linux-kernel - Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]

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Message-ID: <476AD01B.3070308@redhat.com>
Date:	Thu, 20 Dec 2007 15:27:07 -0500
From:	Tony Camuso <tcamuso@...hat.com>
To:	Ivan Kokshaysky <ink@...assic.park.msu.ru>
CC:	Matthew Wilcox <matthew@....cx>, Loic Prylli <loic@...i.com>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]

Ivan Kokshaysky wrote:

> Use type 1 just for the first 64 bytes and tg3 will be happy. All we need
> is to avoid touching BARs with mmconfig.
> 
> Ivan.

Re-thinking this ...

The problem I see with this approach is that it does not help devices
that are mmconfig-unfriendly and will not work above the 64-byte offset.

So you will be able to configure the BARS of such a device, but not be
able to do much of anything else.

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