[kbuild-all] [android-common:android-4.4-p 2/2] /tmp/multipath-000407.s:1215: Warning: no instruction mnemonic suffix given and no register operands; using default for `btr'

tree: https://android.googlesource.com/kernel/common android-4.4-p head: 0cd3dcb56af3005b8193192ba888ecd8f10c32c9 commit: 0cd3dcb56af3005b8193192ba888ecd8f10c32c9 [2/2] ANDROID: Publish uncompressed Image on aarch64 config: x86_64-randconfig-r016-20201029 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 772aaa602383cf82795572ebcd86b0e660f3579f) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android-4.4-p git checkout 0cd3dcb56af3005b8193192ba888ecd8f10c32c9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): ~~ ^ ~ include/linux/compiler.h:150:43: note: expanded from macro 'likely' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~ include/linux/compiler.h:174:16: note: expanded from macro '__trace_if' ______r = !!(cond); \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/uaccess.h:8: arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different signs: 'int' and 'unsigned long' [-Wsign-compare] if (likely(sz < 0 || sz >= n)) { ~~ ^ ~ include/linux/compiler.h:150:51: note: expanded from macro 'likely' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~ include/linux/compiler.h:174:16: note: expanded from macro '__trace_if' ______r = !!(cond); \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/uaccess.h:8: arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different signs: 'int' and 'unsigned long' [-Wsign-compare] if (likely(sz < 0 || sz >= n)) { ~~ ^ ~ include/linux/compiler.h:150:43: note: expanded from macro 'likely' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~ include/linux/compiler.h:163:30: note: expanded from macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/uaccess.h:8: arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different signs: 'int' and 'unsigned long' [-Wsign-compare] if (likely(sz < 0 || sz >= n)) { ~~ ^ ~ include/linux/compiler.h:150:51: note: expanded from macro 'likely' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~ include/linux/compiler.h:163:30: note: expanded from macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:18: include/linux/bio.h:424:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare] if (sectors >= bio_sectors(bio)) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:174:16: note: expanded from macro '__trace_if' ______r = !!(cond); \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:18: include/linux/bio.h:424:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare] if (sectors >= bio_sectors(bio)) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:163:30: note: expanded from macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ In file included from drivers/md/multipath.c:22: In file included from include/linux/blkdev.h:18: include/linux/bio.h:424:14: warning: comparison of integers of different signs: 'int' and 'unsigned int' [-Wsign-compare] if (sectors >= bio_sectors(bio)) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:161:36: note: expanded from macro 'if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:163:42: note: expanded from macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ In file included from drivers/md/multipath.c:22: include/linux/blkdev.h:1714:16: warning: comparison of integers of different signs: 'int' and 'unsigned long' [-Wsign-compare] for (i = 0; i < ARRAY_SIZE(latency_x_axis_us); i++) ~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 21 warnings generated. /tmp/multipath-000407.s: Assembler messages: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org