> Srujan D. Kotikela
> On Tue, Jun 21, 2011 at 9:12 AM, Stefano Stabellini
> On Mon, 20 Jun 2011, Srujan Kotikela wrote:
> > Hi,
> > I am trying to make a hypercall from a HVM guest. I tried by
> copying all the xen-libs from Dom0 to DomU. I am getting an
> > error PRIV_CMD not found (obviously). I have searched online
> and found installing PV on HVM drivers is a way to go about
> > it. However, this won't guarantee that I can make all the
> hypercalls (correct me if I am wrong).
> > I am trying to invoke a custom hypercall (done by modifying
> xen_source in dom0). So, is it not possible to have just the
> > priv cmd interface in the DomU and invoke a hypercall with
> xen libraries copied from Dom0 (these libs have my custom
> > hypercall included)?
> What kernel version are you using?
> If you make sure CONFIG_XEN_PVHVM is enabled in your kernel
> config, you
> should have all the mechanisms in place in the kernel to issue
> At that point if you also make sure CONFIG_XENFS is enabled,
> you should
> also be able to issue hypercalls from userland.