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

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Date:	Sun, 9 Dec 2007 18:08:18 +0100
From:	Pierre Ossman <drzeus@...eus.cx>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Al Viro <viro@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-arch@...r.kernel.org
Subject: Re: Correct types for mod_devicetable.h (was: Re: m68k build
 failure)

On Sun, 2 Dec 2007 12:22:31 +0100 (CET)
Geert Uytterhoeven <geert@...ux-m68k.org> 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. It also means we have to be very careful that gcc's internal alignment settings matched the ones in our header.

Rgds
Pierre

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