diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-06-30 01:47:44 +0300 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-08-17 18:08:58 +0300 |
| commit | d3a024abbc438277851c510b51ec9b158821488b (patch) | |
| tree | e9b6f5c09bfd6825629bcbd20f0a17371ce29533 /include/linux/spinlock.h | |
| parent | a4f08141d0b876407ca4e4b0ae1b2dec35851532 (diff) | |
| download | linux-d3a024abbc438277851c510b51ec9b158821488b.tar.xz | |
locking: Remove spin_unlock_wait() generic definitions
There is no agreed-upon definition of spin_unlock_wait()'s semantics,
and it appears that all callers could do just as well with a lock/unlock
pair. This commit therefore removes spin_unlock_wait() and related
definitions from core code.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Andrea Parri <parri.andrea@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 59248dcc6ef3..ef018a6e4985 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -130,12 +130,6 @@ do { \ #define smp_mb__before_spinlock() smp_wmb() #endif -/** - * raw_spin_unlock_wait - wait until the spinlock gets unlocked - * @lock: the spinlock in question. - */ -#define raw_spin_unlock_wait(lock) arch_spin_unlock_wait(&(lock)->raw_lock) - #ifdef CONFIG_DEBUG_SPINLOCK extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock); #define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock) @@ -369,11 +363,6 @@ static __always_inline int spin_trylock_irq(spinlock_t *lock) raw_spin_trylock_irqsave(spinlock_check(lock), flags); \ }) -static __always_inline void spin_unlock_wait(spinlock_t *lock) -{ - raw_spin_unlock_wait(&lock->rlock); -} - static __always_inline int spin_is_locked(spinlock_t *lock) { return raw_spin_is_locked(&lock->rlock); |