Re: [PATCH v2 1/4] RISC-V: Add RISC-V specific arch_match_cpu_phys_id

[Christoph Hellwig]

On Wed, Apr 10, 2019 at 04:04:40PM -0700, Atish Patra wrote:
> OF/DT core has a hook for architecture specific logical cpuid to hartid
> mapping. By implementing this, we can pass the logical cpu id to cpu
> node parsing functions.

But that also means we must pass it that way.  So as-is this would
break existing setups, wouldn't it?