tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 7d7894afcca68b40bfca49f4d1303167d224919e commit: a5c1d6b162e7568305f50186568d6e033ad6d81f [206/222] mm/x86: add missing pud helpers config: i386-randconfig-002-20240811 (https://download.01.org/0day-ci/archive/20240811/202408111850.Y7rbVXOo-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240811/202408111850.Y7rbVXOo-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408111850.Y7rbVXOo-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:14: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:9: In file included from include/linux/sched/task.h:13: In file included from include/linux/uaccess.h:12: In file included from arch/x86/include/asm/uaccess.h:17: In file included from arch/x86/include/asm/tlbflush.h:16: >> arch/x86/include/asm/pgtable.h:1420:10: error: invalid output size for constraint '+q' 1420 | return xchg(pudp, pud); | ^ include/linux/atomic/atomic-instrumented.h:4758:2: note: expanded from macro 'xchg' 4758 | raw_xchg(__ai_ptr, __VA_ARGS__); \ | ^ include/linux/atomic/atomic-arch-fallback.h:12:18: note: expanded from macro 'raw_xchg' 12 | #define raw_xchg arch_xchg | ^ arch/x86/include/asm/cmpxchg.h:78:27: note: expanded from macro 'arch_xchg' 78 | #define arch_xchg(ptr, v) __xchg_op((ptr), (v), xchg, "") | ^ arch/x86/include/asm/cmpxchg.h:48:19: note: expanded from macro '__xchg_op' 48 | : "+q" (__ret), "+m" (*(ptr)) \ | ^ 1 error generated. make[3]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1 shuffle=3464415616 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1193: prepare0] Error 2 shuffle=3464415616 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:224: __sub-make] Error 2 shuffle=3464415616 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:224: __sub-make] Error 2 shuffle=3464415616 make: Target 'prepare' not remade because of errors. vim +1420 arch/x86/include/asm/pgtable.h 1414 1415 static inline pud_t pudp_establish(struct vm_area_struct *vma, 1416 unsigned long address, pud_t *pudp, pud_t pud) 1417 { 1418 page_table_check_pud_set(vma->vm_mm, pudp, pud); 1419 if (IS_ENABLED(CONFIG_SMP)) { > 1420 return xchg(pudp, pud); 1421 } else { 1422 pud_t old = *pudp; 1423 WRITE_ONCE(*pudp, pud); 1424 return old; 1425 } 1426 } 1427 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
