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

[Zachary Amsden]

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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