On 24/04/2018 12:04, Andrii Anisov wrote:
Hello Julien,
On 24.04.18 13:06, Julien Grall wrote:
I believe that passthrough should be kept as core Xen, it is small and
quite tight to the rest of Xen.
It might be.
But I would be interested to know what would be the rationale to
disable that. Do you foresee certification on IOMMU-less platform?
I would give TI Jacinto6 as an example. It is an automotive focused SoC,
has no IOMMU. BTW, I have a strong feeling that some J6 based automotive
systems with XEN already reached production stage. I'm not really sure
if they are certified, but anyway.
So, yes, I'm pretty sure IOMMU-less platforms with XEN would require
certification.
Can you quantify what would be the cost of keeping that code around for
IOMMU-less platform?
Cheers,
--
Julien Grall
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