[PATCH] tracing: allow tracing of suspend/resume & hibernationcode again

[Ingo Molnar]

* Rafael J. Wysocki <rjw@xxxxxxx> wrote:

> > Q2: how to ftrace s2ram and resume?  I attempted to do it, but the 
> > trace output is always filled with "resume" related functions when 
> > it started up, which is only logical.
> 
> The tracing is disabled during suspend/resume, so you can't.

i think we could lift this restriction now that dftrace is gone for 
good - which was causing most of the trouble.

  41108eb10142e0552f2de1e4c0675b108c5f018f
  f42ac38c59e0a03d6da0c24a63fb211393f484b0

Completely untested patch below. Peter, does it work for you?

	Ingo

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