linux-kernel - [csky-linux:riscv_compat_v6_svpbmt-v6 20/35] arch/arm64/include/asm/compat.h:69:8: error: redefinition of 'compat

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Date:   Fri, 11 Feb 2022 03:15:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Guo Ren <guoren@...ux.alibaba.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        Christoph Hellwig <hch@....de>
Subject: [csky-linux:riscv_compat_v6_svpbmt-v6 20/35]
 arch/arm64/include/asm/compat.h:69:8: error: redefinition of 'compat_statfs'

tree:   https://github.com/c-sky/csky-linux riscv_compat_v6_svpbmt-v6
head:   54acb36c958fc990cc59889f79c8ddca7386c295
commit: ac589e74083c1738ab2c8db584e11aac71c26858 [20/35] asm-generic: compat: Cleanup duplicate definitions
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220211/202202110304.nUwbKm0j-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project aa845d7a245d85c441d0bd44fc7b6c3be8f3de8d)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/c-sky/csky-linux/commit/ac589e74083c1738ab2c8db584e11aac71c26858
        git remote add csky-linux https://github.com/c-sky/csky-linux
        git fetch --no-tags csky-linux riscv_compat_v6_svpbmt-v6
        git checkout ac589e74083c1738ab2c8db584e11aac71c26858
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 prepare

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 >>):

   In file included from arch/arm64/kernel/asm-offsets.c:10:
   In file included from include/linux/arm_sdei.h:8:
   In file included from include/acpi/ghes.h:5:
   In file included from include/acpi/apei.h:9:
   In file included from include/linux/acpi.h:13:
   In file included from include/linux/irqdomain.h:35:
   In file included from include/linux/of.h:17:
   In file included from include/linux/kobject.h:20:
   In file included from include/linux/sysfs.h:22:
   In file included from include/linux/stat.h:6:
   In file included from arch/arm64/include/asm/stat.h:13:
>> arch/arm64/include/asm/compat.h:69:8: error: redefinition of 'compat_statfs'
   struct compat_statfs {
          ^
   include/asm-generic/compat.h:80:8: note: previous definition is here
   struct compat_statfs {
          ^
   1 error generated.
   make[2]: *** [scripts/Makefile.build:121: arch/arm64/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1191: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/compat_statfs +69 arch/arm64/include/asm/compat.h

3dd681d944f6d8 Will Deacon 2012-03-05  68  
3dd681d944f6d8 Will Deacon 2012-03-05 @69  struct compat_statfs {
3dd681d944f6d8 Will Deacon 2012-03-05  70  	int		f_type;
3dd681d944f6d8 Will Deacon 2012-03-05  71  	int		f_bsize;
3dd681d944f6d8 Will Deacon 2012-03-05  72  	int		f_blocks;
3dd681d944f6d8 Will Deacon 2012-03-05  73  	int		f_bfree;
3dd681d944f6d8 Will Deacon 2012-03-05  74  	int		f_bavail;
3dd681d944f6d8 Will Deacon 2012-03-05  75  	int		f_files;
3dd681d944f6d8 Will Deacon 2012-03-05  76  	int		f_ffree;
3dd681d944f6d8 Will Deacon 2012-03-05  77  	compat_fsid_t	f_fsid;
3dd681d944f6d8 Will Deacon 2012-03-05  78  	int		f_namelen;	/* SunOS ignores this field. */
3dd681d944f6d8 Will Deacon 2012-03-05  79  	int		f_frsize;
3dd681d944f6d8 Will Deacon 2012-03-05  80  	int		f_flags;
3dd681d944f6d8 Will Deacon 2012-03-05  81  	int		f_spare[4];
3dd681d944f6d8 Will Deacon 2012-03-05  82  };
3dd681d944f6d8 Will Deacon 2012-03-05  83  

:::::: The code at line 69 was first introduced by commit
:::::: 3dd681d944f6d861f12ee03aff17a14342963330 arm64: 32-bit (compat) applications support

:::::: TO: Will Deacon <will.deacon@....com>
:::::: CC: Catalin Marinas <catalin.marinas@....com>

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