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Re: [Xen-devel] [PATCH RFC 01/10] passthrough: rearrange x86 code

>>> On 21.02.18 at 22:46, <wei.liu2@xxxxxxxxxx> wrote:
> Clean up the hierarchy of the directory: put vtd, amd and io.c under
> x86. Adjust makefile and MAINTAINERS.

Considering the history in particular of VT-d, I'm not convinced of this move:
x86 and ia64 did share the bulk of the VT-d code back when ia64 was still in
the tree. Arguably the AMD IOMMU is less likely to be leveraged for some
non-x86 architecture, but I think it would better stay the way it is as well.

As to io.c - it's not currently needed by ARM, but there doesn't look to be
that many x86-specific code in there. I would prefer if the ARM folks could
judge whether that's code they're never going to use, in which case moving
it to x86/ would be fine with me.

What I don't understand here at all is how this movement of code relates
to the PV/HVM splitting.


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