On Mon, 27 Jun 2016 15:54:33 +0200 Petr Mladek <pmla...@suse.com> wrote:
> 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 The first two are mostly just "detect error, when it happens again" chanes. > ftrace: Always destroy trampoline when shutting down the trace > ftrace: Fixup trace_selftest_ops() These two seem to fix real bugs. I'm thinking they should go in now and be backported via stable. Thoughts? -- Steve > > arch/x86/kernel/ftrace.c | 12 ++++++++- > kernel/trace/ftrace.c | 62 > ++++++++++++++++++++++--------------------- > kernel/trace/trace_selftest.c | 7 ++--- > 3 files changed, 47 insertions(+), 34 deletions(-) >
