rdssp->sched_qs++;
}
#define rcu_bh_qsctr_inc(cpu)
-#define call_rcu_bh(head, rcu) call_rcu(head, rcu)
+
+/*
+ * Someone might want to pass call_rcu_bh as a function pointer.
+ * So this needs to just be a rename and not a macro function.
+ * (no parentheses)
+ */
+#define call_rcu_bh call_rcu
/**
* call_rcu_sched - Queue RCU callback for invocation after sched grace period.
struct softirq_action;
#ifdef CONFIG_NO_HZ
-DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched);
static inline void rcu_enter_nohz(void)
{
+ static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
+
smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */
__get_cpu_var(rcu_dyntick_sched).dynticks++;
- WARN_ON(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1);
+ WARN_ON_RATELIMIT(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1, &rs);
}
static inline void rcu_exit_nohz(void)
{
- smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
+ static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
+
__get_cpu_var(rcu_dyntick_sched).dynticks++;
- WARN_ON(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1));
+ smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
+ WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1),
+ &rs);
}
#else /* CONFIG_NO_HZ */