* Alan Cox. <alan@redhat.com>
*/
-#include <linux/config.h>
extern void cpu_idle(void);
/*
* Call a function on all other processors
*/
-extern int smp_call_function (void (*func) (void *info), void *info,
- int retry, int wait);
+int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
+
+int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
+ int retry, int wait);
/*
* Call a function on all processors
*/
-static inline int on_each_cpu(void (*func) (void *info), void *info,
- int retry, int wait)
-{
- int ret = 0;
-
- preempt_disable();
- ret = smp_call_function(func, info, retry, wait);
- func(info);
- preempt_enable();
- return ret;
-}
+int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
#define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */
#define MSG_ALL 0x8001
*/
#define raw_smp_processor_id() 0
#define hard_smp_processor_id() 0
-#define smp_call_function(func,info,retry,wait) ({ 0; })
-#define on_each_cpu(func,info,retry,wait) ({ func(info); 0; })
+static inline int up_smp_call_function(void)
+{
+ return 0;
+}
+#define smp_call_function(func,info,retry,wait) (up_smp_call_function())
+#define on_each_cpu(func,info,retry,wait) \
+ ({ \
+ local_irq_disable(); \
+ func(info); \
+ local_irq_enable(); \
+ 0; \
+ })
static inline void smp_send_reschedule(int cpu) { }
#define num_booting_cpus() 1
#define smp_prepare_boot_cpu() do {} while (0)
+static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
+ void *info, int retry, int wait)
+{
+ /* Disable interrupts here? */
+ func(info);
+ return 0;
+}
#endif /* !SMP */
#define put_cpu() preempt_enable()
#define put_cpu_no_resched() preempt_enable_no_resched()
+void smp_setup_processor_id(void);
+
#endif /* __LINUX_SMP_H */