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 @@ | |||
3 | 3 | ||
4 | #include <linux/bitops.h> | 4 | #include <linux/bitops.h> |
5 | #include <linux/cpumask.h> | 5 | #include <linux/cpumask.h> |
6 | #include <asm/smp-ops.h> | ||
6 | 7 | ||
7 | #ifdef CONFIG_SMP | 8 | #ifdef CONFIG_SMP |
8 | 9 | ||
9 | #include <linux/spinlock.h> | 10 | #include <linux/spinlock.h> |
10 | #include <asm/atomic.h> | 11 | #include <asm/atomic.h> |
11 | #include <asm/current.h> | 12 | #include <asm/current.h> |
13 | #include <asm/percpu.h> | ||
12 | 14 | ||
13 | #define raw_smp_processor_id() (current_thread_info()->cpu) | 15 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
14 | #define hard_smp_processor_id() plat_smp_processor_id() | ||
15 | 16 | ||
16 | /* Map from cpu id to sequential logical cpu number. */ | 17 | /* Map from cpu id to sequential logical cpu number. */ |
17 | extern int __cpu_number_map[NR_CPUS]; | 18 | extern int __cpu_number_map[NR_CPUS]; |
@@ -30,20 +31,43 @@ enum { | |||
30 | SMP_MSG_NR, /* must be last */ | 31 | SMP_MSG_NR, /* must be last */ |
31 | }; | 32 | }; |
32 | 33 | ||
34 | DECLARE_PER_CPU(int, cpu_state); | ||
35 | |||
33 | void smp_message_recv(unsigned int msg); | 36 | void smp_message_recv(unsigned int msg); |
34 | void smp_timer_broadcast(const struct cpumask *mask); | 37 | void smp_timer_broadcast(const struct cpumask *mask); |
35 | 38 | ||
36 | void local_timer_interrupt(void); | 39 | void local_timer_interrupt(void); |
37 | void local_timer_setup(unsigned int cpu); | 40 | void local_timer_setup(unsigned int cpu); |
38 | 41 | void local_timer_stop(unsigned int cpu); | |
39 | void plat_smp_setup(void); | ||
40 | void plat_prepare_cpus(unsigned int max_cpus); | ||
41 | int plat_smp_processor_id(void); | ||
42 | void plat_start_cpu(unsigned int cpu, unsigned long entry_point); | ||
43 | void plat_send_ipi(unsigned int cpu, unsigned int message); | ||
44 | 42 | ||
45 | void arch_send_call_function_single_ipi(int cpu); | 43 | void arch_send_call_function_single_ipi(int cpu); |
46 | extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); | 44 | void arch_send_call_function_ipi_mask(const struct cpumask *mask); |
45 | |||
46 | void native_play_dead(void); | ||
47 | void native_cpu_die(unsigned int cpu); | ||
48 | int native_cpu_disable(unsigned int cpu); | ||
49 | |||
50 | #ifdef CONFIG_HOTPLUG_CPU | ||
51 | void play_dead_common(void); | ||
52 | extern int __cpu_disable(void); | ||
53 | |||
54 | static inline void __cpu_die(unsigned int cpu) | ||
55 | { | ||
56 | extern struct plat_smp_ops *mp_ops; /* private */ | ||
57 | |||
58 | mp_ops->cpu_die(cpu); | ||
59 | } | ||
60 | #endif | ||
61 | |||
62 | static inline int hard_smp_processor_id(void) | ||
63 | { | ||
64 | extern struct plat_smp_ops *mp_ops; /* private */ | ||
65 | |||
66 | if (!mp_ops) | ||
67 | return 0; /* boot CPU */ | ||
68 | |||
69 | return mp_ops->smp_processor_id(); | ||
70 | } | ||
47 | 71 | ||
48 | #else | 72 | #else |
49 | 73 | ||