tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2e9a9857569ec27e64d2ddd01294bbe3c736acb1 commit: 2f9dbeda8dc04b5b754e032000adf6bab03aa9be [2610/2869] dlm: use __le types for rcom messages config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220407/202204071458.BfutYrzm-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 11.2.0 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/next/linux-next.git/commit/?id=2f9dbeda8dc04b5b754e032000adf6bab03aa9be git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 2f9dbeda8dc04b5b754e032000adf6bab03aa9be # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash fs/dlm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/swab.h:5, from include/uapi/linux/byteorder/big_endian.h:14, from include/linux/byteorder/big_endian.h:5, from arch/arc/include/uapi/asm/byteorder.h:14, from include/asm-generic/bitops/le.h:6, from arch/arc/include/asm/bitops.h:192, from include/linux/bitops.h:33, from include/linux/log2.h:12, from include/asm-generic/div64.h:55, from ./arch/arc/include/generated/asm/div64.h:1, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time64.h:5, from include/linux/restart_block.h:10, from include/linux/thread_info.h:14, from include/asm-generic/preempt.h:5, from ./arch/arc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:55, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from fs/dlm/dlm_internal.h:19, from fs/dlm/rcom.c:12: fs/dlm/rcom.c: In function 'dlm_send_rcom_lock': >> include/uapi/linux/swab.h:131:31: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 131 | (__builtin_constant_p((__u64)(x)) ? \ | ^ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:25:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 25 | (((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:26:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 26 | (((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:27:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 27 | (((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:28:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 28 | (((__u64)(x) & (__u64)0x00000000ff000000ULL) << 8) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:29:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 29 | (((__u64)(x) & (__u64)0x000000ff00000000ULL) >> 8) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:30:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 30 | (((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:31:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 31 | (((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \ | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:32:11: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 32 | (((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56))) | ^ include/uapi/linux/swab.h:132:9: note: in expansion of macro '___constant_swab64' 132 | ___constant_swab64(x) : \ | ^~~~~~~~~~~~~~~~~~ include/uapi/linux/byteorder/big_endian.h:32:43: note: in expansion of macro '__swab64' 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~~~~~~ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ >> include/uapi/linux/byteorder/big_endian.h:32:52: warning: passing argument 1 of '__fswab64' makes integer from pointer without a cast [-Wint-conversion] 32 | #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) | ^~~ | | | struct dlm_rsb * include/uapi/linux/swab.h:133:19: note: in definition of macro '__swab64' 133 | __fswab64(x)) | ^ include/linux/byteorder/generic.h:86:21: note: in expansion of macro '__cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^~~~~~~~~~~~~ fs/dlm/rcom.c:457:21: note: in expansion of macro 'cpu_to_le64' 457 | rc->rc_id = cpu_to_le64(r); | ^~~~~~~~~~~ include/uapi/linux/swab.h:66:57: note: expected '__u64' {aka 'long long unsigned int'} but argument is of type 'struct dlm_rsb *' 66 | static inline __attribute_const__ __u64 __fswab64(__u64 val) | ~~~~~~^~~ vim +131 include/uapi/linux/swab.h 607ca46e97a1b6 David Howells 2012-10-13 122 607ca46e97a1b6 David Howells 2012-10-13 123 /** 607ca46e97a1b6 David Howells 2012-10-13 124 * __swab64 - return a byteswapped 64-bit value 607ca46e97a1b6 David Howells 2012-10-13 125 * @x: value to byteswap 607ca46e97a1b6 David Howells 2012-10-13 126 */ 7322dd755e7dd3 Arnd Bergmann 2016-05-05 127 #ifdef __HAVE_BUILTIN_BSWAP64__ 7322dd755e7dd3 Arnd Bergmann 2016-05-05 128 #define __swab64(x) (__u64)__builtin_bswap64((__u64)(x)) 7322dd755e7dd3 Arnd Bergmann 2016-05-05 129 #else 607ca46e97a1b6 David Howells 2012-10-13 130 #define __swab64(x) \ 607ca46e97a1b6 David Howells 2012-10-13 @131 (__builtin_constant_p((__u64)(x)) ? \ 607ca46e97a1b6 David Howells 2012-10-13 132 ___constant_swab64(x) : \ 607ca46e97a1b6 David Howells 2012-10-13 133 __fswab64(x)) 7322dd755e7dd3 Arnd Bergmann 2016-05-05 134 #endif 607ca46e97a1b6 David Howells 2012-10-13 135 :::::: The code at line 131 was first introduced by commit :::::: 607ca46e97a1b6594b29647d98a32d545c24bdff UAPI: (Scripted) Disintegrate include/linux :::::: TO: David Howells <dhowells@xxxxxxxxxx> :::::: CC: David Howells <dhowells@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp