diff options
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b421b0ea9112..bffde630c4e2 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1495,6 +1495,13 @@ static int trace_recursive_lock(void) if (unlikely(current->trace_recursion & (1 << level))) { /* Disable all tracing before we do anything else */ tracing_off_permanent(); + + printk_once(KERN_WARNING "Tracing recursion: " + "HC[%lu]:SC[%lu]:NMI[%lu]\n", + hardirq_count() >> HARDIRQ_SHIFT, + softirq_count() >> SOFTIRQ_SHIFT, + in_nmi()); + WARN_ON_ONCE(1); return -1; } |