[PATCH] Kprobes: preempt_disable/enable() simplification

Reorganize the preempt_disable/enable calls to eliminate the extra preempt
depth.  Changes based on Paul McKenney's review suggestions for the kprobes
RCU changeset.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index cfef426..5beda37 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -167,7 +167,7 @@
  * This routine is called either:
  * 	- under the kprobe_lock spinlock - during kprobe_[un]register()
  * 				OR
- * 	- under an rcu_read_lock() - from arch/xxx/kernel/kprobes.c
+ * 	- with preemption disabled - from arch/xxx/kernel/kprobes.c
  */
 struct kprobe __kprobes *get_kprobe(void *addr)
 {