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smp: Implement kick_all_cpus_sync()

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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
This commit is contained in:
Thomas Gleixner
2012-05-07 17:59:48 +00:00
parent 9cd75e13de
commit f37f435f33
2 changed files with 27 additions and 0 deletions
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4
include/linux/smp.h
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@@ -81,6 +81,8 @@ void __smp_call_function_single(int cpuid, struct call_single_data *data,
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 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
return smp_call_function_single(0, func, info, wait);
}
static inline void kick_all_cpus_sync(void) { }
#endif /* !SMP */
/*