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rcu: Remove obsolete rcu_check_callbacks() header comment 

In the deep past, rcu_check_callbacks() was only invoked if rcu_pending()
returned true.  Which was fine, but these days rcu_check_callbacks()
is invoked unconditionally.  This commit therefore removes the obsolete
sentence from the header comment.

Reported-by: Michalis Kokologiannakis <mixaskok@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2016-09-01 05:04:24 -07:00
parent b8f2ed5384
commit 5403d367a7
1 changed files with 1 additions and 2 deletions
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3
kernel/rcu/tree.c
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@ -2828,8 +2828,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
* Also schedule RCU core processing.
*
* This function must be called from hardirq context. It is normally
* invoked from the scheduling-clock interrupt. If rcu_pending returns
* false, there is no point in invoking rcu_check_callbacks().
* invoked from the scheduling-clock interrupt.
*/
void rcu_check_callbacks(int user)
{