The arch_{spin,read,write}_relax macros are not used anywhere in the
kernel and are typically just aliases for cpu_relax().
This patch removes the unused definitions for ARM.
Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
---
arch/arm/include/asm/spinlock.h | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index 6220e9f..46a55a9 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -271,8 +271,4 @@ static inline int arch_read_trylock(arch_rwlock_t *rw)
#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
-#define arch_spin_relax(lock) cpu_relax()
-#define arch_read_relax(lock) cpu_relax()
-#define arch_write_relax(lock) cpu_relax()
-
#endif /* __ASM_SPINLOCK_H */
--
1.8.2.2
--
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