[PATCH v2 5/6] powerpc/64: Add support for out-of-line static calls

[Benjamin Gray]

On Mon, 2022-09-26 at 14:54 +0000, Christophe Leroy wrote:
> > diff --git a/arch/powerpc/kernel/static_call.c
> > b/arch/powerpc/kernel/static_call.c
> > index 863a7aa24650..ecbb74e1b4d3 100644
> > --- a/arch/powerpc/kernel/static_call.c
> > +++ b/arch/powerpc/kernel/static_call.c
> > @@ -4,30 +4,108 @@
> >   
> >   #include <asm/code-patching.h>
> >   
> > +static void* ppc_function_toc(u32 *func)
> > +{
> > +#ifdef CONFIG_PPC64_ELF_ABI_V2
> 
> Can you use IS_ENABLED(CONFIG_PPC64_ELF_ABI_V2) instead ?

I tried when implementing it, but the `(u64) func` cast is an issue. I
could side step it and use `unsigned long` if that's preferable?
Otherwise I like being explicit about the size, it's a delicate
function.