call_usermodehelper: simplify/fix UMH_NO_WAIT case

[mirror_ubuntu-artful-kernel.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index 1d93cd0ae4d36a8c3cc4af5ff8e195dd1d9fcfda..054a6012de99b7298d5f92c4b137be17a37335f3 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3851,6 +3851,7 @@ void __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
 {
        __wake_up_common(q, mode, 1, 0, NULL);
 }
+EXPORT_SYMBOL_GPL(__wake_up_locked);
 
 void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key)
 {
@@ -7758,9 +7759,9 @@ void normalize_rt_tasks(void)
 
 #endif /* CONFIG_MAGIC_SYSRQ */
 
-#ifdef CONFIG_IA64
+#if defined(CONFIG_IA64) || defined(CONFIG_KGDB_KDB)
 /*
- * These functions are only useful for the IA64 MCA handling.
+ * These functions are only useful for the IA64 MCA handling, or kdb.
  *
  * They can only be called when the whole system has been
  * stopped - every CPU needs to be quiescent, and no scheduling
@@ -7780,6 +7781,9 @@ struct task_struct *curr_task(int cpu)
        return cpu_curr(cpu);
 }
 
+#endif /* defined(CONFIG_IA64) || defined(CONFIG_KGDB_KDB) */
+
+#ifdef CONFIG_IA64
 /**
  * set_curr_task - set the current task for a given cpu.
  * @cpu: the processor in question.