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sh: CPU hotplug support.

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This adds preliminary support for CPU hotplug for SH SMP systems.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2010-04-26 19:08:55 +09:00
parent 8db2bc4559
commit 763142d1ef
8 changed files with 194 additions and 6 deletions
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19
arch/sh/include/asm/smp.h
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@ -38,9 +38,26 @@ void smp_timer_broadcast(const struct cpumask *mask);
void local_timer_interrupt(void);
void local_timer_setup(unsigned int cpu);
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)
{