1 files changed, 1 insertions, 10 deletions

diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 4ebbf3974381..8d484204a3ff 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -491,12 +491,7 @@ init_handler_platform (pal_min_state_area_t *ms,
         unw_init_from_interruption(&info, current, pt, sw);
         ia64_do_show_stack(&info, NULL);
 
-#ifdef CONFIG_SMP
-        /* read_trylock() would be handy... */
-        if (!tasklist_lock.write_lock)
-                read_lock(&tasklist_lock);
-#endif
-        {
+        if (read_trylock(&tasklist_lock)) {
                 struct task_struct *g, *t;
                 do_each_thread (g, t) {
                         if (t == current)
@@ -506,10 +501,6 @@ init_handler_platform (pal_min_state_area_t *ms,
                         show_stack(t, NULL);
                 } while_each_thread (g, t);
         }
-#ifdef CONFIG_SMP
-        if (!tasklist_lock.write_lock)
-                read_unlock(&tasklist_lock);
-#endif
 
         printk("\nINIT dump complete.  Please reboot now.\n");
         while (1);                      /* hang city if no debugger */