diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-01-26 15:05:56 -0500 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-27 06:30:39 -0500 |
commit | 1c8ed640d918290ddc1de5ada02ef6686a733c9f (patch) | |
tree | c824e72ff857b68d992fd7cc24810b472d030cd1 /arch/sh | |
parent | bde11efbc21ea84c3351464a422b467eaefabb9a (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')
-rw-r--r-- | arch/sh/include/asm/rwsem.h | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/sh/include/asm/rwsem.h b/arch/sh/include/asm/rwsem.h index df6f34623c54..dffc62589f79 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 | */ | ||
17 | struct 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 } |