> > > > > > @@ -439,7 +540,18 @@ timebase_resync: > > > */ > > > bne cr4,clear_lock > > > > > > - /* Restore per core state */ > > > + /* > > > + * First thread in the core to wake up and its waking up > > > with > > > + * complete hypervisor state loss. Restore per core > > > hypervisor > > > + * state. > > > + */ > > > +BEGIN_FTR_SECTION > > > + ld r4,_PTCR(r1) > > > + mtspr SPRN_PTCR,r4 > > > + ld r4,_RPR(r1) > > > + mtspr SPRN_RPR,r4 > > RPR looks wrong here. This should be on POWER8 too. > > > > This has changed since v6 and not noted in the v7 comments. Why are > > you > > changing this now? > > > RPR is a per-core resource in P9. So with this patch, RPR will continue > to be restored per-subcore in P8 and will restored once per core in P9.
Ok, thanks for the explanation. Mikey
