From: Ingo Molnar <mingo@elte.hu>

Print all lock-classes on SysRq-D.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/char/sysrq.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN drivers/char/sysrq.c~lockdep-print-all-lock-classes-on-sysrq-d drivers/char/sysrq.c
--- a/drivers/char/sysrq.c~lockdep-print-all-lock-classes-on-sysrq-d
+++ a/drivers/char/sysrq.c
@@ -147,12 +147,13 @@ static struct sysrq_key_op sysrq_mountro
 	.enable_mask	= SYSRQ_ENABLE_REMOUNT,
 };
 
-#ifdef CONFIG_DEBUG_MUTEXES
+#ifdef CONFIG_LOCKDEP
 static void sysrq_handle_showlocks(int key, struct pt_regs *pt_regs,
 				struct tty_struct *tty)
 {
 	debug_show_all_locks();
 }
+
 static struct sysrq_key_op sysrq_showlocks_op = {
 	.handler	= sysrq_handle_showlocks,
 	.help_msg	= "show-all-locks(D)",
_