[PATCH 15/15] powerpc/powernv/sriov: Make single PE mode a per-BAR setting

Oliver O'Halloran oohall at gmail.com
Fri Jul 24 13:40:00 AEST 2020


On Wed, Jul 22, 2020 at 8:06 PM Alexey Kardashevskiy <aik at ozlabs.ru> wrote:
>
> >> Well, realistically the segment size should be 8MB to make this matter
> >> (or the whole window 2GB) which does not seem to happen so it does not
> >> matter.
> >
> > I'm not sure what you mean.
>
> I mean how can we possibly hit this case, what m64_segsize would the
> platform have to trigger this. The whole check seems useless but whatever.

Yeah maybe.

IIRC some old P8 FSP systems had tiny M64 windows so it might have
been an issue there. Maybe we can get rid of it., but I'd rather just
leave the behaviour as-is for now.


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