On Tue, 24 Nov 2020 23:05:45 +1100, Michael Ellerman wrote:
> Our Kconfig allows NUMA to be enabled without SMP, but none of
> our defconfigs use that combination. This means it can easily be
> broken inadvertently by code changes, which has happened recently.
>
> Although it's theoretically possible to have a machine with a single
> CPU and multiple memory nodes, I can't think of any real systems where
> that's the case. Even so if such a system exists, it can just run an
> SMP kernel anyway.
>
> [...]
Applied to powerpc/next.
[1/3] powerpc: Make NUMA depend on SMP
https://git.kernel.org/powerpc/c/25395cd2f8cb24ce6a5ce073c898acfb091e06cf
[2/3] powerpc: Make NUMA default y for powernv
https://git.kernel.org/powerpc/c/4c28b32b886f1489c5f510ed8e3f0c4e3dcb59f5
[3/3] powerpc: Update NUMA Kconfig description & help text
https://git.kernel.org/powerpc/c/bae80c27fc2195b9e5723d7b05c592e0874f4ba9
cheers
