From 0160fb177d484367e041ac251fca591a3e49660c Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 3 Oct 2017 19:25:28 +0100 Subject: locking/arch: Remove dummy arch_{read,spin,write}_relax() implementations arch_{read,spin,write}_relax() are defined as cpu_relax() by the core code, so architectures that can't do better (i.e. most of them) don't need to bother with the dummy definitions. Signed-off-by: Will Deacon Signed-off-by: Peter Zijlstra (Intel) Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: paulmck@linux.vnet.ibm.com Link: http://lkml.kernel.org/r/1507055129-12300-3-git-send-email-will.deacon@arm.com Signed-off-by: Ingo Molnar --- arch/s390/include/asm/spinlock.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/s390/include') diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index dc9c58ed9e4c..4eca60cc81e4 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -45,6 +45,7 @@ static inline void arch_spin_relax(arch_spinlock_t *lock) { arch_lock_relax(lock->lock); } +#define arch_spin_relax arch_spin_relax static inline u32 arch_spin_lockval(int cpu) { @@ -256,10 +257,12 @@ static inline void arch_read_relax(arch_rwlock_t *rw) { arch_lock_relax(rw->owner); } +#define arch_read_relax arch_read_relax static inline void arch_write_relax(arch_rwlock_t *rw) { arch_lock_relax(rw->owner); } +#define arch_write_relax arch_write_relax #endif /* __ASM_SPINLOCK_H */ -- cgit