Re: Correct types for mod_devicetable.h (was: Re: m68k build failure)

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On Mon, Dec 03, 2007 at 09:02:19PM +1100, Rusty Russell wrote:
> On Sunday 02 December 2007 22:22:31 Geert Uytterhoeven wrote:
> > On Sat, 1 Dec 2007, Pierre Ossman wrote:
> > > Yeah, that could work. Have a header with stuff like this:
> > >
> > > typedef u16 __attribute__((aligned(2))) aligned_u16;
> > > typedef u32 __attribute__((aligned(4))) aligned_u32;
> >
> > I gave it a try:
> 
> This seems to turn a molehill into a mountain.
> 
> We can change that mod_devicetable.h at any time; it's not supposed to be a 
> userspace API (the kernel build system doesn't count).

module-init-tools is userspace and not shipped as part of the kernel 
build system...

> So, just insert two bits of padding in sdio_device_id and insert a comment 
> saying "/* Explicit padding: works even if we're cross-compiling */".

We had one such problem in 2.6.23 and now we had a similar one in 2.6.24.

Getting the alignment issues automatically right would really be an 
improvement...

> Thanks,
> Rusty.

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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