Strange, I can't see any case where print_trace_line could call the
ring_buffer_lock.
Hmm, I will see in your patch.
Ingo, I just saw one damage from the merging, trace_empty() returns
TRACE_TYPE_HANDLED. The type is wrong, it should return 1.
It's not urgent since the value is the same. Should I send a patch for
such a small error?
Thanks.
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