linux-kernel - Re: [PATCH] m68k: include asm/cmpxchg.h in our m68k atomic.h

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Date:	Sat, 31 Mar 2012 20:28:19 +0100
From:	David Howells <dhowells@...hat.com>
To:	gerg@...inux.org
Cc:	dhowells@...hat.com, linux-m68k@...r.kernel.org,
	uclinux-dev@...inux.org, geert@...ux-m68k.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] m68k: include asm/cmpxchg.h in our m68k atomic.h

<gerg@...inux.org> wrote:

> From: Greg Ungerer <gerg@...inux.org>
> 
> After commit 9ffc93f203c18a70623f21950f1dd473c9ec48cd ("Remove all
> 
>   CC      init/main.o
> In file included from include/linux/mm.h:15:0,
>                  from include/linux/ring_buffer.h:5,
>                  from include/linux/ftrace_event.h:4,
>                  from include/trace/syscall.h:6,
>                  from include/linux/syscalls.h:78,
>                  from init/main.c:16:
> include/linux/debug_locks.h: In function ‘__debug_locks_off’:
> include/linux/debug_locks.h:16:2: error: implicit declaration of function ‘xchg’
> 
> There is no indirect inclusions of the new asm/cmpxchg.h for m68k here.
> Looking at most other architectures they include asm/cmpxchg.h in their
> asm/atomic.h. M68k currently does not do this. Including this in atomic.h
> fixes all m68k build problems.
> 
> Signed-off-by: Greg Ungerer <gerg@...inux.org>

Acked-by: David Howells <dhowells@...hat.com>
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