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kernel add
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#ifndef __ASM_SH_SMP_OPS_H
#define __ASM_SH_SMP_OPS_H
struct plat_smp_ops {
void (*smp_setup)(void);
unsigned int (*smp_processor_id)(void);
void (*prepare_cpus)(unsigned int max_cpus);
void (*start_cpu)(unsigned int cpu, unsigned long entry_point);
void (*send_ipi)(unsigned int cpu, unsigned int message);
int (*cpu_disable)(unsigned int cpu);
void (*cpu_die)(unsigned int cpu);
void (*play_dead)(void);
};
extern struct plat_smp_ops *mp_ops;
extern struct plat_smp_ops shx3_smp_ops;
#ifdef CONFIG_SMP
static inline void plat_smp_setup(void)
{
BUG_ON(!mp_ops);
mp_ops->smp_setup();
}
static inline void play_dead(void)
{
mp_ops->play_dead();
}
extern void register_smp_ops(struct plat_smp_ops *ops);
#else
static inline void plat_smp_setup(void)
{
/* UP, nothing to do ... */
}
static inline void register_smp_ops(struct plat_smp_ops *ops)
{
}
static inline void play_dead(void)
{
BUG();
}
#endif /* CONFIG_SMP */
#endif /* __ASM_SH_SMP_OPS_H */
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