1 files changed, 11 insertions, 5 deletions

diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index 143fe2f3c1c4..2c216ffeea90 100644
--- a/arch/sparc/kernel/process.c
+++ b/arch/sparc/kernel/process.c
@@ -83,9 +83,6 @@ void default_idle(void)
  */
 void cpu_idle(void)
 {
-        if (current->pid != 0)
-                goto out;
-
         /* endless idle loop with no priority at all */
         for (;;) {
                 if (ARCH_SUN4C_SUN4) {
@@ -126,8 +123,6 @@ void cpu_idle(void)
                 schedule();
                 check_pgt_cache();
         }
-out:
-        return;
 }
 
 #else
@@ -333,6 +328,17 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
         printk("\n");
 }
 
+void dump_stack(void)
+{
+        unsigned long *ksp;
+
+        __asm__ __volatile__("mov       %%fp, %0"
+                             : "=r" (ksp));
+        show_stack(current, ksp);
+}
+
+EXPORT_SYMBOL(dump_stack);
+
 /*
  * Note: sparc64 has a pretty intricated thread_saved_pc, check it out.
  */