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-rw-r--r--arch/x86_64/kernel/smpboot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 9705a6a384f..b7c70596979 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -775,6 +775,8 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid)
};
DECLARE_WORK(work, do_fork_idle, &c_idle);
+ lockdep_set_class(&c_idle.done.wait.lock, &waitqueue_lock_key);
+
/* allocate memory for gdts of secondary cpus. Hotplug is considered */
if (!cpu_gdt_descr[cpu].address &&
!(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) {