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) */
26