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From: "David S. Miller" <davem@redhat.com>
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Date: Thu, 1 Mar 2001 12:22:36 -0800 (PST)
To: Dan Malek <dan@mvista.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        linux-kernel@vger.kernel.org, linuxppc-dev@lists.linuxppc.org
Subject: Re: The IO problem on multiple PCI busses
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Dan Malek writes:
 > It actually caused me to think of something else....I have cards
 > with multiple memory and I/O spaces (rare, but I have them).

So what?  All such bar's within mem/io space are part of unique
regions of the total MEM/IO space.

Thus you can pass non-conflicting offset/size pairs, based upon the
BAR value of interest, to mmap and everything is fine.

Later,
David S. Miller
davem@redhat.com
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