@@ -530,11 +530,6 @@ EXPORT_SYMBOL_GPL(cpuidle_register);
#ifdef CONFIG_SMP
-static void smp_callback(void *v)
-{
- /* we already woke the CPU up, nothing more to do */
-}
-
/*
* This function gets called when a part of the kernel has a new latency
* requirement. This means we need to get all processors out of their C-state,
@@ -544,7 +539,7 @@ static void smp_callback(void *v)
static int cpuidle_latency_notify(struct notifier_block *b,
unsigned long l, void *v)
{
- smp_call_function(smp_callback, NULL, 1);
+ kick_all_cpus_sync();
return NOTIFY_OK;
}
Current latency notify callback has the same function with kick_all_cpus_sync(). Here use it directly to remove the redundant code. Signed-off-by: Chuansheng Liu <chuansheng.liu@intel.com> --- drivers/cpuidle/cpuidle.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)