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-rw-r--r--arch/arc/include/asm/spinlock.h11
-rw-r--r--arch/arc/kernel/smp.c2
2 files changed, 1 insertions, 12 deletions
diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h
index 47efc8451b70..2ba04a7db621 100644
--- a/arch/arc/include/asm/spinlock.h
+++ b/arch/arc/include/asm/spinlock.h
@@ -14,7 +14,6 @@
#include <asm/barrier.h>
#define arch_spin_is_locked(x) ((x)->slock != __ARCH_SPIN_LOCK_UNLOCKED__)
-#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
#ifdef CONFIG_ARC_HAS_LLSC
@@ -410,14 +409,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
#endif
-#define arch_read_can_lock(x) ((x)->counter > 0)
-#define arch_write_can_lock(x) ((x)->counter == __ARCH_RW_LOCK_UNLOCKED__)
-
-#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 */
diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index 6df9d94a9537..efe8b4200a67 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -250,7 +250,7 @@ static void ipi_send_msg_one(int cpu, enum ipi_msg_type msg)
* and read back old value
*/
do {
- new = old = ACCESS_ONCE(*ipi_data_ptr);
+ new = old = READ_ONCE(*ipi_data_ptr);
new |= 1U << msg;
} while (cmpxchg(ipi_data_ptr, old, new) != old);