[PATCH tip/core/rcu 01/12] lockdep: Make print_lock() address visible

From: Paul E. McKenney
Date: Thu Aug 01 2019 - 18:37:57 EST


Security is a wonderful thing, but so is the ability to debug based on
lockdep warnings. This commit therefore makes lockdep lock addresses
visible in the clear.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
---
kernel/locking/lockdep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 4861cf8e274b..4aca3f4379d2 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -620,7 +620,7 @@ static void print_lock(struct held_lock *hlock)
return;
}

- printk(KERN_CONT "%p", hlock->instance);
+ printk(KERN_CONT "%px", hlock->instance);
print_lock_name(lock);
printk(KERN_CONT ", at: %pS\n", (void *)hlock->acquire_ip);
}
--
2.17.1