On Fri, 5 Nov 2021 13:50:41 +1000, Nicholas Piggin wrote:
> This function builds the cores online map with on-stack cpumasks which
> can cause high stack usage with large NR_CPUS.
>
> It is not used in any performance sensitive paths, so instead just check
> for first thread sibling.
>
>
> [...]
Applied to powerpc/next.
[1/2] powerpc: remove cpu_online_cores_map function
https://git.kernel.org/powerpc/c/b350111bf7b3f4a780d28c44f18f7c9fcbe6d11b
[2/2] powerpc: select CPUMASK_OFFSTACK if NR_CPUS >= 8192
https://git.kernel.org/powerpc/c/2eafc4748bc08c5b9b6ee0b5b65ad20b30f7d704
cheers
