Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core

Pull ftrace updates from Steve Rostedt:

" This patch series extends ftrace function tracing utility to be
  more dynamic for its users. It allows for data passing to the callback
  functions, as well as reading regs as if a breakpoint were to trigger
  at function entry.

  The main goal of this patch series was to allow kprobes to use ftrace
  as an optimized probe point when a probe is placed on an ftrace nop.
  With lots of help from Masami Hiramatsu, and going through lots of
  iterations, we finally came up with a good solution. "

Signed-off-by: Ingo Molnar <mingo@kernel.org>

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