Hi,
On 04/24/2018 03:18 PM, Andrii Anisov wrote:
Can you quantify what would be the cost of keeping that code around
for IOMMU-less platform?
I'm not sure I understand your question. Do you mean a number of loc of
the passthrough feature for arm?
I meant that disabling something in Xen will come with a cost. While for
a driver the maintenance is fairly minimal for anything touching core
Xen it will require some more work for any change. So I understand that
it will make Xen slightly smaller (~600 lines), but at what cost?
In other words, I am all for disabling unnecessary driver in Xen with
some caveats (see my other answers). But I am quite worry on the burden
for anything else without any real assessment.
Cheers,
--
Julien Grall
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