arch/csky/mm/tcm.c:14:2: error: #error "You should define DTCM_RAM_BASE"

From: kernel test robot
Date: Fri May 14 2021 - 19:08:49 EST


Hi Guo,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 25a1298726e97b9d25379986f5d54d9e62ad6e93
commit: 18c07d23da5a48525b2955aa269b8bb108c19300 csky: Fixup calltrace panic
date: 1 year ago
config: csky-randconfig-r036-20210515 (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 W=1 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:14:2: error: #error "You should define DTCM_RAM_BASE"
14 | #error "You should define 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 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

:::::: The code at line 14 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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