On 19/09/17 01:10 PM, Christian König wrote:
As far as I know we don't need #ifdefs cause there are dummy functions
when IOMMU is not compiled in.
But this patch is a NAK since it circumvents the /dev/mem restriction
when IOMMU is disabled and that is not something we can easily allow.
I raised this objection 24 hours ago and was told to go ahead with the
read/write methods anyways.
Short of making a list of mappings/allocations in the ttm layer I have
no idea how we would track this in the non-iommu case which means the
entire iova debugfs entry should have been NAK'ed in the first place.
I'm open to suggestions.
Tom
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