Message-ID: <476AD01B.3070308@redhat.com>
Date: Thu, 20 Dec 2007 15:27:07 -0500
From: Tony Camuso <tcamuso@redhat.com>
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To: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
CC: Matthew Wilcox <matthew@wil.cx>, Loic Prylli <loic@myri.com>,
       Greg KH <gregkh@suse.de>, linux-kernel@vger.kernel.org,
       linux-pci@atrey.karlin.mff.cuni.cz
Subject: Re: [Fwd: Re: [PATCH 0/5]PCI: x86 MMCONFIG]
References: <476A5FD0.4010804@redhat.com> <20071220172205.GB5636@suse.de> <20071220173528.GE29690@parisc-linux.org> <476AAE99.7090301@redhat.com> <20071220181603.GF29690@parisc-linux.org> <476AB920.7040604@myri.com> <476ABCBF.8090006@redhat.com> <20071220190833.GH29690@parisc-linux.org> <20071220195021.GA427@jurassic.park.msu.ru>
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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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