C++ (Cpp) RCU_STATE_INITIALIZER Exemples

Exemple #1

		NUM_RCU_LVL_1, \
		NUM_RCU_LVL_2, \
		NUM_RCU_LVL_3, \
		NUM_RCU_LVL_4,  \
	}, \
	.fqs_state = RCU_GP_IDLE, \
	.gpnum = -300, \
	.completed = -300, \
	.onofflock = __RAW_SPIN_LOCK_UNLOCKED(&structname##_state.onofflock), \
	.fqslock = __RAW_SPIN_LOCK_UNLOCKED(&structname##_state.fqslock), \
	.n_force_qs = 0, \
	.n_force_qs_ngp = 0, \
	.name = #structname, \
}

struct rcu_state rcu_sched_state = RCU_STATE_INITIALIZER(rcu_sched);
DEFINE_PER_CPU(struct rcu_data, rcu_sched_data);

struct rcu_state rcu_bh_state = RCU_STATE_INITIALIZER(rcu_bh);
DEFINE_PER_CPU(struct rcu_data, rcu_bh_data);

static struct rcu_state *rcu_state;

int rcu_scheduler_active __read_mostly;
EXPORT_SYMBOL_GPL(rcu_scheduler_active);

static int rcu_scheduler_fully_active __read_mostly;

#ifdef CONFIG_RCU_BOOST

static DEFINE_PER_CPU(struct task_struct *, rcu_cpu_kthread_task);

Exemple #2

Fichier : rcutree.c Projet : melgurth/i780-kernel

	.levelcnt = { \
		NUM_RCU_LVL_0,  /* root of hierarchy. */ \
		NUM_RCU_LVL_1, \
		NUM_RCU_LVL_2, \
		NUM_RCU_LVL_3, /* == MAX_RCU_LVLS */ \
	}, \
	.signaled = RCU_SIGNAL_INIT, \
	.gpnum = -300, \
	.completed = -300, \
	.onofflock = __SPIN_LOCK_UNLOCKED(&name.onofflock), \
	.fqslock = __SPIN_LOCK_UNLOCKED(&name.fqslock), \
	.n_force_qs = 0, \
	.n_force_qs_ngp = 0, \
}

struct rcu_state rcu_state = RCU_STATE_INITIALIZER(rcu_state);
DEFINE_PER_CPU(struct rcu_data, rcu_data);

struct rcu_state rcu_bh_state = RCU_STATE_INITIALIZER(rcu_bh_state);
DEFINE_PER_CPU(struct rcu_data, rcu_bh_data);

#ifdef CONFIG_NO_HZ
DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {
	.dynticks_nesting = 1,
	.dynticks = 1,
};
#endif /* #ifdef CONFIG_NO_HZ */

static int blimit = 10;		/* Maximum callbacks per softirq. */
static int qhimark = 10000;	/* If this many pending, ignore blimit. */
static int qlowmark = 100;	/* Once only this many pending, use blimit. */