smp: Implement kick_all_cpus_sync()
Will replace the misnomed cpu_idle_wait() function which is copied a
gazillion times all over arch/*
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120507175652.049316594@linutronix.de
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 24360de..717fb74 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -81,6 +81,8 @@
int smp_call_function_any(const struct cpumask *mask,
smp_call_func_t func, void *info, int wait);
+void kick_all_cpus_sync(void);
+
/*
* Generic and arch helpers
*/
@@ -192,6 +194,8 @@
return smp_call_function_single(0, func, info, wait);
}
+static inline void kick_all_cpus_sync(void) { }
+
#endif /* !SMP */
/*