>>> On 06.01.16 at 17:38, <andrew.coop...@citrix.com> wrote: > On 06/01/16 16:31, Jan Beulich wrote: >>>>> On 06.01.16 at 15:44, <andrew.coop...@citrix.com> 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.
Backend? Earlier you said frontend. Nor can I see how using the evtchn/privcmd devices would preclude that. After all their purpose is to avoid having to expose hypercalls directly. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
