Messages in this thread Patch in this message | | | Subject | PM / Wakeup: remove useless synchronize_rcu() call | From | Eric Dumazet <> | Date | Wed, 11 May 2011 22:15:59 +0200 |
| |
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> CC: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> CC: David Miller <davem@davemloft.net>, CC: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/base/power/wakeup.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index abbbd33..84f7c7d 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -110,7 +110,6 @@ void wakeup_source_add(struct wakeup_source *ws) spin_lock_irq(&events_lock); list_add_rcu(&ws->entry, &wakeup_sources); spin_unlock_irq(&events_lock); - synchronize_rcu(); } EXPORT_SYMBOL_GPL(wakeup_source_add);
| |