1 #ifndef _ASM_X86_SMP_H_
2 #define _ASM_X86_SMP_H_
4 #include <linux/cpumask.h>
5 #include <linux/init.h>
7 extern cpumask_t cpu_callout_map;
9 extern int smp_num_siblings;
10 extern unsigned int num_processors;
13 void (*smp_prepare_boot_cpu)(void);
14 void (*smp_prepare_cpus)(unsigned max_cpus);
15 int (*cpu_up)(unsigned cpu);
16 void (*smp_cpus_done)(unsigned max_cpus);
18 void (*smp_send_stop)(void);
19 void (*smp_send_reschedule)(int cpu);
20 int (*smp_call_function_mask)(cpumask_t mask,
21 void (*func)(void *info), void *info,
26 extern struct smp_ops smp_ops;
28 static inline void smp_send_stop(void)
30 smp_ops.smp_send_stop();
33 static inline void smp_prepare_boot_cpu(void)
35 smp_ops.smp_prepare_boot_cpu();
38 static inline void smp_prepare_cpus(unsigned int max_cpus)
40 smp_ops.smp_prepare_cpus(max_cpus);
43 static inline void smp_cpus_done(unsigned int max_cpus)
45 smp_ops.smp_cpus_done(max_cpus);
48 static inline int __cpu_up(unsigned int cpu)
50 return smp_ops.cpu_up(cpu);
53 static inline void smp_send_reschedule(int cpu)
55 smp_ops.smp_send_reschedule(cpu);
58 static inline int smp_call_function_mask(cpumask_t mask,
59 void (*func) (void *info), void *info,
62 return smp_ops.smp_call_function_mask(mask, func, info, wait);
65 void native_smp_prepare_boot_cpu(void);
66 void native_smp_prepare_cpus(unsigned int max_cpus);
67 void native_smp_cpus_done(unsigned int max_cpus);
68 int native_cpu_up(unsigned int cpunum);
70 extern unsigned disabled_cpus;
71 extern void prefill_possible_map(void);
80 extern void smp_alloc_memory(void);
81 extern void lock_ipi_call_lock(void);
82 extern void unlock_ipi_call_lock(void);
83 #endif /* __ASSEMBLY__ */