Re: [PATCH v3 08/24] powerpc/secvar: Allow backend to populate static list of variable names

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On Thu, 2023-01-19 at 11:10 +1000, Nicholas Piggin wrote:
> > diff --git a/arch/powerpc/include/asm/secvar.h
> > b/arch/powerpc/include/asm/secvar.h
> > index ebf95386d720..c8bee1834b54 100644
> > --- a/arch/powerpc/include/asm/secvar.h
> > +++ b/arch/powerpc/include/asm/secvar.h
> > @@ -23,6 +23,10 @@ struct secvar_operations {
> >         ssize_t (*format)(char *buf);
> >         int (*max_size)(u64 *max_size);
> >         const struct attribute **config_attrs;
> > +
> > +       // NULL-terminated array of fixed variable names
> > +       // Only used if get_next() isn't provided
> > +       const char * const *var_names;
> 
> The other way you could go is provide a sysfs_init() ops call here,
> and export the add_var as a library function that backends can use.

True, I think I'll keep it as is for now but I'll have a think about
whether to do that in a later patch.

-- 
Andrew Donnellan    OzLabs, ADL Canberra
ajd@xxxxxxxxxxxxx   IBM Australia Limited




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