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

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for non-debug builds
Date 2016-02-16 17:40 +0100
Message-ID <r2QPo-1Uv-15@gated-at.bofh.it> (permalink)
References <r2Qmm-1Is-13@gated-at.bofh.it> <r2Qmm-1Is-11@gated-at.bofh.it> <r2Qw2-1LV-11@gated-at.bofh.it>
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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

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Thread

[PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for non-debug builds Arnd Bergmann <arnd@arndb.de> - 2016-02-16 17:10 +0100
  Re: [PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for  non-debug builds Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-02-16 17:20 +0100
    Re: [PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for non-debug builds Arnd Bergmann <arnd@arndb.de> - 2016-02-16 17:40 +0100
      Re: [PATCH 2/2] ARM: mm: hide __start_rodata_section_aligned for  non-debug builds Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-02-16 17:40 +0100

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