linux-kernel - Re: PCI x86: always use conf1 to access config space below 256 bytes

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Date:	Tue, 29 Jan 2008 05:21:08 -0800
From:	Greg KH <greg@...ah.com>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Tony Camuso <tcamuso@...hat.com>,
	Grant Grundler <grundler@...isc-linux.org>,
	Loic Prylli <loic@...i.com>, Adrian Bunk <bunk@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	Jeff Garzik <jeff@...zik.org>,
	linux-pci@...ey.karlin.mff.cuni.cz, Martin Mares <mj@....cz>
Subject: Re: PCI x86: always use conf1 to access config space below 256
	bytes

On Mon, Jan 28, 2008 at 07:57:44PM -0700, Matthew Wilcox wrote:
> PCI x86: always use conf1 to access config space below 256 bytes
> 
> Thanks to Loic Prylli <loic@...i.com>, who originally proposed
> this idea.
> 
> Always using legacy configuration mechanism for the legacy config space
> and extended mechanism (mmconf) for the extended config space is
> a simple and very logical approach. It's supposed to resolve all
> known mmconf problems. It still allows per-device quirks (tweaking
> dev->cfg_size). It also allows to get rid of mmconf fallback code.
> 
> Signed-off-by: Ivan Kokshaysky <ink@...assic.park.msu.ru>
> Signed-off-by: Matthew Wilcox <willy@...ux.intel.com>

Hm, who wrote this, Ivan?

If so, Matthew, please do not strip off authorship of patches, and place
a "From:" line on the first line above the description, so it is not
lost.

thanks,

greg k-h
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