arch/sparc/include/asm/spinlock_64.h

   1 /* spinlock.h: 64-bit Sparc spinlock support.
   2  *
   3  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
   4  */
   5
   6 #ifndef __SPARC64_SPINLOCK_H
   7 #define __SPARC64_SPINLOCK_H
   8
   9 #ifndef __ASSEMBLY__
  10
  11 #include <asm/processor.h>
  12 #include <asm/barrier.h>
  13 #include <asm/qrwlock.h>
  14 #include <asm/qspinlock.h>
  15
  16 #define arch_read_lock_flags(p, f) arch_read_lock(p)
  17 #define arch_write_lock_flags(p, f) arch_write_lock(p)
  18
  19 #define arch_spin_relax(lock)   cpu_relax()
  20 #define arch_read_relax(lock)   cpu_relax()
  21 #define arch_write_relax(lock)  cpu_relax()
  22
  23 #endif /* !(__ASSEMBLY__) */
  24
  25 #endif /* !(__SPARC64_SPINLOCK_H) */