Re: [PATCH 1/4] asm/sections: add text/data checking functions for arches to override

From: Andrew Morton
Date: Tue Jun 23 2009 - 22:06:27 EST

On Tue, 23 Jun 2009 21:48:03 -0400 Mike Frysinger <vapier.adi@xxxxxxxxx> wrote:

> > I suppose that for completeness and consistency etc really we should have
> >
> > #define arch_is_kernel_text arch_is_kernel_text
> > #define arch_is_kernel_data arch_is_kernel_data
> >
> > in here.
> *shrug* other places that use this style dont include these defines
> for completeness


All the ones I can find do things like

#ifndef vmcore_elf_check_arch_cross
#define vmcore_elf_check_arch_cross(x) 0

> as the define muck is for the header to know about
> (arches providing their own version), not any source code -- they
> shouldnt know anything about the ifdef stuff.

Failing to do the #define will have various tricky failure modes. But
it's more a question of "what is the _right_ thing to do", then doing
that consistently.

> i dont care much either way.

Someone has to.
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