1 files changed, 4 insertions, 2 deletions

diff --git a/init/main.c b/init/main.c
index e59af24a0b7c..ea51770c0170 100644
--- a/init/main.c
+++ b/init/main.c
@@ -20,7 +20,6 @@
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/initrd.h>
 #include <linux/bootmem.h>
 #include <linux/acpi.h>
@@ -68,6 +67,7 @@
 #include <linux/sfi.h>
 #include <linux/shmem_fs.h>
 #include <linux/slab.h>
+#include <linux/perf_event.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -604,6 +604,8 @@ asmlinkage void __init start_kernel(void)
                                 "enabled *very* early, fixing it\n");
                 local_irq_disable();
         }
+        idr_init_cache();
+        perf_event_init();
         rcu_init();
         radix_tree_init();
         /* init some links before init_ISA_irqs() */
@@ -659,7 +661,6 @@ asmlinkage void __init start_kernel(void)
         enable_debug_pagealloc();
         kmemleak_init();
         debug_objects_mem_init();
-        idr_init_cache();
         setup_per_cpu_pageset();
         numa_policy_init();
         if (late_time_init)
@@ -883,6 +884,7 @@ static int __init kernel_init(void * unused)
         smp_prepare_cpus(setup_max_cpus);
 
         do_pre_smp_initcalls();
+        lockup_detector_init();
 
         smp_init();
         sched_init_smp();