rcu: Rename qs_pending to core_needs_qs

An upcoming commit needs to invert the sense of the ->passed_quiesce
rcu_data structure field, so this commit is taking this opportunity
to clarify things a bit by renaming ->qs_pending to ->core_needs_qs.

So if !rdp->core_needs_qs, then this CPU need not concern itself with
quiescent states, in particular, it need not acquire its leaf rcu_node
structure's ->lock to check.  Otherwise, it needs to report the next
quiescent state.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/rcu/tree_trace.c b/kernel/rcu/tree_trace.c
index 6fc4c5ff3bb5..4ac25f8520d6 100644
--- a/kernel/rcu/tree_trace.c
+++ b/kernel/rcu/tree_trace.c
@@ -123,7 +123,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
                    ulong2long(rdp->completed), ulong2long(rdp->gpnum),
                    rdp->passed_quiesce,
                    rdp->rcu_qs_ctr_snap == per_cpu(rcu_qs_ctr, rdp->cpu),
-                   rdp->qs_pending);
+                   rdp->core_needs_qs);
         seq_printf(m, " dt=%d/%llx/%d df=%lu",
                    atomic_read(&rdp->dynticks->dynticks),
                    rdp->dynticks->dynticks_nesting,
@@ -361,7 +361,7 @@ static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp)
                    cpu_is_offline(rdp->cpu) ? '!' : ' ',
                    rdp->n_rcu_pending);
         seq_printf(m, "qsp=%ld rpq=%ld cbr=%ld cng=%ld ",
-                   rdp->n_rp_qs_pending,
+                   rdp->n_rp_core_needs_qs,
                    rdp->n_rp_report_qs,
                    rdp->n_rp_cb_ready,
                    rdp->n_rp_cpu_needs_gp);