Hi Michal, See below - this error was introduced because the binder driver uses a 64-bit get_user(), even on a 32-bit architecture. Would it be possible to implement a 64-bit get_user() for microblaze?
Thanks, Martijn On Mon, Jul 2, 2018 at 6:53 AM kbuild test robot <l...@intel.com> wrote: > > Hi Martijn, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 021c91791a5e7e85c567452f1be3e4c2c6cb6063 > commit: 1190b4e38f97023154e6b3bef61b251aa5f970d0 ANDROID: binder: remove > 32-bit binder interface. > date: 7 weeks ago > config: microblaze-allmodconfig (attached as .config) > compiler: microblaze-linux-gcc (GCC) 8.1.0 > reproduce: > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 1190b4e38f97023154e6b3bef61b251aa5f970d0 > # save the attached .config to linux build tree > GCC_VERSION=8.1.0 make.cross ARCH=microblaze > > All errors (new ones prefixed by >>): > > drivers/android/binder.o: In function `binder_thread_write': > >> drivers/android/.tmp_gl_binder.o:(.text+0xcbb0): undefined reference to > >> `__user_bad' > drivers/android/.tmp_gl_binder.o:(.text+0xcbdc): undefined reference to > `__user_bad' > drivers/android/.tmp_gl_binder.o:(.text+0xcfc4): undefined reference to > `__user_bad' > drivers/android/.tmp_gl_binder.o:(.text+0xd650): undefined reference to > `__user_bad' > drivers/android/.tmp_gl_binder.o:(.text+0xdbc8): undefined reference to > `__user_bad' > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation
