Re: [PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for non-debug builds

From: Arnd Bergmann
Date: Tue Feb 16 2016 - 11:35:17 EST


On Tuesday 16 February 2016 17:12:52 Ard Biesheuvel wrote:
> > +#ifdef CONFIG_DEBUG_RODATA
> > /*
> > * Without CONFIG_DEBUG_ALIGN_RODATA, __start_rodata_section_aligned will
> > * be the first section-aligned location after __start_rodata. Otherwise,
> > * it will be equal to __start_rodata.
> > */
> > __start_rodata_section_aligned = ALIGN(__start_rodata, 1 << SECTION_SHIFT);
> > +#endif
> >
>
> Does
>
> PROVIDE(__start_rodata_section_aligned = xxx);
>
> do the trick as well? If it does, it's a bit cleaner.
>

I would assume not, as the problem is that SECTION_SHIFT is a macro that
is not defined when the MMU is disabled.

Arnd