diff options
| author | Len Brown <len.brown@intel.com> | 2012-04-06 21:48:59 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2012-04-06 21:48:59 -0400 |
| commit | eeaab2d8af2cf1d36d7086f22e9de42d6dd2995c (patch) | |
| tree | 369b9c91a6d808944f07d2290fec6f9fe2731904 /kernel/lockdep.c | |
| parent | ee01e663373343c63e0e3d364d09f6155378dbcc (diff) | |
| parent | aaef292acf3a78d9c0bb6fb72226077d286b45d7 (diff) | |
Merge branches 'idle-fix' and 'misc' into release
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 8889f7dd7c46..ea9ee4518c35 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -4176,7 +4176,13 @@ void lockdep_rcu_suspicious(const char *file, const int line, const char *s) printk("-------------------------------\n"); printk("%s:%d %s!\n", file, line, s); printk("\nother info that might help us debug this:\n\n"); - printk("\nrcu_scheduler_active = %d, debug_locks = %d\n", rcu_scheduler_active, debug_locks); + printk("\n%srcu_scheduler_active = %d, debug_locks = %d\n", + !rcu_lockdep_current_cpu_online() + ? "RCU used illegally from offline CPU!\n" + : rcu_is_cpu_idle() + ? "RCU used illegally from idle CPU!\n" + : "", + rcu_scheduler_active, debug_locks); /* * If a CPU is in the RCU-free window in idle (ie: in the section |