[zen-kernel-zen-kernel:5.10/clearlinux 9/25] lib/raid6/algos.c:138:3: error: #error "TODO"

[kernel test robot <lkp@intel.com>]

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tree:   https://github.com/zen-kernel/zen-kernel 5.10/clearlinux
head:   f913bdc4bdb24521c1309755d426d7bac427ad2f
commit: f32b62caf790b6f63e5b447108b90febb9c009eb [9/25] raid6: add Kconfig option to skip raid6 benchmarking
config: m68k-allmodconfig (attached as .config)
compiler: m68k-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://github.com/zen-kernel/zen-kernel/commit/f32b62caf790b6f63e5b447108b90febb9c009eb
        git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
        git fetch --no-tags zen-kernel-zen-kernel 5.10/clearlinux
        git checkout f32b62caf790b6f63e5b447108b90febb9c009eb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
Depends on DISCONTIGMEM || NUMA
Selected by
- SINGLE_MEMORY_CHUNK && MMU

   In file included from include/linux/kernel.h:11,
                    from include/linux/list.h:9,
                    from include/linux/rculist.h:10,
                    from include/linux/pid.h:5,
                    from include/linux/sched.h:14,
                    from include/linux/blkdev.h:5,
                    from include/linux/raid/pq.h:15,
                    from lib/raid6/algos.c:14:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   lib/raid6/algos.c: In function 'raid6_select_algo':
>> lib/raid6/algos.c:138:3: error: #error "TODO"
     138 | # error "TODO"
         |   ^~~~~
   lib/raid6/algos.c:130:28: warning: unused variable 'gen_fallback' [-Wunused-variable]
     130 |  const struct raid6_calls *gen_fallback;
         |                            ^~~~~~~~~~~~

vim +/TODO +138 lib/raid6/algos.c

   123	
   124	#ifdef CONFIG_RAID6_FORCE_ALGO
   125	/* TODO don't compile in algos that will never be used */
   126	int __init raid6_select_algo(void)
   127	{
   128		const struct raid6_recov_calls *recov_fallback = &raid6_recov_intx1;
   129		const struct raid6_recov_calls *recov_algo;
   130		const struct raid6_calls *gen_fallback;
   131		const struct raid6_calls *gen_algo;
   132	
   133	#if defined(__i386__)
   134		gen_fallback = &raid6_intx32;
   135	#elif defined(__x86_64__)
   136		gen_fallback = &raid6_sse2x2;
   137	#else
 > 138	# error "TODO"
   139	#endif
   140	

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

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