From: Paul E. McKenney Date: Mon, 2 May 2011 10:46:10 +0000 (-0700) Subject: rcu: fix tracing bug thinko on boost-balk attribution X-Git-Tag: v3.0-rc1~392^2~62 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a9f4793d8900dc5dc09b3951bdcd4731290e06fe;p=karo-tx-linux.git 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 Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index 22a6a46de7c6..a21413d0581d 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -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++;