Commit a9f4793d authored May 02, 2011 by Paul E. McKenney Committed by Paul E. McKenney May 05, 2011

rcu: fix tracing bug thinko on boost-balk attribution

The rcu_initiate_boost_trace() function mis-attributed refusals to
initiate RCU priority boosting that were in fact due to its not yet
being time to boost. This patch fixes the faulty comparison.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent 90e6ac36

kernel/rcutree_plugin.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1086,7 +1086,7 @@ static void rcu_initiate_boost_trace(struct rcu_node *rnp)
		else if (rnp->gp_tasks != NULL && rnp->qsmask != 0)
		rnp->n_balk_notblocked++;
		else if (rnp->gp_tasks != NULL &&
		ULONG_CMP_GE(jiffies, rnp->boost_time))
		ULONG_CMP_LT(jiffies, rnp->boost_time))
		rnp->n_balk_notyet++;
		else
		rnp->n_balk_nos++;