On Sun, Dec 09, 2007 at 06:08:18PM +0100, Pierre Ossman wrote:
> On Sun, 2 Dec 2007 12:22:31 +0100 (CET)
> Geert Uytterhoeven <[email protected]> wrote:
>
> >
> > I gave it a try:
> > - Remove existing alignment attributes from some device_id types
> > - Introduce kernel_* types with proper size and alignment for
> > cross-compilation (sample <asm/kerneltypes.h> for m68k included)
> > - Introduce BITS_PER_KERNEL_LONG, to make it clearer it applies to the target
> >
> > Apart from a cross-compile session for m68k, it's untested.
> >
>
> This still requires a bit of maintenance to set up a kerneltypes.h for every arch.
Better doing this work once than fixing similar issues again and again.
> It also means we have to be very careful that gcc's internal alignment settings matched the ones in our header.
There's nothing "gcc internal" about struct alignment - remember that
any change in struct alignment would change our userspace ABI.
> Rgds
> Pierre
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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