Hi, On Mon, May 11, 2020 at 01:21:49PM +0900, Masahiro Yamada wrote: > I think all the warnings have been fixed by now. Make it a fatal error. > Not entirely. With this patch in the tree, I get: Building sparc64:allmodconfig ... failed -------------- Error log: error: the following would cause module name conflict: drivers/char/adi.ko drivers/input/joystick/adi.ko make[1]: *** [modules_check] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [__sub-make] Error 2 Reverting this patch fixes the problem. Guenter