uprobes: Uprobe_mmap/munmap needs list_for_each_entry_safe()

[firefly-linux-kernel-4.4.55.git] / kernel / rcutree.h

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 7641aec3e59c3ba1f8f595ae6d2d05b0f11d6636..4d29169f212468bdc6f8dd17311ecf8bdd6850a8 100644 (file)
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -100,6 +100,7 @@ struct rcu_dynticks {
                                    /* # times non-lazy CBs posted to CPU. */
        unsigned long nonlazy_posted_snap;
                                    /* idle-period nonlazy_posted snapshot. */
+       int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */
 #endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */
 };
 
@@ -403,6 +404,8 @@ struct rcu_state {
        struct mutex barrier_mutex;             /* Guards barrier fields. */
        atomic_t barrier_cpu_count;             /* # CPUs waiting on. */
        struct completion barrier_completion;   /* Wake at barrier end. */
+       unsigned long n_barrier_done;           /* ++ at start and end of */
+                                               /*  _rcu_barrier(). */
        raw_spinlock_t fqslock;                 /* Only one task forcing */
                                                /*  quiescent states. */
        unsigned long jiffies_force_qs;         /* Time at which to invoke */
@@ -420,8 +423,13 @@ struct rcu_state {
        unsigned long gp_max;                   /* Maximum GP duration in */
                                                /*  jiffies. */
        char *name;                             /* Name of structure. */
+       struct list_head flavors;               /* List of RCU flavors. */
 };
 
+extern struct list_head rcu_struct_flavors;
+#define for_each_rcu_flavor(rsp) \
+       list_for_each_entry((rsp), &rcu_struct_flavors, flavors)
+
 /* Return values for rcu_preempt_offline_tasks(). */
 
 #define RCU_OFL_TASKS_NORM_GP  0x1             /* Tasks blocking normal */
@@ -464,25 +472,18 @@ static void rcu_stop_cpu_kthread(int cpu);
 #endif /* #ifdef CONFIG_HOTPLUG_CPU */
 static void rcu_print_detail_task_stall(struct rcu_state *rsp);
 static int rcu_print_task_stall(struct rcu_node *rnp);
-static void rcu_preempt_stall_reset(void);
 static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp);
 #ifdef CONFIG_HOTPLUG_CPU
 static int rcu_preempt_offline_tasks(struct rcu_state *rsp,
                                     struct rcu_node *rnp,
                                     struct rcu_data *rdp);
 #endif /* #ifdef CONFIG_HOTPLUG_CPU */
-static void rcu_preempt_cleanup_dead_cpu(int cpu);
 static void rcu_preempt_check_callbacks(int cpu);
-static void rcu_preempt_process_callbacks(void);
 void call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu));
 #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU)
 static void rcu_report_exp_rnp(struct rcu_state *rsp, struct rcu_node *rnp,
                               bool wake);
 #endif /* #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_TREE_PREEMPT_RCU) */
-static int rcu_preempt_pending(int cpu);
-static int rcu_preempt_cpu_has_callbacks(int cpu);
-static void __cpuinit rcu_preempt_init_percpu_data(int cpu);
-static void rcu_preempt_cleanup_dying_cpu(void);
 static void __init __rcu_init_preempt(void);
 static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags);
 static void rcu_preempt_boost_start_gp(struct rcu_node *rnp);