From: Chris Snook <csnook@redhat.com>
To: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: akpm@linux-foundation.org, paulmck@linux.vnet.ibm.com,
Segher Boessenkool <segher@kernel.crashing.org>,
"Luck, Tony" <tony.luck@intel.com>,
Chris Friesen <cfriesen@nortel.com>,
"Robert P. J. Day" <rpjday@mindspring.com>
Subject: [PATCH 12/23] make atomic_read() and atomic_set() behavior consistent on m68knommu
Date: Mon, 13 Aug 2007 07:26:53 -0400 [thread overview]
Message-ID: <20070813112653.GL24018@shell.boston.redhat.com> (raw)
In-Reply-To: <46C03885.7000109@redhat.com>
From: Chris Snook <csnook@redhat.com>
Use volatile consistently in atomic.h on m68knommu.
Signed-off-by: Chris Snook <csnook@redhat.com>
--- linux-2.6.23-rc3-orig/include/asm-m68knommu/atomic.h 2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.23-rc3/include/asm-m68knommu/atomic.h 2007-08-13 05:47:46.000000000 -0400
@@ -15,8 +15,15 @@
typedef struct { int counter; } atomic_t;
#define ATOMIC_INIT(i) { (i) }
-#define atomic_read(v) ((v)->counter)
-#define atomic_set(v, i) (((v)->counter) = i)
+static inline int atomic_read(atomic_t *v)
+{
+ return *(volatile int *)&v->counter;
+}
+
+static inline void atomic_set(atomic_t *v, int i)
+{
+ *(volatile int *)&v->counter = i;
+}
static __inline__ void atomic_add(int i, atomic_t *v)
{
next prev parent reply other threads:[~2007-08-13 11:27 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-13 10:55 [PATCH 0/23] make atomic_read() and atomic_set() behavior consistent across all architectures Chris Snook
2007-08-13 11:04 ` [PATCH 1/23] document preferred use of volatile with atomic_t Chris Snook
2007-08-13 23:54 ` Paul E. McKenney
2007-08-14 22:45 ` Christoph Lameter
2007-08-14 22:53 ` Chris Snook
2007-08-14 22:56 ` Christoph Lameter
2007-08-14 23:25 ` Chris Snook
2007-08-14 23:28 ` Paul E. McKenney
2007-08-16 21:36 ` Segher Boessenkool
2007-08-13 11:06 ` [PATCH 2/23] make atomic_read() and atomic_set() behavior consistent on alpha Chris Snook
2007-08-13 11:09 ` [PATCH 3/23] make atomic_read() and atomic_set() behavior consistent on arm Chris Snook
2007-08-13 12:19 ` Russell King
2007-08-13 12:46 ` Chris Snook
2007-08-13 12:59 ` Russell King
2007-08-13 11:11 ` [PATCH 4/23] make atomic_read() and atomic_set() behavior consistent on avr32 Chris Snook
2007-08-13 11:12 ` [PATCH 5/23] make atomic_read() and atomic_set() behavior consistent on blackfin Chris Snook
2007-08-13 11:14 ` [PATCH 6/23] make atomic_read() and atomic_set() behavior consistent on cris Chris Snook
2007-08-13 11:15 ` [PATCH 7/23] make atomic_read() and atomic_set() behavior consistent on frv Chris Snook
2007-08-13 11:18 ` [PATCH 8/23] make atomic_read() and atomic_set() behavior consistent on h8300 Chris Snook
2007-08-13 11:21 ` [PATCH 9/23] make atomic_read() and atomic_set() behavior consistent on i386 Chris Snook
2007-08-13 11:23 ` [PATCH 10/23] make atomic_read() and atomic_set() behavior consistent on ia64 Chris Snook
2007-08-14 18:27 ` Luck, Tony
2007-08-14 18:48 ` Chris Snook
2007-08-14 22:06 ` Luck, Tony
2007-08-14 22:11 ` Christoph Lameter
2007-08-14 22:21 ` Chris Snook
2007-08-13 11:24 ` [PATCH 11/23] make atomic_read() and atomic_set() behavior consistent on m32r Chris Snook
2007-08-22 1:56 ` Hirokazu Takata
2007-08-22 5:00 ` Hirokazu Takata
2007-08-22 14:06 ` Chris Snook
2007-08-22 14:24 ` Segher Boessenkool
2007-08-22 18:20 ` Linus Torvalds
2007-08-23 19:29 ` Segher Boessenkool
2007-08-23 20:12 ` Linus Torvalds
2007-08-23 20:40 ` Valdis.Kletnieks
2007-08-23 20:05 ` David Howells
2007-08-13 11:26 ` Chris Snook [this message]
2007-08-13 11:28 ` [PATCH 13/23] make atomic_read() and atomic_set() behavior consistent on m68k Chris Snook
2007-08-13 11:29 ` [PATCH 14/23] make atomic_read() and atomic_set() behavior consistent on mips Chris Snook
2007-08-13 11:31 ` [PATCH 15/23] make atomic_read() and atomic_set() behavior consistent on parisc Chris Snook
2007-08-13 11:33 ` [PATCH 16/23] make atomic_read() and atomic_set() behavior consistent on s390 Chris Snook
2007-08-13 11:34 ` [PATCH 17/23] make atomic_read() and atomic_set() behavior consistent on sh64 Chris Snook
2007-08-13 11:36 ` [PATCH 18/23] make atomic_read() and atomic_set() behavior consistent on sh Chris Snook
2007-08-13 11:40 ` [PATCH 19/23] make atomic_read() and atomic_set() behavior consistent on sparc64 Chris Snook
2007-08-13 11:42 ` [PATCH 20/23] make atomic_read() and atomic_set() behavior consistent on sparc Chris Snook
2007-08-13 11:43 ` [PATCH 21/23] make atomic_read() and atomic_set() behavior consistent on v850 Chris Snook
2007-08-13 11:44 ` [PATCH 22/23] make atomic_read() and atomic_set() behavior consistent on x86_64 Chris Snook
2007-08-13 11:45 ` [PATCH 23/23] make atomic_read() and atomic_set() behavior consistent on xtensa Chris Snook
2007-08-14 9:42 ` [PATCH 7/23] make atomic_read() and atomic_set() behavior consistent on frv David Howells
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