kunwind_stack_walk
kunwind_stack_walk(arch_kunwind_consume_entry, &data, task, regs);
return kunwind_stack_walk(arch_reliable_kunwind_consume_entry, &data,
kunwind_stack_walk(arch_bpf_unwind_consume_entry, &data, current, NULL);
kunwind_stack_walk(dump_backtrace_entry, (void *)loglvl, tsk, regs);