tree: https://github.com/kdave/btrfs-devel.git ext/aota/zoned-7 head: 17046312f8c0a16a96b4b3a145f4b30be84e6ede commit: bc960447dd5838f71d4ef88b107e8329a00c4f1d [133/162] btrfs: implement zoned chunk allocator 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 git checkout bc960447dd5838f71d4ef88b107e8329a00c4f1d # 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(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from fs/btrfs/zoned.c:9: 78 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:317:19: note: in expansion of macro 'find_first_zero_bit' 317 | static inline int find_first_zero_bit(const unsigned long *vaddr, | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/find.h:78:68: error: expected declaration specifiers or '...' before '(' token 78 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:317:19: note: in expansion of macro 'find_first_zero_bit' 317 | static inline int find_first_zero_bit(const unsigned long *vaddr, | ^~~~~~~~~~~~~~~~~~~ 78 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:317:19: note: in expansion of macro 'find_first_zero_bit' 317 | static inline int find_first_zero_bit(const unsigned long *vaddr, | ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: 341 | #define find_first_zero_bit find_first_zero_bit | In file included from fs/btrfs/zoned.c:9: include/asm-generic/bitops/find.h:78: note: this is the location of the previous definition 78 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) | In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: 343 | static inline int find_next_zero_bit(const unsigned long *vaddr, int size, | ^~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/zoned.c:9: include/asm-generic/bitops/find.h:45:22: note: previous declaration of 'find_next_zero_bit' was here 45 | extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned | ^~~~~~~~~~~~~~~~~~ In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: arch/m68k/include/asm/bitops.h: In function 'find_next_zero_bit': 341 | #define find_first_zero_bit find_first_zero_bit | ^~~~~~~~~~~~~~~~~~~ arch/m68k/include/asm/bitops.h:369:18: note: in expansion of macro 'find_first_zero_bit' 369 | return offset + find_first_zero_bit(p, size - offset); | ^~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/zoned.c:9: arch/m68k/include/asm/bitops.h: At top level: include/asm-generic/bitops/find.h:75:50: error: expected declaration specifiers or '...' before '(' token 75 | #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:373:19: note: in expansion of macro 'find_first_bit' 373 | static inline int find_first_bit(const unsigned long *vaddr, unsigned size) | ^~~~~~~~~~~~~~ include/asm-generic/bitops/find.h:75:58: error: expected declaration specifiers or '...' before '(' token 75 | #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:373:19: note: in expansion of macro 'find_first_bit' 373 | static inline int find_first_bit(const unsigned long *vaddr, unsigned size) | ^~~~~~~~~~~~~~ include/asm-generic/bitops/find.h:75:66: error: expected declaration specifiers or '...' before numeric constant 75 | #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) | ^ arch/m68k/include/asm/bitops.h:373:19: note: in expansion of macro 'find_first_bit' 373 | static inline int find_first_bit(const unsigned long *vaddr, unsigned size) | ^~~~~~~~~~~~~~ In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: 396 | #define find_first_bit find_first_bit | In file included from fs/btrfs/zoned.c:9: include/asm-generic/bitops/find.h:75: note: this is the location of the previous definition 75 | #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) | In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: 398 | static inline int find_next_bit(const unsigned long *vaddr, int size, | ^~~~~~~~~~~~~ In file included from fs/btrfs/zoned.c:9: include/asm-generic/bitops/find.h:15:22: note: previous declaration of 'find_next_bit' was here 15 | extern unsigned long find_next_bit(const unsigned long *addr, unsigned long | ^~~~~~~~~~~~~ In file included from include/linux/bitops.h:29, from include/linux/kernel.h:12, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: arch/m68k/include/asm/bitops.h: In function 'find_next_bit': 396 | #define find_first_bit find_first_bit | ^~~~~~~~~~~~~~ arch/m68k/include/asm/bitops.h:424:18: note: in expansion of macro 'find_first_bit' 424 | return offset + find_first_bit(p, size - offset); | ^~~~~~~~~~~~~~ In file included from include/linux/kernel.h:11, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from fs/btrfs/zoned.c:10: 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)); | ^~~~~~~~~~~~~~~ cc1: some warnings being treated as errors # https://github.com/kdave/btrfs-devel/commit/bc960447dd5838f71d4ef88b107e8... git remote add kdave-btrfs-devel https://github.com/kdave/btrfs-devel.git git fetch --no-tags kdave-btrfs-devel ext/aota/zoned-7 git checkout bc960447dd5838f71d4ef88b107e8329a00c4f1d vim +78 include/asm-generic/bitops/find.h 708ff2a0097b02 Akinobu Mita 2010-09-29 73 0ade34c37012ea Clement Courbet 2018-02-06 74 #ifndef find_first_bit c7f612cdf091de Akinobu Mita 2006-03-26 75 #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) 0ade34c37012ea Clement Courbet 2018-02-06 76 #endif 0ade34c37012ea Clement Courbet 2018-02-06 77 #ifndef find_first_zero_bit c7f612cdf091de Akinobu Mita 2006-03-26 @78 #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) 0ade34c37012ea Clement Courbet 2018-02-06 79 #endif c7f612cdf091de Akinobu Mita 2006-03-26 80 :::::: The code at line 78 was first introduced by commit :::::: c7f612cdf091def01454e7e132c7d7a3f419fbc4 [PATCH] bitops: generic find_{next,first}{,_zero}_bit() :::::: TO: Akinobu Mita <mita(a)miraclelinux.com&gt; :::::: CC: Linus Torvalds <torvalds(a)g5.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org