Re: [Qemu-devel] [PATCH] spapr: make default PHB optionnal

[Andrea Bolognani <abologna@redhat.com>]

On Wed, 2017-07-12 at 17:09 +0530, Shivaprasad G Bhat wrote:
> Setting numa_node for emulated devices is the benefit for now. On x86, I
> figured there is
> no way to set the numa_node for the root controller and the emulated
> devices sitting there
> all have numa_node set to -1. Only the devices on the pxb can have a
> sensible value specified.
> Does it mean, the emulated devices/drivers don't care about the
> numa_node they are on?
> 
> Would it be fine on PPC to disallow setting the NUMA node for the
> default PHB because that is where
> all the emulated devices sit ?

I was not aware of that limitation for x86 guests.

If that's the case, then I would say it's perfectly okay to
just disallow setting the NUMA node for the default PHB, at
least for the time being.

-- 
Andrea Bolognani / Red Hat / Virtualization