diff options
Diffstat (limited to 'include/linux/smp.h')
| -rw-r--r-- | include/linux/smp.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 80ea3056f..75c34e87f 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -42,6 +42,12 @@ extern void smp_callin(void); extern void smp_commence(void); /* + * Call a function on all other processors + */ +extern int smp_call_function (void (*func) (void *info), void *info, + int retry, int wait); + +/* * True once the per process idle is forked */ extern int smp_threads_ready; @@ -60,7 +66,7 @@ extern volatile int smp_msg_id; * when rebooting */ #define MSG_RESCHEDULE 0x0003 /* Reschedule request from master CPU*/ -#define MSG_MTRR_CHANGE 0x0004 /* Change MTRR */ +#define MSG_CALL_FUNCTION 0x0004 /* Call function on all other CPUs */ #else @@ -68,12 +74,13 @@ extern volatile int smp_msg_id; * These macros fold the SMP functionality into a single CPU system */ -#define smp_num_cpus 1 -#define smp_processor_id() 0 -#define hard_smp_processor_id() 0 -#define smp_threads_ready 1 +#define smp_num_cpus 1 +#define smp_processor_id() 0 +#define hard_smp_processor_id() 0 +#define smp_threads_ready 1 #define kernel_lock() -#define cpu_logical_map(cpu) 0 +#define cpu_logical_map(cpu) 0 +#define smp_call_function(func,info,retry,wait) #endif #endif |