linux-kernel - arch/csky/mm/tcm.c:9:2: error: #error "You should define ITCM_RAM

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Date:   Sun, 11 Apr 2021 12:43:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Julian Braha <julianbraha@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: arch/csky/mm/tcm.c:9:2: error: #error "You should define
 ITCM_RAM_BASE"

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@...el.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: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@...ux.alibaba.com>
:::::: CC: Guo Ren <guoren@...ux.alibaba.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (40765 bytes)