Re: [kbuild-all] Re: arch/csky/mm/tcm.c:14:2: error: #error "You should define DTCM_RAM_BASE"

[Chen, Rong A]

Hi Randy,

On 5/15/2021 7:22 AM, Randy Dunlap wrote:
> On 5/14/21 4:08 PM, kernel test robot wrote:
> > 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
>
>
> I.e., the person or bot that is running the kernel configurator should
> set/define the Kconfig symbol CONFIG_DTCM_RAM_BASE.
>
> Please do so in your scripts.

Thanks for the advice, we have added it in the script.

Best Regards,
Rong Chen


> Thanks.
>
> > :::::: 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>