Hi Haimin, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.18-rc6 next-20220509] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Haimin-Zhang/fs-pipe-Deinitialize-the-watch_queue-when-pipe-is-freed/20220509-212415 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c5eb0a61238dd6faf37f58c9ce61c9980aaffd7a config: s390-randconfig-r004-20220509 (https://download.01.org/0day-ci/archive/20220510/202205100814.M4Aiy8hF-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 3abb68a626160e019c30a4860e569d7bc75e486a) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/22e9d0a2c66d49444376e55348c8a6fa26e6d150 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Haimin-Zhang/fs-pipe-Deinitialize-the-watch_queue-when-pipe-is-freed/20220509-212415 git checkout 22e9d0a2c66d49444376e55348c8a6fa26e6d150 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): <inline asm>:5:5: error: expected absolute expression .if 6651b-6641b > 254 ^ <inline asm>:6:2: error: cpu alternatives does not support instructions blocks > 254 bytes .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ <inline asm>:8:5: error: expected absolute expression .if (6651b-6641b) % 2 ^ <inline asm>:9:2: error: cpu alternatives instructions length is odd .error "cpu alternatives instructions length is odd" ^ <inline asm>:15:5: error: expected absolute expression .if -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) > 6 ^ >> <inline asm>:18:8: error: unexpected token in '.rept' directive .rept (-(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) - (6620b-662b)) / 2 ^ <inline asm>:21:8: error: unexpected token in '.rept' directive .rept -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) / 6 ^ >> <inline asm>:22:2: error: unknown directive .brcl 0,0 ^ >> <inline asm>:23:7: error: unmatched '.endr' directive .endr ^ <inline asm>:24:8: error: unexpected token in '.rept' directive .rept -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) % 6 / 4 ^ <inline asm>:26:7: error: unmatched '.endr' directive .endr ^ <inline asm>:27:8: error: unexpected token in '.rept' directive .rept -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) % 6 % 4 / 2 ^ <inline asm>:29:6: error: unmatched '.endr' directive .endr ^ <inline asm>:32:5: error: expected absolute expression .if 662b-661b > 254 ^ <inline asm>:33:2: error: cpu alternatives does not support instructions blocks > 254 bytes .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ <inline asm>:35:5: error: expected absolute expression .if (662b-661b) % 2 ^ <inline asm>:36:2: error: cpu alternatives instructions length is odd .error "cpu alternatives instructions length is odd" ^ In file included from kernel/watch_queue.c:11: In file included from include/linux/module.h:14: In file included from include/linux/buildid.h:5: In file included from include/linux/mm_types.h:8: In file included from include/linux/kref.h:16: In file included from include/linux/spinlock.h:93: arch/s390/include/asm/spinlock.h:81:3: error: expected absolute expression ALTERNATIVE("", ".insn rre,0xb2fa0000,7,0", 49) /* NIAI 7 */ ^ arch/s390/include/asm/alternative.h:118:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if " len " > 254\n" \ ^ <inline asm>:5:5: note: instantiated into assembly here .if 6651b-6641b > 254 ^ In file included from kernel/watch_queue.c:11: In file included from include/linux/module.h:14: In file included from include/linux/buildid.h:5: In file included from include/linux/mm_types.h:8: In file included from include/linux/kref.h:16: In file included from include/linux/spinlock.h:93: arch/s390/include/asm/spinlock.h:81:3: error: cpu alternatives does not support instructions blocks > 254 bytes ALTERNATIVE("", ".insn rre,0xb2fa0000,7,0", 49) /* NIAI 7 */ ^ arch/s390/include/asm/alternative.h:118:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:63:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives does not support instructions " \ ^ <inline asm>:6:2: note: instantiated into assembly here .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. -- 0-DAY CI Kernel Test Service https://01.org/lkp