From: Ingo Molnar <[email protected]>
print all lock-types on SysRq-D.
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Arjan van de Ven <[email protected]>
---
drivers/char/sysrq.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux/drivers/char/sysrq.c
===================================================================
--- linux.orig/drivers/char/sysrq.c
+++ linux/drivers/char/sysrq.c
@@ -148,12 +148,14 @@ 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();
+ print_lock_types();
}
+
static struct sysrq_key_op sysrq_showlocks_op = {
.handler = sysrq_handle_showlocks,
.help_msg = "show-all-locks(D)",
-
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