ct_nmi_nesting
WARN_ON_ONCE(ct_nmi_nesting() != CT_NESTING_IRQ_NONIDLE);
WARN_ON_ONCE(ct_nmi_nesting());
WARN_ON_ONCE(ct_nmi_nesting() <= 0);
if (ct_nmi_nesting() != 1) {
trace_rcu_watching(TPS("--="), ct_nmi_nesting(), ct_nmi_nesting() - 2,
ct_nmi_nesting() - 2);
trace_rcu_watching(TPS("Endirq"), ct_nmi_nesting(), 0, ct_rcu_watching());
WARN_ON_ONCE(ct_nmi_nesting() < 0);
ct_nmi_nesting(),
ct_nmi_nesting() + incby, ct_rcu_watching());
ct_nmi_nesting() + incby);
long nmi_nesting = ct_nmi_nesting();
RCU_LOCKDEP_WARN(ct_nmi_nesting() !=