kernel/arch/metag/include/asm/spinlock.h

   1 #ifndef __ASM_SPINLOCK_H
   2 #define __ASM_SPINLOCK_H
   3
   4 #ifdef CONFIG_METAG_ATOMICITY_LOCK1
   5 #include <asm/spinlock_lock1.h>
   6 #else
   7 #include <asm/spinlock_lnkget.h>
   8 #endif
   9
  10 #define arch_spin_unlock_wait(lock) \
  11         do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
  12
  13 #define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
  14
  15 #define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
  16 #define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
  17
  18 #define arch_spin_relax(lock)   cpu_relax()
  19 #define arch_read_relax(lock)   cpu_relax()
  20 #define arch_write_relax(lock)  cpu_relax()
  21
  22 #endif /* __ASM_SPINLOCK_H */