[Xen-devel] [PATCH RFC 0/2] Fix grant map/unmap with auto-translated guests

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

This series adds proper IOMMU entries when performing grant 
mapping/unmapping inside of auto-translated guests.

In order for the guest to know if it's safe to use grant mapped pages 
for IO with hardware devices a new xen feature is introduced.

[PATCH RFC 1/2] gnttab: add IOMMU entries for grant mappings on
[PATCH RFC 2/2] xen: expose that grant table mappings update the

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