Christoph Lameter wrote: > On Sat, 17 Feb 2007, Andi Kleen wrote: > > >> That was always its intention. It's not a direct interface to a hypervisor, >> but an somewhat abstracted interface to a "hypervisor driver" >> > > I thought that hypervisor driver was some binary blob that can be directly > accessed via paravirt_ops? > There are no more binary blobs being used by paravirt-ops hypervisors. I prefer the term "open hypercode layer". >> But you're right that there are currently still quite a lot of hooks >> being added. I plan to be much more strict on that in the future. >> > > And it seems that the hooks are not generic but bound to a particular > hypervisor. Should the Xen specific stuff not be in the binary blob? > Xen doesn't use a hypercode layer, and there is no way to do what they need to do without hooks in the kernel. Zach
