[PATCH 0/5 v4]Kernel Access to Ftrace instances.

[Divya Indi]

In addition to patches introduced by commit f45d1225adb0 "tracing: Kernel
access to Ftrace instances") we also need the following patches to reliably
access ftrace instances from other kernel modules or components.

This version addresses the review comments/suggestions received for v3.

Please review the patches that follow.

Divya Indi (5):
  tracing: Declare newly exported APIs in include/linux/trace.h
  tracing: Verify if trace array exists before destroying it.
  tracing: Adding NULL checks
  tracing: Handle the trace array ref counter in new functions
  tracing: New functions for kernel access to Ftrace instances

 include/linux/trace.h        | 10 +++++
 include/linux/trace_events.h |  3 +-
 kernel/trace/trace.c         | 88 ++++++++++++++++++++++++++++++++++++++++++--
 kernel/trace/trace.h         |  4 +-
 kernel/trace/trace_events.c  | 25 ++++++++++++-
 5 files changed, 121 insertions(+), 9 deletions(-)

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1.8.3.1