context_tracking, rcu: Rename ct_dynticks_nesting_cpu() into ct_nesting_cpu()

The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, and the 'dynticks' prefix can be dropped without losing any
meaning.
Suggested-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>

include/linux/context_tracking_state.h

@@ -80,7 +80,7 @@ static __always_inline long ct_nesting(void)
 	return __this_cpu_read(context_tracking.nesting);
 }
 
-static __always_inline long ct_dynticks_nesting_cpu(int cpu)
+static __always_inline long ct_nesting_cpu(int cpu)
 {
 	struct context_tracking *ct = per_cpu_ptr(&context_tracking, cpu);
 

kernel/rcu/tree_stall.h

@@ -516,7 +516,7 @@ static void print_cpu_stall_info(int cpu)
 				"!."[!delta],
 	       ticks_value, ticks_title,
 	       ct_rcu_watching_cpu(cpu) & 0xffff,
-	       ct_dynticks_nesting_cpu(cpu), ct_dynticks_nmi_nesting_cpu(cpu),
+	       ct_nesting_cpu(cpu), ct_dynticks_nmi_nesting_cpu(cpu),
 	       rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu),
 	       data_race(rcu_state.n_force_qs) - rcu_state.n_force_qs_gpstart,
 	       rcuc_starved ? buf : "",