Hi Julian, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 52e44129fba5cfc4e351fdb5e45849afc74d9a53 commit: 7d37cb2c912dc5c25ffac784a4f9b98c06c6bd08 lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS date: 31 hours ago config: csky-randconfig-c003-20210411 (attached as .config) compiler: csky-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d37cb2c912dc5c25ffac784a4f9b98c06c6bd08 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 7d37cb2c912dc5c25ffac784a4f9b98c06c6bd08 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=csky If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> arch/csky/mm/tcm.c:9:2: error: #error "You should define ITCM_RAM_BASE" 9 | #error "You should define ITCM_RAM_BASE" | ^~~~~ arch/csky/mm/tcm.c:109:7: warning: no previous prototype for 'tcm_alloc' [-Wmissing-prototypes] 109 | void *tcm_alloc(size_t len) | ^~~~~~~~~ arch/csky/mm/tcm.c:124:6: warning: no previous prototype for 'tcm_free' [-Wmissing-prototypes] 124 | void tcm_free(void *addr, size_t len) | ^~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for LOCKDEP Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86) Selected by - LOCK_STAT && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT vim +9 arch/csky/mm/tcm.c f525bb2c9e7cf1 Guo Ren 2019-11-27 7 f525bb2c9e7cf1 Guo Ren 2019-11-27 8 #if (CONFIG_ITCM_RAM_BASE == 0xffffffff) f525bb2c9e7cf1 Guo Ren 2019-11-27 @9 #error "You should define ITCM_RAM_BASE" f525bb2c9e7cf1 Guo Ren 2019-11-27 10 #endif f525bb2c9e7cf1 Guo Ren 2019-11-27 11 :::::: The code at line 9 was first introduced by commit :::::: f525bb2c9e7cf1e3c43ab57704c9e1c836d30b34 csky: Tightly-Coupled Memory or Sram support :::::: TO: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> :::::: CC: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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