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| author | Anna-Maria Gleixner <anna-maria@linutronix.de> | 2016-11-27 00:13:31 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-12-01 23:01:36 +0100 |
| commit | 29d7bbada98e0969dd2ea159104aa55052a1c439 (patch) | |
| tree | 104af5d874c257382c97cb3c4d69fb90ef551132 /drivers/idle | |
| parent | 4e28ec3d5fe0b994fe87b2406d75d9c351ef4940 (diff) | |
| download | linux-29d7bbada98e0969dd2ea159104aa55052a1c439.tar.gz | |
intel_idle: Remove superfluous SMP fuction call
Since commit 1cf4f629d9d2 ("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 commit 3b9d6da67e11
("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>
Diffstat (limited to 'drivers/idle')
| -rw-r--r-- | drivers/idle/intel_idle.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index d6377c16b3f8..3828babfb77b 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -971,8 +971,7 @@ static int cpu_hotplug_notify(struct notifier_block *n, case CPU_ONLINE: if (lapic_timer_reliable_states != LAPIC_TIMER_ALWAYS_RELIABLE) - smp_call_function_single(hotcpu, __setup_broadcast_timer, - (void *)true, 1); + __setup_broadcast_timer((void *)true); /* * Some systems can hotplug a cpu at runtime after |