On Fri, 17 Mar 2017, Dong Jia Shi wrote: > Export the common I/O interfaces those are needed by an I/O > subchannel driver to actually talk to the subchannel. Which I/O subchannel driver are you talking about? I know of just one and it can't be build as a module. Sebastian -- 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