[PATCH v4 1/4] xen: move xen_setup_runstate_info and get_runstate_snapshot to drivers/xen/time.c

[Konrad Rzeszutek Wilk]

> > > > > +void xen_setup_runstate_info(int cpu)
> > > > > +{
> > > > > +	struct vcpu_register_runstate_memory_area area;
> > > > > +
> > > > > +	area.addr.v = &per_cpu(xen_runstate, cpu);
> > > > > +
> > > > > +	if (HYPERVISOR_vcpu_op(VCPUOP_register_runstate_memory_area,
> > > > > +			       cpu, &area))
> > > > > +		BUG();
> > > > 
> > > > The original code did:
> > > > 
> > > > -       rc = HYPERVISOR_vcpu_op(VCPUOP_register_runstate_memory_area, cpu,
> > > > -                               &area);
> > > > -       WARN_ON(rc && rc != -ENOSYS);
> > > > -
> > > > Any reason not to do this?
> > > 
> > > The original x86 code just BUGs out: I took that version over the ia64
> > > version.
> > 
> > Ah, I see it now. OK, then this looks good to me.
> > 
> 
> Can I add your acked-by? ;-)

How about?

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>