Re: [PATCH v1 03/29] xen/asm-generic: introduce stub header cpufeature.h

[Oleksii <oleksii.kurochko@xxxxxxxxx>]

On Thu, 2023-10-19 at 11:11 +0200, Jan Beulich wrote:
> I'm not convinced an arch can get away without such a header.
> Certainly
> RISC-V and PPC can't, with all their ISA extensions that already
> exist
> (part of which will want making use of, others may simply want
> exposing
> to guests).
Yes, it looks like you are right. I forgot about a considerable amount
of ISA.

By this patch series, I tried to move headers to asm-generic to build
minimal Xen without introducing the stub cpu_nr_siblings(unsigned int
cpu) for each new arch. But taking into account that likely this header
will be re-introduced for an arch, there is probably no sense to have
it in asm-generic.

~ Oleksii