On Mon, 2017-04-10 at 13:22 +1000, Nicholas Piggin wrote: > On Sun, 09 Apr 2017 18:03:35 +1000 > > Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote: > > > On Fri, 2017-04-07 at 22:55 +1000, Nicholas Piggin wrote: > > > POWER9 hypervisors will not necessarily run guest threads together on > > > the same core at the same time, so msgsndp should not be used. > > > > Maybe we shouldn't advertise doorbells at all ? > > Possibly not. I don't know if there is a good way to switch it off > in the guest from the host with device tree currently. Might be better > to clear it early in the guest rather than test it here though?
Sure for now. Long term a separate DT entry would be good. Might be worth re-enabling one day if we have HW virtualization of geust doorbells. Cheers, Ben
