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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-ops.h | |
| parent | 8db2bc4559639680a94d4492ae4b7ce71298a74f (diff) | |
| download | blackbird-op-linux-763142d1efb56effe614d71185781796c4b83c78.tar.gz blackbird-op-linux-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-ops.h')
| -rw-r--r-- | arch/sh/include/asm/smp-ops.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/sh/include/asm/smp-ops.h b/arch/sh/include/asm/smp-ops.h index 0581b2a4c8ce..c590f76856f1 100644 --- a/arch/sh/include/asm/smp-ops.h +++ b/arch/sh/include/asm/smp-ops.h @@ -7,20 +7,27 @@ struct plat_smp_ops { 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) { - extern struct plat_smp_ops *mp_ops; /* private */ - 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 @@ -34,6 +41,11 @@ 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 */ |
