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Date: Wed, 9 Mar 2005 11:49:29 +1030
From: Alan Modra <amodra@bigpond.net.au>
To: Stephen Rothwell <sfr@canb.auug.org.au>
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Cc: ppc64-dev <linuxppc64-dev@ozlabs.org>, ppc-dev <linuxppc-dev@ozlabs.org>
Subject: Re: [RFC][PATCH] combining header files
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On Wed, Mar 09, 2005 at 12:03:43PM +1100, Stephen Rothwell wrote:
> I would just like to start a discussion about consolidating (some of) the
> ppc and ppc64 header files.

Marvellous!  In case it isn't completely obvious, you can often share
structure definitions between ppc32 and ppc64 by judicious selection of
types.  eg.

struct stays_the_same {
  long long some_64bit_var;
  int some_32bit_var;
}

struct bigger_in_64bit {
  long var_sized_by_arch;
}

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre