Merge tag 'trace-4.1-tracefs' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracefs from Steven Rostedt:
 "This adds the new tracefs file system.

  This has been in linux-next for more than one release, as I had it
  ready for the 4.0 merge window, but a last minute thing that needed to
  go into Linux first had to be done.  That was that perf hard coded the
  file system number when reading /sys/kernel/debugfs/tracing directory
  making sure that the path had the debugfs mount # before it would
  parse the tracing file.  This broke other use cases of perf, and the
  check is removed.

  Now when mounting /sys/kernel/debug, tracefs is automatically mounted
  in /sys/kernel/debug/tracing such that old tools will still see that
  path as expected.  But now system admins can mount tracefs directly
  and not need to mount debugfs, which can expose security issues.  A
  new directory is created when tracefs is configured such that system
  admins can now mount it separately (/sys/kernel/tracing)"

* tag 'trace-4.1-tracefs' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Have mkdir and rmdir be part of tracefs
  tracefs: Add directory /sys/kernel/tracing
  tracing: Automatically mount tracefs on debugfs/tracing
  tracing: Convert the tracing facility over to use tracefs
  tracefs: Add new tracefs file system
  tracing: Create cmdline tracer options on tracing fs init
  tracing: Only create tracer options files if directory exists
  debugfs: Provide a file creation function that also takes an initial size

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