[PATCH v3 20/25] rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap

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The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, and the snapshot helpers are now prefix by
"rcu_watching". Reflect that change into the storage variables for these
snapshots.

Signed-off-by: Valentin Schneider <vschneid@xxxxxxxxxx>
Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
---
 kernel/rcu/tree.h     | 2 +-
 kernel/rcu/tree_exp.h | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index f5361a7d7269c..13fdcc2aa0812 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -215,7 +215,7 @@ struct rcu_data {
 	/* 4) rcu_barrier(), OOM callbacks, and expediting. */
 	unsigned long barrier_seq_snap;	/* Snap of rcu_state.barrier_sequence. */
 	struct rcu_head barrier_head;
-	int exp_dynticks_snap;		/* Double-check need for IPI. */
+	int exp_watching_snap;		/* Double-check need for IPI. */
 
 	/* 5) Callback offloading. */
 #ifdef CONFIG_RCU_NOCB_CPU
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index 29f94bcf34033..c481e440de6bd 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -372,7 +372,7 @@ static void __sync_rcu_exp_select_node_cpus(struct rcu_exp_work *rewp)
 			if (rcu_watching_snap_in_eqs(snap))
 				mask_ofl_test |= mask;
 			else
-				rdp->exp_dynticks_snap = snap;
+				rdp->exp_watching_snap = snap;
 		}
 	}
 	mask_ofl_ipi = rnp->expmask & ~mask_ofl_test;
@@ -392,7 +392,7 @@ static void __sync_rcu_exp_select_node_cpus(struct rcu_exp_work *rewp)
 		unsigned long mask = rdp->grpmask;
 
 retry_ipi:
-		if (rcu_watching_snap_stopped_since(rdp, rdp->exp_dynticks_snap)) {
+		if (rcu_watching_snap_stopped_since(rdp, rdp->exp_watching_snap)) {
 			mask_ofl_test |= mask;
 			continue;
 		}
-- 
2.43.0





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