linux-kernel - Re: [PATCH] cross-architecture ELF clean up

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Date:	Fri, 29 Jun 2007 01:31:18 -0400
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Paul Mackerras <paulus@...ba.org>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Arch <linux-arch@...r.kernel.org>,
	Richard Henderson <rth@...ddle.net>,
	Ian Molton <spyro@....com>,
	Russell King <rmk@....linux.org.uk>,
	Haavard Skinnemoen <hskinnemoen@...el.com>,
	Aubrey Li <aubrey.li@...log.com>,
	Mikael Starvik <starvik@...s.com>,
	David Howells <dhowells@...hat.com>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Andi Kleen <ak@...e.de>, Tony Luck <tony.luck@...el.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Matthew Wilcox <matthew@....cx>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	"David S. Miller" <davem@...emloft.net>,
	Miles Bader <uclinux-v850@....nec.co.jp>,
	Chris Zankel <chris@...kel.net>
Subject: Re: [PATCH] cross-architecture ELF clean up

Paul Mackerras wrote:
>> ===================================================================
>> --- a/arch/powerpc/platforms/cell/io-workarounds.c
>> +++ b/arch/powerpc/platforms/cell/io-workarounds.c
>> @@ -9,6 +9,7 @@
>>  #undef DEBUG
>>  
>>  #include <linux/kernel.h>
>> +#include <linux/sched.h>
>>     
>
> Why is this needed?  You've added #include <linux/sched.h> to 7 files
> without explanation - and I can't see that you have removed a
> corresponding #include from any header, have you?
>   

asm-powerpc/elf.h included sched.h, and it in turn was being included by 
something else.  With the cleanups in this patch, asm-powerpc/elf.h is 
no longer being included, so io-workarounds.c needs kernel/sched.h for a 
declaration of init_mm.

Similarly with the others; they all failed to compile without linux/sched.h.

    J
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