[PATCH 2/6] powerpc: Provide syscall wrapper

[Arnd Bergmann]

On Thu, Jun 16, 2022 at 7:42 AM Rohan McLure <rmclure at linux.ibm.com> wrote:
>
> As for SPU's, the issue here is that include/linux/syscalls.h only
> provides prototypes for sys_... handlers. So spu_callbacks.c must
> reference these symbols for the translation unit to compile. A solution
> may be for spu_syscall_table to be made extern linkage and populated in
> the same manner as systbl.S. I suggest we simply omit support for sycall
> wrappers with the Cell processor.

The compat syscalls should all be declared in linux/compat.h.
I think in general the C based syscall tables are better because
they enforce the presence of a declaration for each syscall, and that
helps with type safety.

         Arnd