On Mon, Apr 20, 2015 at 04:38:11PM -0500, Ron Rechenmacher wrote: > If symbols are not exported, modules can no longer register additional > (module specified) tracepoints like they use to be able to (i.e linux-3.15.x). > Somewhere on or about commit de7b2973903c6cc50b31ee5682a69b2219b9919d > (Author: Mathieu Desnoyers <mathieu.desnoy...@efficios.com> > Date: Tue Apr 8 17:26:21 2014 -0400 > tracepoint: Use struct pointer instead of name hash for reg/unreg tracepoints) > modules which attempted to register additional tracing functions would > get "Unknown symbol" errors. For example: "... Unknown symbol > __tracepoint_sched_switch (err 0)" > Symbols can be exported using the kernel's EXPORT_TRACEPOINT_SYMBOL_GPL macro > to allow modules to once again register their own tracing functions (for at > least some key points in the kernel as provided by this patch).
Which (in-tree) module fails with this? I don't think anyone should actually register a symbol. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
