From 952111d7db02573e7165e338de8d4871fa447b21 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Thu, 29 Jun 2017 15:53:02 -0700 Subject: 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 Cc: Cc: Peter Zijlstra Cc: Alan Stern Cc: Andrea Parri Cc: Linus Torvalds Acked-by: Will Deacon Acked-by: Boqun Feng --- arch/tile/include/asm/spinlock_32.h | 2 -- arch/tile/include/asm/spinlock_64.h | 2 -- 2 files changed, 4 deletions(-) (limited to 'arch/tile/include') diff --git a/arch/tile/include/asm/spinlock_32.h b/arch/tile/include/asm/spinlock_32.h index b14b1ba5bf9c..cba8ba9b8da6 100644 --- a/arch/tile/include/asm/spinlock_32.h +++ b/arch/tile/include/asm/spinlock_32.h @@ -64,8 +64,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) lock->current_ticket = old_ticket + TICKET_QUANTUM; } -void arch_spin_unlock_wait(arch_spinlock_t *lock); - /* * Read-write spinlocks, allowing multiple readers * but only one writer. diff --git a/arch/tile/include/asm/spinlock_64.h b/arch/tile/include/asm/spinlock_64.h index b9718fb4e74a..9a2c2d605752 100644 --- a/arch/tile/include/asm/spinlock_64.h +++ b/arch/tile/include/asm/spinlock_64.h @@ -58,8 +58,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) __insn_fetchadd4(&lock->lock, 1U << __ARCH_SPIN_CURRENT_SHIFT); } -void arch_spin_unlock_wait(arch_spinlock_t *lock); - void arch_spin_lock_slow(arch_spinlock_t *lock, u32 val); /* Grab the "next" ticket number and bump it atomically. -- cgit v1.2.3