]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - kernel/rcupdate.c
[MTD] jedec probe: drop unnecessary forward declarations
[linux-2.6-omap-h63xx.git] / kernel / rcupdate.c
index 26bb5ffe1ef14ef61824180dd6163acdc104006d..a66d4d1615f7ff978616c86a350d582cc11ff20f 100644 (file)
 #include <linux/moduleparam.h>
 #include <linux/percpu.h>
 #include <linux/notifier.h>
-#include <linux/rcupdate.h>
 #include <linux/cpu.h>
 #include <linux/mutex.h>
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key rcu_lock_key;
+struct lockdep_map rcu_lock_map =
+       STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key);
+
+EXPORT_SYMBOL_GPL(rcu_lock_map);
+#endif
+
 /* Definition for rcupdate control block. */
 static struct rcu_ctrlblk rcu_ctrlblk = {
        .cur = -300,
@@ -235,12 +242,14 @@ static void rcu_do_batch(struct rcu_data *rdp)
 
        list = rdp->donelist;
        while (list) {
-               next = rdp->donelist = list->next;
+               next = list->next;
+               prefetch(next);
                list->func(list);
                list = next;
                if (++count >= rdp->blimit)
                        break;
        }
+       rdp->donelist = list;
 
        local_irq_disable();
        rdp->qlen -= count;
@@ -556,9 +565,11 @@ static int __cpuinit rcu_cpu_notify(struct notifier_block *self,
        long cpu = (long)hcpu;
        switch (action) {
        case CPU_UP_PREPARE:
+       case CPU_UP_PREPARE_FROZEN:
                rcu_online_cpu(cpu);
                break;
        case CPU_DEAD:
+       case CPU_DEAD_FROZEN:
                rcu_offline_cpu(cpu);
                break;
        default: