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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-06-29 15:53:02 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-08-17 08:08:59 -0700
commit952111d7db02573e7165e338de8d4871fa447b21 (patch)
tree9b66fe680204959a22ef8cf72c97180de2a6643b /arch/hexagon
parentd3a024abbc438277851c510b51ec9b158821488b (diff)
downloadlinux-952111d7db02573e7165e338de8d4871fa447b21.tar.bz2
arch: Remove spin_unlock_wait() arch-specific 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 the underlying arch-specific arch_spin_unlock_wait() for all architectures providing them. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: <linux-arch@vger.kernel.org> 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> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Boqun Feng <boqun.feng@gmail.com>
Diffstat (limited to 'arch/hexagon')
-rw-r--r--arch/hexagon/include/asm/spinlock.h5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/hexagon/include/asm/spinlock.h b/arch/hexagon/include/asm/spinlock.h
index a1c55788c5d6..53a8d5885887 100644
--- a/arch/hexagon/include/asm/spinlock.h
+++ b/arch/hexagon/include/asm/spinlock.h
@@ -179,11 +179,6 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock)
*/
#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
-{
- smp_cond_load_acquire(&lock->lock, !VAL);
-}
-
#define arch_spin_is_locked(x) ((x)->lock != 0)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)