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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Subject: [PATCH 09/10] atomic.h : Add atomic64_xchg to s390
Date: Sun, 11 Feb 2007 14:17:47 -0500	[thread overview]
Message-ID: <1171221470286-git-send-email-mathieu.desnoyers@polymtl.ca> (raw)
In-Reply-To: <11712214684187-git-send-email-mathieu.desnoyers@polymtl.ca>

atomic.h : Add atomic64_xchg to s390

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

--- a/include/asm-s390/atomic.h
+++ b/include/asm-s390/atomic.h
@@ -215,6 +215,8 @@ static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v)
 	       __CSG_LOOP(v, mask, "ogr");
 }
 
+#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
+
 static __inline__ long long atomic64_cmpxchg(atomic64_t *v,
 					     long long old, long long new)
 {

  parent reply	other threads:[~2007-02-11 19:23 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-11 19:17 [PATCH 00/10] atomic.h : standardizing atomic primitives Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 01/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to alpha Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 02/10] atomic.h : Complete atomic_long operations in asm-generic Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 03/10] atomic.h : i386 type safety fix Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 04/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to ia64 Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 05/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to mips Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 06/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to parisc Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 07/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to powerpc Mathieu Desnoyers
2007-02-11 19:17 ` [PATCH 08/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to sparc64 Mathieu Desnoyers
2007-02-11 19:17 ` Mathieu Desnoyers [this message]
2007-02-11 19:17 ` [PATCH 10/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to x86_64 Mathieu Desnoyers
2007-02-12 11:35   ` Andi Kleen
2007-02-12 16:43     ` Mathieu Desnoyers
2007-02-12 16:49       ` [PATCH] atomic.h : atomic_add_unless as inline. Remove system.h atomic.h circular dependency Mathieu Desnoyers

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