tools include UAPI: Sync sound/asound.h copy with the kernel sources
[linux-2.6-microblaze.git] / kernel / smpboot.c
index e416304..f6bc0bc 100644 (file)
@@ -47,7 +47,7 @@ void __init idle_thread_set_boot_cpu(void)
  *
  * Creates the thread if it does not exist.
  */
-static inline void idle_init(unsigned int cpu)
+static __always_inline void idle_init(unsigned int cpu)
 {
        struct task_struct *tsk = per_cpu(idle_threads, cpu);
 
@@ -291,7 +291,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
        unsigned int cpu;
        int ret = 0;
 
-       get_online_cpus();
+       cpus_read_lock();
        mutex_lock(&smpboot_threads_lock);
        for_each_online_cpu(cpu) {
                ret = __smpboot_create_thread(plug_thread, cpu);
@@ -304,7 +304,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread)
        list_add(&plug_thread->list, &hotplug_threads);
 out:
        mutex_unlock(&smpboot_threads_lock);
-       put_online_cpus();
+       cpus_read_unlock();
        return ret;
 }
 EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);
@@ -317,12 +317,12 @@ EXPORT_SYMBOL_GPL(smpboot_register_percpu_thread);
  */
 void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread)
 {
-       get_online_cpus();
+       cpus_read_lock();
        mutex_lock(&smpboot_threads_lock);
        list_del(&plug_thread->list);
        smpboot_destroy_threads(plug_thread);
        mutex_unlock(&smpboot_threads_lock);
-       put_online_cpus();
+       cpus_read_unlock();
 }
 EXPORT_SYMBOL_GPL(smpboot_unregister_percpu_thread);