[PATCH 0/4] ftrace: One more check on x86 and some small fixes

[Petr Mladek]

1st patch adds one more paranoid check of the modified function on x86.

Plus there are 3 small changes that appeared when hunting down
the 1st patch.

Petr Mladek (4):
  ftrace/x86: Make sure to modify 5-bite instructions
  ftrace/x86: Do not crash when reading wrong ftrace func
  ftrace: Always destroy trampoline when shutting down the trace
  ftrace: Fixup trace_selftest_ops()

 arch/x86/kernel/ftrace.c      | 12 ++++++++-
 kernel/trace/ftrace.c         | 62 ++++++++++++++++++++++---------------------
 kernel/trace/trace_selftest.c |  7 ++---
 3 files changed, 47 insertions(+), 34 deletions(-)

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1.8.5.6