Hi Guo, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f69d02e37a85645aa90d18cacfff36dba370f797 commit: 18c07d23da5a48525b2955aa269b8bb108c19300 csky: Fixup calltrace panic date: 10 months ago config: csky-randconfig-r035-20210304 (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=18c07d23da5a48525b2955aa269b8bb108c19300 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 18c07d23da5a48525b2955aa269b8bb108c19300 # 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 <l...@intel.com> 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:14:2: error: #error "You should define DTCM_RAM_BASE" 14 | #error "You should define DTCM_RAM_BASE" | ^~~~~ >> arch/csky/mm/tcm.c:18:2: error: #error "You should define correct >> DTCM_RAM_BASE" 18 | #error "You should define correct DTCM_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) | ^~~~~~~~ vim +14 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 f525bb2c9e7cf1 Guo Ren 2019-11-27 12 #ifdef CONFIG_HAVE_DTCM f525bb2c9e7cf1 Guo Ren 2019-11-27 13 #if (CONFIG_DTCM_RAM_BASE == 0xffffffff) f525bb2c9e7cf1 Guo Ren 2019-11-27 @14 #error "You should define DTCM_RAM_BASE" f525bb2c9e7cf1 Guo Ren 2019-11-27 15 #endif f525bb2c9e7cf1 Guo Ren 2019-11-27 16 f525bb2c9e7cf1 Guo Ren 2019-11-27 17 #if (CONFIG_DTCM_RAM_BASE == CONFIG_ITCM_RAM_BASE) f525bb2c9e7cf1 Guo Ren 2019-11-27 @18 #error "You should define correct DTCM_RAM_BASE" f525bb2c9e7cf1 Guo Ren 2019-11-27 19 #endif f525bb2c9e7cf1 Guo Ren 2019-11-27 20 #endif f525bb2c9e7cf1 Guo Ren 2019-11-27 21 :::::: The code at line 14 was first introduced by commit :::::: f525bb2c9e7cf1e3c43ab57704c9e1c836d30b34 csky: Tightly-Coupled Memory or Sram support :::::: TO: Guo Ren <guo...@linux.alibaba.com> :::::: CC: Guo Ren <guo...@linux.alibaba.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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