perf: Move perf_event_init() into main.c

Currently we call perf_event_init() from sched_init(). In order to
make it more obvious move it to the cannnonical location.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101117222056.093629821@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/init/main.c b/init/main.c
index 261ad7b..559e862 100644
--- a/init/main.c
+++ b/init/main.c
@@ -67,6 +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>
@@ -603,6 +604,7 @@
 				"enabled *very* early, fixing it\n");
 		local_irq_disable();
 	}
+	perf_event_init();
 	rcu_init();
 	radix_tree_init();
 	/* init some links before init_ISA_irqs() */
diff --git a/kernel/sched.c b/kernel/sched.c
index dc91a4d..605ab1b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8108,8 +8108,6 @@
 		zalloc_cpumask_var(&cpu_isolated_map, GFP_NOWAIT);
 #endif /* SMP */
 
-	perf_event_init();
-
 	scheduler_running = 1;
 }