Re: The IO problem on multiple PCI busses

David S. Miller (davem@redhat.com)
Thu, 1 Mar 2001 12:22:36 -0800 (PST)


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/