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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git rseq/cid head: e196d67a03daa4beb27afc2961845664ac3ef3d5 commit: a430e9c31893c17c9c13bcef7dfbdad1aa857761 [60/64] sched/mmcid: Provide new scheduler CID mechanism config: s390-randconfig-002-20251016 (https://download.01.org/0day-ci/archive/20251016/202510160407.PRl7dIAf-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251016/202510160407.PRl7dIAf-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202510160407.PRl7dIAf-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/build_bug.h:5, from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/smp.h:12, from include/linux/sched/clock.h:5, from kernel/sched/build_utility.c:12: kernel/sched/sched.h: In function 'mm_get_cid': >> include/linux/compiler.h:85:20: error: expected expression before '__asm__' 85 | # define barrier() __asm__ __volatile__("": : :"memory") | ^~~~~~~ arch/s390/include/asm/processor.h:291:21: note: in expansion of macro 'barrier' 291 | #define cpu_relax() barrier() | ^~~~~~~ kernel/sched/sched.h:3595:37: note: in expansion of macro 'cpu_relax' 3595 | for (; cid == MM_CID_UNSET; cpu_relax()) | ^~~~~~~~~ vim +/__asm__ +85 include/linux/compiler.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 81 ^1da177e4c3f41 Linus Torvalds 2005-04-16 82 /* Optimization barrier */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 83 #ifndef barrier 3347acc6fcd4ee Arvind Sankar 2020-11-13 84 /* The "volatile" is due to gcc bugs */ 3347acc6fcd4ee Arvind Sankar 2020-11-13 @85 # define barrier() __asm__ __volatile__("": : :"memory") ^1da177e4c3f41 Linus Torvalds 2005-04-16 86 #endif ^1da177e4c3f41 Linus Torvalds 2005-04-16 87 :::::: The code at line 85 was first introduced by commit :::::: 3347acc6fcd4ee71ad18a9ff9d9dac176b517329 compiler.h: fix barrier_data() on clang :::::: TO: Arvind Sankar :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki