| Message ID | 1498780894-8253-22-git-send-email-paulmck@linux.vnet.ibm.com |
|---|---|
| State | RFC |
| Delegated to: | Pablo Neira |
| Headers | show |
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index f7838ecd83c6..217ee5210c32 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -98,13 +98,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp) : "cc", "memory"); } -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - while (arch_spin_is_locked(lock)) - arch_spin_relax(lock); - smp_acquire__after_ctrl_dep(); -} - /* * Read-write spinlocks, allowing multiple readers * but only one writer.
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(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: <linux-s390@vger.kernel.org> 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> --- arch/s390/include/asm/spinlock.h | 7 ------- 1 file changed, 7 deletions(-)