Andrew Gallatin wrote:

But if you set sgllen to 1, wouldn't that prevent DDI_DMA_FORCE_PHYSICAL
from working on sparc?  Eg, even if there is an iommu, you want to avoid
its overhead if at all possible, unless your hardware needs it for
some reason.


It would, but I've never been a fan of forcing physical access.

  Paul

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Paul Durrant
http://www.linkedin.com/in/pdurrant
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