diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-11-05 04:17:15 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-01-23 11:31:54 -0800 |
| commit | 4d4f88fa235f7f9ef8213564dc1804144332238b (patch) | |
| tree | d4f8ab52b3eca8d24978860a160a0f26b7e2f501 /kernel/locking | |
| parent | 7c6094db591b320332441e5f169156a4255b2180 (diff) | |
| download | linux-4d4f88fa235f7f9ef8213564dc1804144332238b.tar.gz linux-4d4f88fa235f7f9ef8213564dc1804144332238b.tar.xz | |
lockdep: Make RCU suspicious-access splats use pr_err
This commit switches RCU suspicious-access splats use pr_err()
instead of the current INFO printk()s. This change makes it easier
to automatically classify splats.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/lockdep.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 7c38f8f3d97b..d9a698e8458f 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -4412,13 +4412,13 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s) #endif /* #ifdef CONFIG_PROVE_RCU_REPEATEDLY */ /* Note: the following can be executed concurrently, so be careful. */ printk("\n"); - printk("===============================\n"); - printk("[ INFO: suspicious RCU usage. ]\n"); + pr_err("===============================\n"); + pr_err("[ ERR: suspicious RCU usage. ]\n"); print_kernel_ident(); - printk("-------------------------------\n"); - printk("%s:%d %s!\n", file, line, s); - printk("\nother info that might help us debug this:\n\n"); - printk("\n%srcu_scheduler_active = %d, debug_locks = %d\n", + pr_err("-------------------------------\n"); + pr_err("%s:%d %s!\n", file, line, s); + pr_err("\nother info that might help us debug this:\n\n"); + pr_err("\n%srcu_scheduler_active = %d, debug_locks = %d\n", !rcu_lockdep_current_cpu_online() ? "RCU used illegally from offline CPU!\n" : !rcu_is_watching() |