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authorThomas Gleixner <tglx@linutronix.de>2011-01-26 15:05:56 -0500
committerThomas Gleixner <tglx@linutronix.de>2011-01-27 06:30:39 -0500
commit1c8ed640d918290ddc1de5ada02ef6686a733c9f (patch)
treec824e72ff857b68d992fd7cc24810b472d030cd1 /arch/sh/include/asm/rwsem.h
parentbde11efbc21ea84c3351464a422b467eaefabb9a (diff)
rwsem: Move duplicate struct rwsem declaration to linux/rwsem.h
The difference between these declarations is the data type of the count member and the lack of lockdep in some architectures/ long is equivivalent to signed long and the #ifdef guarded dep_map member does not hurt anyone. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: David Howells <dhowells@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Matt Turner <mattst88@gmail.com> Acked-by: Tony Luck <tony.luck@intel.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Acked-by: David Miller <davem@davemloft.net> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110126195833.679641914@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sh/include/asm/rwsem.h')
-rw-r--r--arch/sh/include/asm/rwsem.h12
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/sh/include/asm/rwsem.h b/arch/sh/include/asm/rwsem.h
index df6f34623c5..dffc62589f7 100644
--- a/arch/sh/include/asm/rwsem.h
+++ b/arch/sh/include/asm/rwsem.h
@@ -11,23 +11,13 @@
11#endif 11#endif
12 12
13#ifdef __KERNEL__ 13#ifdef __KERNEL__
14/* 14
15 * the semaphore definition
16 */
17struct rw_semaphore {
18 long count;
19#define RWSEM_UNLOCKED_VALUE 0x00000000 15#define RWSEM_UNLOCKED_VALUE 0x00000000
20#define RWSEM_ACTIVE_BIAS 0x00000001 16#define RWSEM_ACTIVE_BIAS 0x00000001
21#define RWSEM_ACTIVE_MASK 0x0000ffff 17#define RWSEM_ACTIVE_MASK 0x0000ffff
22#define RWSEM_WAITING_BIAS (-0x00010000) 18#define RWSEM_WAITING_BIAS (-0x00010000)
23#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS 19#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS
24#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) 20#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
25 spinlock_t wait_lock;
26 struct list_head wait_list;
27#ifdef CONFIG_DEBUG_LOCK_ALLOC
28 struct lockdep_map dep_map;
29#endif
30};
31 21
32#ifdef CONFIG_DEBUG_LOCK_ALLOC 22#ifdef CONFIG_DEBUG_LOCK_ALLOC
33# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } 23# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }