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

On Mon, 10 Dec 2007 19:11:12 +0100
Adrian Bunk <[email protected]> wrote:

> On Sun, Dec 09, 2007 at 06:08:18PM +0100, Pierre Ossman wrote:
> > 
> > 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.
> 

Agreed. But it raises the bar quite a bit to get this ready for upstream.

> > 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.
> 

Oh? I would have guessed that everything going to and from userspace would be packed. Should probably consider myself lucky I have do deal with few such interactions. :)

Rgds
Pierre

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• References:
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    • From: Al Viro <[email protected]>
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  • Correct types for mod_devicetable.h (was: Re: m68k build failure)
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  • Re: Correct types for mod_devicetable.h (was: Re: m68k build failure)
    • From: Pierre Ossman <[email protected]>
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