Re: [patch] Make MMCONFIG space (extended PCI config space) a driver opt-in issue

[Martin Mares]

Hi!

> The fact is, 99% of the hardware you buy *today* has absolutely zero need 
> for extended PCI config access. In fact, I would not be surprised at all 
> if most hardware sold today generally doesn't have *any* devices that even 
> have config registers in the 0x100+ range.

Most PCI Express bridges have root complex control block capabilities
which have to reside in the extended range.

However I agree that hardware _requiring_ extended config register access
is rare.

				Have a nice fortnight
-- 
Martin `MJ' Mares                          <mj@xxxxxx>   http://mj.ucw.cz/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"Dijkstra probably hates me." -- /usr/src/linux/kernel/sched.c
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/