[PATCH] lockdep: print all lock classes on SysRQ-D
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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index e31f079..ee3ca8f 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -147,12 +147,13 @@
.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)",