fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc64 / smp.h
blob42c09949526cd53f3b259b4912463a77851edbee
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/threads.h>
10 #include <asm/asi.h>
11 #include <asm/starfire.h>
12 #include <asm/spitfire.h>
14 #ifndef __ASSEMBLY__
16 #include <linux/cpumask.h>
17 #include <linux/cache.h>
19 #endif /* !(__ASSEMBLY__) */
21 #ifdef CONFIG_SMP
23 #ifndef __ASSEMBLY__
26 * Private routines/data
29 #include <asm/bitops.h>
30 #include <asm/atomic.h>
31 #include <asm/percpu.h>
33 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
34 extern cpumask_t cpu_core_map[NR_CPUS];
35 extern int sparc64_multi_core;
38 * General functions that each host system must provide.
41 extern int hard_smp_processor_id(void);
42 #define raw_smp_processor_id() (current_thread_info()->cpu)
44 extern void smp_fill_in_sib_core_maps(void);
45 extern void cpu_play_dead(void);
47 #ifdef CONFIG_HOTPLUG_CPU
48 extern int __cpu_disable(void);
49 extern void __cpu_die(unsigned int cpu);
50 #endif
52 #endif /* !(__ASSEMBLY__) */
54 #else
56 #define hard_smp_processor_id() 0
57 #define smp_fill_in_sib_core_maps() do { } while (0)
59 #endif /* !(CONFIG_SMP) */
61 #endif /* !(_SPARC64_SMP_H) */