tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fca4fe890ea0352f7e9e4bf33ffed287946ff59e commit: a3b396f93d16954b6e5c5e8e8f5ebbc27f8c30cc [2516/4050] lib/zlib: add s390 hardware support for kernel zlib_deflate config: s390-randconfig-a001-20191217 (attached as .config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout a3b396f93d16954b6e5c5e8e8f5ebbc27f8c30cc # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): lib/zlib_dfltcc/dfltcc_util.h: Assembler messages: >> lib/zlib_dfltcc/dfltcc_util.h:109: Error: Unrecognized opcode: `stfle' vim +109 lib/zlib_dfltcc/dfltcc_util.h 101 102 static inline int is_dfltcc_enabled(void) 103 { 104 uint64_t facilities[(DFLTCC_FACILITY / 64) + 1]; 105 register char r0 __asm__("r0"); 106 107 memset(facilities, 0, sizeof(facilities)); 108 r0 = sizeof(facilities) / sizeof(facilities[0]) - 1; > 109 __asm__ volatile("stfle %[facilities]\n" 110 : [facilities] "=Q" (facilities) 111 , [r0] "+r" (r0) 112 : 113 : "cc"); 114 return is_bit_set((const char *)facilities, DFLTCC_FACILITY); 115 } 116 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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