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PM / Wakeup: Remove useless synchronize_rcu() call

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wakeup_source_add() adds an item into wakeup_sources list.

There is no need to call synchronize_rcu() at this point.

Its only needed in wakeup_source_remove()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Eric Dumazet 2011-05-11 22:40:45 +02:00 • committed by Rafael J. Wysocki
parent 13d53f8775
commit 13e3813656
1 changed files with 0 additions and 1 deletions
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drivers/base/power/wakeup.c
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@ -110,7 +110,6 @@ void wakeup_source_add(struct wakeup_source *ws)
spin_lock_irq(&events_lock); spin_lock_irq(&events_lock);
list_add_rcu(&ws->entry, &wakeup_sources); list_add_rcu(&ws->entry, &wakeup_sources);
spin_unlock_irq(&events_lock); spin_unlock_irq(&events_lock);
synchronize_rcu();
} }
EXPORT_SYMBOL_GPL(wakeup_source_add); EXPORT_SYMBOL_GPL(wakeup_source_add);