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

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Message-ID: <20080112162336.GA19986@jurassic.park.msu.ru>
Date:	Sat, 12 Jan 2008 19:23:36 +0300
From:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Greg KH <greg@...ah.com>, Matthew Wilcox <matthew@....cx>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	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>, Tony Camuso <tcamuso@...hat.com>,
	Loic Prylli <loic@...i.com>
Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver
	opt-in

On Sat, Jan 12, 2008 at 07:46:32AM -0800, Arjan van de Ven wrote:
> Ivan Kokshaysky <ink@...assic.park.msu.ru> wrote:
> > Actually I'm strongly against Arjan's patch. First, it's based on
> > assumption that the MMCONFIG thing is sort of fundamentally broken
> > on some systems, but none of the facts we have so far does confirm
> > that. And second, I really don't like the implementation as it breaks
> > all non-x86 arches (or forces them to add a set of totally meaningless
> > PCI functions).
> 
> no it doesn't!
> Other arches need no changes.

Umm, true. I misread your patch.
But it doesn't change anything - that wasn't my main objection
anyway.

Ivan.
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