On Tue, Jul 07, 2015 at 06:10:40PM +0800, Chunyan Zhang wrote: > +config STM_TRACE_EVENT > + tristate "Redirect/copy the output from kernel trace event to STM engine"
How does tristate make sense here? You're using it unconditionally for in-kernel tracepoints. This must be bool, which in turn makes the whole STM thing bool afaiu.