diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2015-09-14 09:37:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-18 09:27:29 +0200 |
| commit | 6e1e5196975fb7ecc501b3fe1075b77aea2b7839 (patch) | |
| tree | 42ff6a299f0b1d30da4d9c992ba438c883aac9ff | |
| parent | locking/Documentation/lockstat: Fix typo - lokcing -> locking (diff) | |
| download | linux-6e1e5196975fb7ecc501b3fe1075b77aea2b7839.tar.xz linux-6e1e5196975fb7ecc501b3fe1075b77aea2b7839.zip | |
locking/qrwlock: Rename ->lock to ->wait_lock
... trivial, but reads a little nicer when we name our
actual primitive 'lock'.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <Waiman.Long@hpe.com>
Link: http://lkml.kernel.org/r/1442216244-4409-1-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | include/asm-generic/qrwlock_types.h | 4 | ||||
| -rw-r--r-- | kernel/locking/qrwlock.c | 8 |
2 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-generic/qrwlock_types.h b/include/asm-generic/qrwlock_types.h index 4d76f24df518..0abc6b6062fb 100644 --- a/include/asm-generic/qrwlock_types.h +++ b/include/asm-generic/qrwlock_types.h @@ -10,12 +10,12 @@ typedef struct qrwlock { atomic_t cnts; - arch_spinlock_t lock; + arch_spinlock_t wait_lock; } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED { \ .cnts = ATOMIC_INIT(0), \ - .lock = __ARCH_SPIN_LOCK_UNLOCKED, \ + .wait_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ } #endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */ diff --git a/kernel/locking/qrwlock.c b/kernel/locking/qrwlock.c index f17a3e3b3550..fec082338668 100644 --- a/kernel/locking/qrwlock.c +++ b/kernel/locking/qrwlock.c @@ -86,7 +86,7 @@ void queued_read_lock_slowpath(struct qrwlock *lock, u32 cnts) /* * Put the reader into the wait queue */ - arch_spin_lock(&lock->lock); + arch_spin_lock(&lock->wait_lock); /* * The ACQUIRE semantics of the following spinning code ensure @@ -99,7 +99,7 @@ void queued_read_lock_slowpath(struct qrwlock *lock, u32 cnts) /* * Signal the next one in queue to become queue head */ - arch_spin_unlock(&lock->lock); + arch_spin_unlock(&lock->wait_lock); } EXPORT_SYMBOL(queued_read_lock_slowpath); @@ -112,7 +112,7 @@ void queued_write_lock_slowpath(struct qrwlock *lock) u32 cnts; /* Put the writer into the wait queue */ - arch_spin_lock(&lock->lock); + arch_spin_lock(&lock->wait_lock); /* Try to acquire the lock directly if no reader is present */ if (!atomic_read(&lock->cnts) && @@ -144,6 +144,6 @@ void queued_write_lock_slowpath(struct qrwlock *lock) cpu_relax_lowlatency(); } unlock: - arch_spin_unlock(&lock->lock); + arch_spin_unlock(&lock->wait_lock); } EXPORT_SYMBOL(queued_write_lock_slowpath); |