On Thu, 2006-04-13 at 09:40 +0300, Muli Ben-Yehuda wrote:
> On Wed, Apr 12, 2006 at 09:52:33PM -0500, Olof Johansson wrote:
>
> > iommu=off can still be used for those who don't want to deal with the
> > overhead (and don't need it for any devices).
>
> I've been pondering walking the PCI bus before deciding to enable an
> IOMMU and checking each device's DMA mask. Is this something that you
> considered and rejected, or just something no one got around to doing?
It would do the trick for airport cards in G5s.. a little bit of OF
walking to find the card.
It won't help with cardbus broadcom's but then, there is currently no G5
with a cardbus adaptor that I know of :) It's possible I suppose to get
a pci<->cardbus adapter but I suppose in that case, we can ignore it ...
Ben.
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