:28:20 -0700
Matthew Wilcox <matthew@....cx> wrote:

> On Fri, Jan 11, 2008 at 11:02:29AM -0800, Greg KH wrote:
> > Can you send me a follow-on patch that documents this in
> > Documentation/ABI please.
> 
> Greg, if you integrate Ivan's patch, you don't need Arjan's patch.
> 

Personally I absolutely don't agree with that.
Ivan's patch is another attempt to make MMCONFIG work somewhat better,
but does not provide the explicit opt-in that I think is required at
this point; people have tried to get MMCONFIG stable for a really long time,
and failed still upto today. At least my patience is up and this needs
to be opt-in.



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