X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fchar%2Fsysrq.c;h=5765f672e853b5c7a0c50232f96970cf336f4789;hb=925d70d64bfeccb669c0750943585944abb28b51;hp=feb25158c8ee99c6a00363da01b4ea69c63fe4eb;hpb=c5fbc3966f48279dbebfde10248c977014aa9988;p=powerpc.git

diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index feb25158c8..5765f672e8 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -153,6 +153,21 @@ static struct sysrq_key_op sysrq_mountro_op = {
 
 /* END SYNC SYSRQ HANDLERS BLOCK */
 
+#ifdef CONFIG_DEBUG_MUTEXES
+
+static void
+sysrq_handle_showlocks(int key, struct pt_regs *pt_regs, struct tty_struct *tty)
+{
+	mutex_debug_show_all_locks();
+}
+
+static struct sysrq_key_op sysrq_showlocks_op = {
+	.handler	= sysrq_handle_showlocks,
+	.help_msg	= "show-all-locks(D)",
+	.action_msg	= "Show Locks Held",
+};
+
+#endif
 
 /* SHOW SYSRQ HANDLERS BLOCK */
 
@@ -294,7 +309,11 @@ static struct sysrq_key_op *sysrq_key_table[SYSRQ_KEY_TABLE_LENGTH] = {
 #else
 /* c */	NULL,
 #endif
+#ifdef CONFIG_DEBUG_MUTEXES
+/* d */ &sysrq_showlocks_op,
+#else
 /* d */ NULL,
+#endif
 /* e */	&sysrq_term_op,
 /* f */	&sysrq_moom_op,
 /* g */	NULL,
@@ -354,7 +373,7 @@ struct sysrq_key_op *__sysrq_get_key_op (int key) {
         return op_p;
 }
 
-void __sysrq_put_key_op (int key, struct sysrq_key_op *op_p) {
+static void __sysrq_put_key_op (int key, struct sysrq_key_op *op_p) {
         int i;
 
 	i = sysrq_key_table_key2index(key);
@@ -419,7 +438,7 @@ void handle_sysrq(int key, struct pt_regs *pt_regs, struct tty_struct *tty)
 	__handle_sysrq(key, pt_regs, tty, 1);
 }
 
-int __sysrq_swap_key_ops(int key, struct sysrq_key_op *insert_op_p,
+static int __sysrq_swap_key_ops(int key, struct sysrq_key_op *insert_op_p,
                                 struct sysrq_key_op *remove_op_p) {
 
 	int retval;