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Diffstat (limited to 'include/linux/smp.h')
-rw-r--r--include/linux/smp.h33
1 files changed, 16 insertions, 17 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 3f9a60043a9..715196b09d6 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -21,6 +21,12 @@ struct call_single_data {
u16 priv;
};
+/* total number of cpus in this system (may exceed NR_CPUS) */
+extern unsigned int total_cpus;
+
+int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
+ int wait);
+
#ifdef CONFIG_SMP
#include <linux/preempt.h>
@@ -64,19 +70,18 @@ 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 wait);
-/* Deprecated: use smp_call_function_many() which uses a cpumask ptr. */
-int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
- int wait);
+void smp_call_function_many(const struct cpumask *mask,
+ void (*func)(void *info), void *info, bool wait);
-static inline void smp_call_function_many(const struct cpumask *mask,
- void (*func)(void *info), void *info,
- int wait)
+/* Deprecated: Use smp_call_function_many which takes a pointer to the mask. */
+static inline int
+smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
+ int wait)
{
- smp_call_function_mask(*mask, func, info, wait);
+ smp_call_function_many(&mask, func, info, wait);
+ return 0;
}
-int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
- int wait);
void __smp_call_function_single(int cpuid, struct call_single_data *data);
/*
@@ -136,16 +141,10 @@ static inline int up_smp_call_function(void (*func)(void *), void *info)
static inline void smp_send_reschedule(int cpu) { }
#define num_booting_cpus() 1
#define smp_prepare_boot_cpu() do {} while (0)
-#define smp_call_function_single(cpuid, func, info, wait) \
-({ \
- WARN_ON(cpuid != 0); \
- local_irq_disable(); \
- (func)(info); \
- local_irq_enable(); \
- 0; \
-})
#define smp_call_function_mask(mask, func, info, wait) \
(up_smp_call_function(func, info))
+#define smp_call_function_many(mask, func, info, wait) \
+ (up_smp_call_function(func, info))
static inline void init_call_single_data(void)
{
}