diff options
Diffstat (limited to 'arch/sh/include/asm/smp.h')
| -rw-r--r-- | arch/sh/include/asm/smp.h | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index 53ef26ced75..9070d943ddd 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -3,15 +3,16 @@ #include <linux/bitops.h> #include <linux/cpumask.h> +#include <asm/smp-ops.h> #ifdef CONFIG_SMP #include <linux/spinlock.h> #include <asm/atomic.h> #include <asm/current.h> +#include <asm/percpu.h> #define raw_smp_processor_id() (current_thread_info()->cpu) -#define hard_smp_processor_id() plat_smp_processor_id() /* Map from cpu id to sequential logical cpu number. */ extern int __cpu_number_map[NR_CPUS]; @@ -30,20 +31,43 @@ enum { SMP_MSG_NR, /* must be last */ }; +DECLARE_PER_CPU(int, cpu_state); + void smp_message_recv(unsigned int msg); void smp_timer_broadcast(const struct cpumask *mask); void local_timer_interrupt(void); void local_timer_setup(unsigned int cpu); - -void plat_smp_setup(void); -void plat_prepare_cpus(unsigned int max_cpus); -int plat_smp_processor_id(void); -void plat_start_cpu(unsigned int cpu, unsigned long entry_point); -void plat_send_ipi(unsigned int cpu, unsigned int message); +void local_timer_stop(unsigned int cpu); void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +void arch_send_call_function_ipi_mask(const struct cpumask *mask); + +void native_play_dead(void); +void native_cpu_die(unsigned int cpu); +int native_cpu_disable(unsigned int cpu); + +#ifdef CONFIG_HOTPLUG_CPU +void play_dead_common(void); +extern int __cpu_disable(void); + +static inline void __cpu_die(unsigned int cpu) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + mp_ops->cpu_die(cpu); +} +#endif + +static inline int hard_smp_processor_id(void) +{ + extern struct plat_smp_ops *mp_ops; /* private */ + + if (!mp_ops) + return 0; /* boot CPU */ + + return mp_ops->smp_processor_id(); +} #else |