linux-kernel - Re: [PATCH 00/09] atomic.h : standardizing atomic primitives

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Message-Id: <1169806002.6189.94.camel@twins>
Date:	Fri, 26 Jan 2007 11:06:42 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Christoph Hellwig <hch@...radead.org>, ltt-dev@...fik.org,
	systemtap@...rces.redhat.com,
	Douglas Niehaus <niehaus@...s.ku.edu>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Mackerras <paulus@...ba.org>,
	Jeff Dike <jdike@...toit.com>
Subject: Re: [PATCH 00/09] atomic.h : standardizing atomic primitives

On Thu, 2007-01-25 at 11:15 -0500, Mathieu Desnoyers wrote:
> atomic.h : standardizing atomic primitives
> 
> It mainly adds support for missing 64 bits cmpxchg and 64 bits atomic add
> unless. Therefore, principally 64 bits architectures are targeted by these
> patches. It also adds the complete list of atomic operations on the atomic_long
> type.
> 
> These patches apply on 2.6.20-rc5-git4.

ARCH=um SUBARCH=i386

In file included from include2/asm/arch/atomic.h:257,
                 from include2/asm/atomic.h:10,
                 from /usr/src/linux-2.6-git/include/linux/file.h:9,
                 from /usr/src/linux-2.6-git/mm/fadvise.c:12:
/usr/src/linux-2.6-git/include/asm-generic/atomic.h: In function ‘atomic_long_add_unless’:
/usr/src/linux-2.6-git/include/asm-generic/atomic.h:260: warning: implicit declaration of function ‘cmpxchg’
/usr/src/linux-2.6-git/include/asm-generic/atomic.h: In function ‘atomic_long_xchg’:
/usr/src/linux-2.6-git/include/asm-generic/atomic.h:281: warning: implicit declaration of function ‘xchg’


Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
---
diff --git a/include/asm-um/atomic.h b/include/asm-um/atomic.h
index b683f10..b2766b0 100644
--- a/include/asm-um/atomic.h
+++ b/include/asm-um/atomic.h
@@ -6,6 +6,7 @@ #define __UM_ATOMIC_H
  */
 #include "linux/kernel.h"
 
+#include "asm/arch/system.h"
 #include "asm/arch/atomic.h"
 
 #endif


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