void (*func)(struct rcu_head *head);
};
-#ifdef CONFIG_CLASSIC_RCU
+#if defined(CONFIG_CLASSIC_RCU)
#include <linux/rcuclassic.h>
-#else /* #ifdef CONFIG_CLASSIC_RCU */
+#elif defined(CONFIG_TREE_RCU)
+#include <linux/rcutree.h>
+#elif defined(CONFIG_PREEMPT_RCU)
#include <linux/rcupreempt.h>
-#endif /* #else #ifdef CONFIG_CLASSIC_RCU */
+#else
+#error "Unknown RCU implementation specified to kernel configuration"
+#endif /* #else #if defined(CONFIG_CLASSIC_RCU) */
#define RCU_HEAD_INIT { .next = NULL, .func = NULL }
#define RCU_HEAD(head) struct rcu_head head = RCU_HEAD_INIT
extern void wakeme_after_rcu(struct rcu_head *head);
-#define synchronize_rcu_xxx(name, func) \
-void name(void) \
-{ \
- struct rcu_synchronize rcu; \
- \
- init_completion(&rcu.completion); \
- /* Will wake me after RCU finished. */ \
- func(&rcu.head, wakeme_after_rcu); \
- /* Wait for it. */ \
- wait_for_completion(&rcu.completion); \
-}
-
/**
* synchronize_sched - block until all CPUs have exited any non-preemptive
* kernel code sequences.