tracing: Make ftrace_trace_userstack() static and conditional

[linux-2.6-microblaze.git] / kernel / irq / irqdesc.c

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 13539e1..9f8a709 100644 (file)
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -558,6 +558,7 @@ int __init early_irq_init(void)
                alloc_masks(&desc[i], node);
                raw_spin_lock_init(&desc[i].lock);
                lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
+               mutex_init(&desc[i].request_mutex);
                desc_set_defaults(i, &desc[i], node, NULL, NULL);
        }
        return arch_early_irq_init();