On Thu, Jul 2, 2020 at 7:45 PM Song Liu <songliubraving@xxxxxx> wrote: > > Without CONFIG_STACKTRACE stack_trace_save_tsk() is not defined. Let > get_callchain_entry_for_task() to always return NULL in such cases. > > Fixes: fa28dcb82a38 ("bpf: Introduce helper bpf_get_task_stack()") > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Song Liu <songliubraving@xxxxxx> Applied. Thanks