Messages in this thread | | | From | Andi Kleen <> | Subject | Re: PCI-DMA: Out of IOMMU space on x86-64 (Athlon64x2), with solution | Date | Thu, 2 Mar 2006 14:09:25 +0100 |
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On Thursday 02 March 2006 13:30, Jens Axboe wrote:
> I'd much rather prefer punting and letting the upper layer decide how to > handle it. Who knows, it may have to do something active like kicking > pending io in action at the controller level.
But how would you wait for new space to be available then?
You need at least a wait queue from the IOMMU code to hook into I suspect.
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