[PATCH] Improve data-dependency memory barrier example in documentation
[linux-2.6/libata-dev.git] / include / asm-sparc64 / smp.h
blob89d86ecaab2459ddf168695fb80b11ebdf787ee0
1 /* smp.h: Sparc64 specific SMP stuff.
3 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
4 */
6 #ifndef _SPARC64_SMP_H
7 #define _SPARC64_SMP_H
9 #include <linux/config.h>
10 #include <linux/threads.h>
11 #include <asm/asi.h>
12 #include <asm/starfire.h>
13 #include <asm/spitfire.h>
15 #ifndef __ASSEMBLY__
17 #include <linux/cpumask.h>
18 #include <linux/cache.h>
20 #endif /* !(__ASSEMBLY__) */
22 #ifdef CONFIG_SMP
24 #ifndef __ASSEMBLY__
27 * Private routines/data
30 #include <asm/bitops.h>
31 #include <asm/atomic.h>
33 extern cpumask_t phys_cpu_present_map;
34 #define cpu_possible_map phys_cpu_present_map
36 extern cpumask_t cpu_sibling_map[NR_CPUS];
39 * General functions that each host system must provide.
42 extern int hard_smp_processor_id(void);
43 #define raw_smp_processor_id() (current_thread_info()->cpu)
45 extern void smp_setup_cpu_possible_map(void);
47 #endif /* !(__ASSEMBLY__) */
49 #else
51 #define smp_setup_cpu_possible_map() do { } while (0)
53 #endif /* !(CONFIG_SMP) */
55 #define NO_PROC_ID 0xFF
57 #endif /* !(_SPARC64_SMP_H) */