I'm looking at adding dom0 support to the pv-ops kernel. One of the
obvious things we need is to support real device drivers, and the
associated p->m translations for devices.
I'm thinking the cleanest thing to do is make x86-64's dma-mapping.h
with its dma_mapping_ops common to i386 and x86-64, so we can hook the
Xen translations in there. Presumably we'll need to do this anyway to
support VTd for 32-bit (but I don't know if that's a reasonable thing to
do anyway).
What do you think?
J
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