workqueue: Add debugobjects support

Add debugobject support to track the life time of work_structs.

While at it, remove duplicate definition of
INIT_DELAYED_WORK_ON_STACK().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 565ebc65920e..ba43dfed353d 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -687,7 +687,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
                 .done   = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
         };
 
-        INIT_WORK(&c_idle.work, do_fork_idle);
+        INIT_WORK_ON_STACK(&c_idle.work, do_fork_idle);
 
         alternatives_smp_switch(1);
 
@@ -713,6 +713,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
 
         if (IS_ERR(c_idle.idle)) {
                 printk("failed fork for CPU %d\n", cpu);
+                destroy_work_on_stack(&c_idle.work);
                 return PTR_ERR(c_idle.idle);
         }
 
@@ -831,6 +832,7 @@ do_rest:
                 smpboot_restore_warm_reset_vector();
         }
 
+        destroy_work_on_stack(&c_idle.work);
         return boot_error;
 }