forked from luck/tmp_suning_uos_patched
intel_idle: Remove superfluous SMP fuction call
Since commit1cf4f629d9
("cpu/hotplug: Move online calls to hotplugged cpu") the CPU_ONLINE and CPU_DOWN_PREPARE notifiers are always run on the hot plugged CPU, and as of commit3b9d6da67e
("cpu/hotplug: Fix rollback during error-out in __cpu_disable()") the CPU_DOWN_FAILED notifier also runs on the hot plugged CPU. This patch converts the SMP functional calls into direct calls. smp_function_call_single() executes the function with interrupts disabled. This calling convention is not preserved, because tick_broadcast_enable() and tick_braodcast_disable() handle interrupts themselves. Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -971,8 +971,7 @@ static int cpu_hotplug_notify(struct notifier_block *n,
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case CPU_ONLINE:
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if (lapic_timer_reliable_states != LAPIC_TIMER_ALWAYS_RELIABLE)
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smp_call_function_single(hotcpu, __setup_broadcast_timer,
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(void *)true, 1);
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__setup_broadcast_timer((void *)true);
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/*
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* Some systems can hotplug a cpu at runtime after
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