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-rw-r--r--arch/sparc/kernel/process.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c
index 143fe2f3c1c..2c216ffeea9 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.
*/