diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/smp.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 55232ccf9cf..eac3e062250 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -7,9 +7,19 @@ */ #include <linux/errno.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/cpumask.h> extern void cpu_idle(void); +struct call_single_data { + struct list_head list; + void (*func) (void *info); + void *info; + unsigned int flags; +}; + #ifdef CONFIG_SMP #include <linux/preempt.h> @@ -53,9 +63,28 @@ extern void smp_cpus_done(unsigned int max_cpus); * Call a function on all other processors */ int smp_call_function(void(*func)(void *info), void *info, int retry, int wait); - +int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info, + int wait); int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, int retry, int wait); +void __smp_call_function_single(int cpuid, struct call_single_data *data); + +/* + * Generic and arch helpers + */ +#ifdef CONFIG_USE_GENERIC_SMP_HELPERS +void generic_smp_call_function_single_interrupt(void); +void generic_smp_call_function_interrupt(void); +void init_call_single_data(void); +void ipi_call_lock(void); +void ipi_call_unlock(void); +void ipi_call_lock_irq(void); +void ipi_call_unlock_irq(void); +#else +static inline void init_call_single_data(void) +{ +} +#endif /* * Call a function on all processors @@ -112,7 +141,9 @@ static inline void smp_send_reschedule(int cpu) { } }) #define smp_call_function_mask(mask, func, info, wait) \ (up_smp_call_function(func, info)) - +static inline void init_call_single_data(void) +{ +} #endif /* !SMP */ /* |