Re: [Xen-devel] RFC Userspace hypercalls

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 06/01/16 16:31, Jan Beulich wrote:
>>>> On 06.01.16 at 15:44, <andrew.cooper3@xxxxxxxxxx> wrote:
>> We did have an internal request for an HVM guest userspace netfront
>> driver to be able to use evntchnop calls directly.
> And this can't be accomplished using the evtchn and/or privcmd
> drivers?

It can, and I don't believe the worry about extra overhead is well
placed.  (There many areas of lower hanging fruit in this specific case).

However, a userspace backend isn't in principle a bad idea.

~Andrew

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