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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-01-26 20:05:56 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-27 11:30:39 (GMT) |
| commit | 1c8ed640d918290ddc1de5ada02ef6686a733c9f (patch) | |
| tree | c824e72ff857b68d992fd7cc24810b472d030cd1 /arch/x86/include/asm/rwsem.h | |
| parent | bde11efbc21ea84c3351464a422b467eaefabb9a (diff) | |
| download | linux-1c8ed640d918290ddc1de5ada02ef6686a733c9f.tar.xz | |
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/x86/include/asm/rwsem.h')
| -rw-r--r-- | arch/x86/include/asm/rwsem.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index c30206c..995cfe4 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -49,8 +49,6 @@ extern asmregparm struct rw_semaphore * rwsem_downgrade_wake(struct rw_semaphore *sem); /* - * the semaphore definition - * * The bias values and the counter type limits the number of * potential readers/writers to 32767 for 32 bits and 2147483647 * for 64 bits. @@ -68,22 +66,12 @@ extern asmregparm struct rw_semaphore * #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) -struct rw_semaphore { - long count; - spinlock_t wait_lock; - struct list_head wait_list; -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -}; - #ifdef CONFIG_DEBUG_LOCK_ALLOC # define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } #else # define __RWSEM_DEP_MAP_INIT(lockname) #endif - #define __RWSEM_INITIALIZER(name) \ { \ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \ |