X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=kernel%2Frcutree.c;h=7f3266922572b150cb62e6e50b321b6bee88fd94;hb=a3d93f709e893187d301aa5458b2248db9f22bd1;hp=97ce31579ec0664682e1b2efb792cd77e7c0030e;hpb=7df4f694356a125e4553ca35b215fd9e88e858c5;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 97ce31579ec..7f326692257 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -78,6 +78,26 @@ DEFINE_PER_CPU(struct rcu_data, rcu_data);
 struct rcu_state rcu_bh_state = RCU_STATE_INITIALIZER(rcu_bh_state);
 DEFINE_PER_CPU(struct rcu_data, rcu_bh_data);
 
+/*
+ * Increment the quiescent state counter.
+ * The counter is a bit degenerated: We do not need to know
+ * how many quiescent states passed, just if there was at least
+ * one since the start of the grace period. Thus just a flag.
+ */
+void rcu_qsctr_inc(int cpu)
+{
+	struct rcu_data *rdp = &per_cpu(rcu_data, cpu);
+	rdp->passed_quiesc = 1;
+	rdp->passed_quiesc_completed = rdp->completed;
+}
+
+void rcu_bh_qsctr_inc(int cpu)
+{
+	struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu);
+	rdp->passed_quiesc = 1;
+	rdp->passed_quiesc_completed = rdp->completed;
+}
+
 #ifdef CONFIG_NO_HZ
 DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {
 	.dynticks_nesting = 1,