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authorThomas Gleixner <tglx@linutronix.de>2009-12-03 20:01:19 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:32 +0100
commitfb3a6bbc912b12347614e5742c7c61416cdb0ca0 (patch)
treef9dbf8dab23cea6f033a58672ba16abf2ae09ebd /arch/powerpc
parent0199c4e68d1f02894bdefe4b5d9e9ee4aedd8d62 (diff)
locking: Convert raw_rwlock to arch_rwlock
Not strictly necessary for -rt as -rt does not have non sleeping rwlocks, but it's odd to not have a consistent naming convention. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: linux-arch@vger.kernel.org
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/spinlock.h18
-rw-r--r--arch/powerpc/include/asm/spinlock_types.h4
-rw-r--r--arch/powerpc/lib/locks.c2
3 files changed, 12 insertions, 12 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index cdcaf6b97087..2fad2c07c593 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -97,7 +97,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
/* We only yield to the hypervisor if we are in shared processor mode */
#define SHARED_PROCESSOR (get_lppaca()->shared_proc)
extern void __spin_yield(arch_spinlock_t *lock);
-extern void __rw_yield(raw_rwlock_t *lock);
+extern void __rw_yield(arch_rwlock_t *lock);
#else /* SPLPAR || ISERIES */
#define __spin_yield(x) barrier()
#define __rw_yield(x) barrier()
@@ -181,7 +181,7 @@ extern void arch_spin_unlock_wait(arch_spinlock_t *lock);
* This returns the old value in the lock + 1,
* so we got a read lock if the return value is > 0.
*/
-static inline long arch_read_trylock(raw_rwlock_t *rw)
+static inline long arch_read_trylock(arch_rwlock_t *rw)
{
long tmp;
@@ -205,7 +205,7 @@ static inline long arch_read_trylock(raw_rwlock_t *rw)
* This returns the old value in the lock,
* so we got the write lock if the return value is 0.
*/
-static inline long arch_write_trylock(raw_rwlock_t *rw)
+static inline long arch_write_trylock(arch_rwlock_t *rw)
{
long tmp, token;
@@ -225,7 +225,7 @@ static inline long arch_write_trylock(raw_rwlock_t *rw)
return tmp;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void __raw_read_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_read_trylock(rw) > 0))
@@ -239,7 +239,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
}
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void __raw_write_lock(arch_rwlock_t *rw)
{
while (1) {
if (likely(arch_write_trylock(rw) == 0))
@@ -253,17 +253,17 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
}
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(arch_rwlock_t *rw)
{
return arch_read_trylock(rw) > 0;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int __raw_write_trylock(arch_rwlock_t *rw)
{
return arch_write_trylock(rw) == 0;
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void __raw_read_unlock(arch_rwlock_t *rw)
{
long tmp;
@@ -280,7 +280,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
: "cr0", "xer", "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void __raw_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__("# write_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
diff --git a/arch/powerpc/include/asm/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h
index f5f39d82711f..2351adc4fdc4 100644
--- a/arch/powerpc/include/asm/spinlock_types.h
+++ b/arch/powerpc/include/asm/spinlock_types.h
@@ -13,8 +13,8 @@ typedef struct {
typedef struct {
volatile signed int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
diff --git a/arch/powerpc/lib/locks.c b/arch/powerpc/lib/locks.c
index ee395e392115..58e14fba11b1 100644
--- a/arch/powerpc/lib/locks.c
+++ b/arch/powerpc/lib/locks.c
@@ -55,7 +55,7 @@ void __spin_yield(arch_spinlock_t *lock)
* This turns out to be the same for read and write locks, since
* we only know the holder if it is write-locked.
*/
-void __rw_yield(raw_rwlock_t *rw)
+void __rw_yield(arch_rwlock_t *rw)
{
int lock_value;
unsigned int holder_cpu, yield_count;