> diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h > index 0a34489..8e8b67b 100644 > --- a/include/linux/stacktrace.h > +++ b/include/linux/stacktrace.h > @@ -18,6 +18,8 @@ extern void save_stack_trace_regs(struct pt_regs *regs, > struct stack_trace *trace); > extern void save_stack_trace_tsk(struct task_struct *tsk, > struct stack_trace *trace); > +extern int save_stack_trace_tsk_reliable(struct task_struct *tsk, > + struct stack_trace *trace); > > extern void print_stack_trace(struct stack_trace *trace, int spaces); > extern int snprint_stack_trace(char *buf, size_t size, > @@ -29,12 +31,12 @@ extern void save_stack_trace_user(struct stack_trace *trace); > # define save_stack_trace_user(trace) do { } while (0) > #endif > > -#else > +#else /* !CONFIG_STACKTRACE */ > # define save_stack_trace(trace) do { } while (0) > # define save_stack_trace_tsk(tsk, trace) do { } while (0) > # define save_stack_trace_user(trace) do { } while (0) > # define print_stack_trace(trace, spaces) do { } while (0) > # define snprint_stack_trace(buf, size, trace, spaces) do { } while (0) Is there a reason you did not define empty save_stack_trace_tsk_reliable() here? Right, it should not be needed now as livepatching is the only user, but still. Miroslav -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html