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3c6296f716
The tracing_off_permanent() call is a way to disable all ring_buffers. Nothing uses it and nothing should use it, as tracing_off() and friends are better, as they disable the ring buffers related to tracing. The tracing_off_permanent() even disabled non tracing ring buffers. This is a bit drastic, and was added to handle NMIs doing outputs that could corrupt the ring buffer when only tracing used them. It is now obsolete and adds a little overhead, it should be removed. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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