Merge git://www.linux-watchdog.org/linux-watchdog

[pandora-kernel.git] / kernel / rcutree.h

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index b383258..5f97eab 100644 (file)
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -88,6 +88,14 @@ struct rcu_dynticks {
                                    /* Process level is worth LLONG_MAX/2. */
        int dynticks_nmi_nesting;   /* Track NMI nesting level. */
        atomic_t dynticks;          /* Even value for idle, else odd. */
+#ifdef CONFIG_NO_HZ_FULL_SYSIDLE
+       long long dynticks_idle_nesting;
+                                   /* irq/process nesting level from idle. */
+       atomic_t dynticks_idle;     /* Even value for idle, else odd. */
+                                   /*  "Idle" excludes userspace execution. */
+       unsigned long dynticks_idle_jiffies;
+                                   /* End of last non-NMI non-idle period. */
+#endif /* #ifdef CONFIG_NO_HZ_FULL_SYSIDLE */
 #ifdef CONFIG_RCU_FAST_NO_HZ
        bool all_lazy;              /* Are all CPU's CBs lazy? */
        unsigned long nonlazy_posted;
@@ -445,7 +453,7 @@ struct rcu_state {
                                                /*  for CPU stalls. */
        unsigned long gp_max;                   /* Maximum GP duration in */
                                                /*  jiffies. */
-       char *name;                             /* Name of structure. */
+       const char *name;                       /* Name of structure. */
        char abbr;                              /* Abbreviated name. */
        struct list_head flavors;               /* List of RCU flavors. */
        struct irq_work wakeup_work;            /* Postponed wakeups */
@@ -545,6 +553,15 @@ static void rcu_boot_init_nocb_percpu_data(struct rcu_data *rdp);
 static void rcu_spawn_nocb_kthreads(struct rcu_state *rsp);
 static void rcu_kick_nohz_cpu(int cpu);
 static bool init_nocb_callback_list(struct rcu_data *rdp);
+static void rcu_sysidle_enter(struct rcu_dynticks *rdtp, int irq);
+static void rcu_sysidle_exit(struct rcu_dynticks *rdtp, int irq);
+static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle,
+                                 unsigned long *maxj);
+static bool is_sysidle_rcu_state(struct rcu_state *rsp);
+static void rcu_sysidle_report_gp(struct rcu_state *rsp, int isidle,
+                                 unsigned long maxj);
+static void rcu_bind_gp_kthread(void);
+static void rcu_sysidle_init_percpu_data(struct rcu_dynticks *rdtp);
 
 #endif /* #ifndef RCU_TREE_NONCORE */