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| author |   Paul Mundt <lethal@linux-sh.org> | 2010-04-26 19:08:55 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-26 19:08:55 +0900 |
| commit | 763142d1efb56effe614d71185781796c4b83c78 (patch) | |
| tree | f886c239786fd4be028e3a45006c5cc5c1b3a3f2 /arch/sh/include/asm/smp.h | |
| parent | sh: cache secondary CPUs idle loop. (diff) | |
| download | linux-dev-763142d1efb56effe614d71185781796c4b83c78.tar.xz linux-dev-763142d1efb56effe614d71185781796c4b83c78.zip | |
sh: CPU hotplug support.
This adds preliminary support for CPU hotplug for SH SMP systems.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/smp.h')
| -rw-r--r-- | arch/sh/include/asm/smp.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/sh/include/asm/smp.h b/arch/sh/include/asm/smp.h index da5135b2579e..9070d943ddde 100644 --- a/arch/sh/include/asm/smp.h +++ b/arch/sh/include/asm/smp.h @@ -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) { |