perf usage of arch/arm64/include/asm/cputype.h

[Mark Rutland]

On Mon, Jun 16, 2025 at 10:29:48AM +0100, James Clark wrote:
> I was also wondering if we could just diverge on the tools side, but in
> reality it also has to stay compatible with the definitions of all the MIDRs
> so might as well keep the whole thing identical.

I think that'd be the best option overall.

The only thing we really care about updating periodically is the set of
MIDRs, and we can factor that out to a cputype-defs.h header, and
possibly generate that too (as with sysreg-defs.h).

Mark.