Re: [PATCH] Add I/O hypercalls for i386 paravirt

Avi Kivity wrote:

Since this is only for newer kernels, won't updating the driver to use a hypercall be more efficient? Or is this for existing out-of-tree drivers?

Actually, it is for in-tree drivers that we emulate but don't want to pollute, and one out of tree driver (that will hopefully be in tree soon!) that has no way to determine if making hypercalls is acceptable.

Zach
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