Hi Chunyan, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.11-rc1 next-20240802] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Chunyan-Zhang/riscv-mm-Prepare-for-reuse-PTE-RSW-bit-9/20240801-231628 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240731040444.3384790-3-zhangchunyan%40iscas.ac.cn patch subject: [PATCH V2 2/3] riscv: mm: Add soft-dirty page tracking support config: riscv-randconfig-r133-20240802 (https://download.01.org/0day-ci/archive/20240804/202408040937.f2DDJjCu-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 423aec6573df4424f90555468128e17073ddc69e) reproduce: (https://download.01.org/0day-ci/archive/20240804/202408040937.f2DDJjCu-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/202408040937.f2DDJjCu-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:104:53: note: expanded from macro 'insb' 104 | #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:752:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 752 | insw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:105:53: note: expanded from macro 'insw' 105 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 760 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:106:53: note: expanded from macro 'insl' 106 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 769 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:118:55: note: expanded from macro 'outsb' 118 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 778 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:119:55: note: expanded from macro 'outsw' 119 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 787 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl' 120 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:36: In file included from include/linux/rtc.h:17: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/riscv/include/asm/io.h:136: include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1115 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from lib/vsprintf.c:50: In file included from lib/../mm/internal.h:13: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ In file included from lib/vsprintf.c:50: >> lib/../mm/internal.h:1332:41: error: call to undeclared function 'pmd_soft_dirty'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1332 | return vma_soft_dirty_enabled(vma) && !pmd_soft_dirty(pmd); | ^ lib/../mm/internal.h:1332:41: note: did you mean 'pmd_swp_soft_dirty'? include/linux/pgtable.h:1415:19: note: 'pmd_swp_soft_dirty' declared here 1415 | static inline int pmd_swp_soft_dirty(pmd_t pmd) | ^ In file included from lib/vsprintf.c:50: >> lib/../mm/internal.h:1337:41: error: call to undeclared function 'pte_soft_dirty'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1337 | return vma_soft_dirty_enabled(vma) && !pte_soft_dirty(pte); | ^ 16 warnings and 2 errors generated. vim +/pmd_soft_dirty +1332 lib/../mm/internal.h 76aefad628aae1 Peter Xu 2022-07-25 1329 f38ee285191813 Barry Song 2024-06-08 1330 static inline bool pmd_needs_soft_dirty_wp(struct vm_area_struct *vma, pmd_t pmd) f38ee285191813 Barry Song 2024-06-08 1331 { f38ee285191813 Barry Song 2024-06-08 @1332 return vma_soft_dirty_enabled(vma) && !pmd_soft_dirty(pmd); f38ee285191813 Barry Song 2024-06-08 1333 } f38ee285191813 Barry Song 2024-06-08 1334 f38ee285191813 Barry Song 2024-06-08 1335 static inline bool pte_needs_soft_dirty_wp(struct vm_area_struct *vma, pte_t pte) f38ee285191813 Barry Song 2024-06-08 1336 { f38ee285191813 Barry Song 2024-06-08 @1337 return vma_soft_dirty_enabled(vma) && !pte_soft_dirty(pte); f38ee285191813 Barry Song 2024-06-08 1338 } f38ee285191813 Barry Song 2024-06-08 1339 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki