[Uclinux-h8-devel] [PATCH 2/2] include: warn for inconsistent endian config definition

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kbuild test robot lkp****@intel*****
2017年 6月 10日 (土) 23:06:20 JST


Hi Babu,

[auto build test WARNING on linus/master]
[also build test WARNING on v4.12-rc4 next-20170609]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Babu-Moger/Define-CPU_BIG_ENDIAN-or-warn-for-inconsistencies/20170610-200424
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=microblaze 

All warnings (new ones prefixed by >>):

   In file included from arch/microblaze/include/uapi/asm/byteorder.h:7:0,
                    from include/asm-generic/bitops/le.h:5,
                    from include/asm-generic/bitops.h:34,
                    from arch/microblaze/include/asm/bitops.h:1,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/asm-generic/bug.h:15,
                    from arch/microblaze/include/asm/bug.h:1,
                    from include/linux/bug.h:4,
                    from include/linux/page-flags.h:9,
                    from kernel/bounds.c:9:
>> include/linux/byteorder/big_endian.h:7:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp]
    #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN
     ^~~~~~~
--
   In file included from arch/microblaze/include/uapi/asm/byteorder.h:7:0,
                    from include/asm-generic/bitops/le.h:5,
                    from include/asm-generic/bitops.h:34,
                    from arch/microblaze/include/asm/bitops.h:1,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/asm-generic/bug.h:15,
                    from arch/microblaze/include/asm/bug.h:1,
                    from include/linux/bug.h:4,
                    from include/linux/page-flags.h:9,
                    from kernel/bounds.c:9:
>> include/linux/byteorder/big_endian.h:7:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp]
    #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN
     ^~~~~~~
   In file included from arch/microblaze/include/uapi/asm/byteorder.h:7:0,
                    from include/asm-generic/bitops/le.h:5,
                    from include/asm-generic/bitops.h:34,
                    from arch/microblaze/include/asm/bitops.h:1,
                    from include/linux/bitops.h:36,
                    from include/linux/kernel.h:10,
                    from include/linux/list.h:8,
                    from include/linux/rculist.h:9,
                    from include/linux/pid.h:4,
                    from include/linux/sched.h:13,
                    from arch/microblaze/kernel/asm-offsets.c:13:
>> include/linux/byteorder/big_endian.h:7:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp]
    #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN
     ^~~~~~~
   <stdin>:1326:2: warning: #warning syscall statx not implemented [-Wcpp]

vim +7 include/linux/byteorder/big_endian.h

     1	#ifndef _LINUX_BYTEORDER_BIG_ENDIAN_H
     2	#define _LINUX_BYTEORDER_BIG_ENDIAN_H
     3	
     4	#include <uapi/linux/byteorder/big_endian.h>
     5	
     6	#ifndef CONFIG_CPU_BIG_ENDIAN
   > 7	#warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN
     8	#endif
     9	
    10	#include <linux/byteorder/generic.h>
    11	#endif /* _LINUX_BYTEORDER_BIG_ENDIAN_H */

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



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