On Tue, Jun 17, 2008 at 10:46:44AM +0100, David Woodhouse wrote:
> On Tue, 2008-06-17 at 11:42 +0300, Adrian Bunk wrote:
> >
> > > Why _are_ there architectures which define ARCH_SUPPORTS_AOUT and have
> > > <asm/a.out.h> but don't support binfmt_aout, anyway? How does that make
> > > sense?
> >
> > My guess would be that binfmt_aout isn't actually used there.
> >
> > The affected architectures are:
> > - h8300
> > - m32r
> > - parisc
> > - sh
> > - v850
> >
> > v850 is broken beyond repair, and I hope my patch to remove the
> > architecture will make it into 2.6.27.
> >
> > For the other 4 architectures I have Cc'ed the architecture maintainers.
>
> There's another set of architectures which have <asm/a.out.h> but don't
> define ARCH_SUPPORTS_AOUT. Including PowerPC.
>
> I think we can probably get away with removing <asm/a.out.h> from every
> architecture other than Alpha, ARM, m68k and x86, and killing
> ARCH_SUPPORTS_AOUT completely.
include/linux/a.out.h contains an #include <asm/a.out.h> and is exported
to userspace...
> Or maybe, as dhowells suggests, re-defining ARCH_SUPPORTS_AOUT to be set
> only on Alpha, ARM, m68k and x86 (so BINFMT_AOUT can depend on it).
The pattern for this stuff is to provide a HAVE_AOUT kconfig variable
that gets select'ed by these architectures.
> dwmw2
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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