On Thursday 02 March 2006 13:16, Jeff Garzik wrote:
> > Yes I've been thinking about adding a new sleeping interface to the IOMMU
> > that would block for new space to handle this. If I did that - would
> > libata be able to use it?
>
> No :( We map inside a spin_lock_irqsave.
Would it be easily possible to change that or is it difficult?
Also with the blocking interface there might be possible deadlock issues
because it will be essentially similar to allocating memory during IO.
But I think it's probably safe.
-Andi
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