I ended with three patches in the end. The first one is the same as before [1]. Then I added two patches for handling of the stacktrace error messages. [1] https://lkml.kernel.org/r/20190418112936.13295-1-pmladek@xxxxxxxx Petr Mladek (3): livepatch: Convert error about unsupported reliable stacktrace into a warning stacktrace: Remove superfluous WARN_ONCE() from save_stack_trace_tsk_reliable() livepatch: Cleanup message handling in klp_try_switch_task() kernel/livepatch/core.c | 5 ++--- kernel/livepatch/transition.c | 19 ++++++++++++++----- kernel/stacktrace.c | 1 - 3 files changed, 16 insertions(+), 9 deletions(-) -- 2.16.4