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Date: Thu, 29 Jun 2017 17:01:22 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: netfilter-devel@...r.kernel.org, netdev@...r.kernel.org, oleg@...hat.com, akpm@...ux-foundation.org, mingo@...hat.com, dave@...olabs.net, manfred@...orfullife.com, tj@...nel.org, arnd@...db.de, linux-arch@...r.kernel.org, will.deacon@....com, peterz@...radead.org, stern@...land.harvard.edu, parri.andrea@...il.com, torvalds@...ux-foundation.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Richard Kuo <rkuo@...eaurora.org>, <linux-hexagon@...r.kernel.org> Subject: [PATCH RFC 14/26] hexagon: 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(). Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Richard Kuo <rkuo@...eaurora.org> Cc: <linux-hexagon@...r.kernel.org> Cc: Will Deacon <will.deacon@....com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Alan Stern <stern@...land.harvard.edu> Cc: Andrea Parri <parri.andrea@...il.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org> --- arch/hexagon/include/asm/spinlock.h | 5 ----- 1 file changed, 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) -- 2.5.2
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