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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git p4d_pgd_cdtor head: 5453d8f69ac04a3a31ea973f98de9e0c58248a42 commit: 5453d8f69ac04a3a31ea973f98de9e0c58248a42 [10/10] mm: Introduce ctor/dtor at PGD level config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241218/202412182149.jj21x6Bc-lkp@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241218/202412182149.jj21x6Bc-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/202412182149.jj21x6Bc-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/mm.h:2213: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/s390/kernel/asm-offsets.c:11: In file included from include/linux/kvm_host.h:19: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:95: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from arch/s390/kernel/asm-offsets.c:11: In file included from include/linux/kvm_host.h:19: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:95: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from arch/s390/kernel/asm-offsets.c:11: In file included from include/linux/kvm_host.h:19: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:95: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ In file included from arch/s390/kernel/asm-offsets.c:11: In file included from include/linux/kvm_host.h:19: In file included from include/linux/msi.h:24: In file included from include/linux/irq.h:591: In file included from arch/s390/include/asm/hw_irq.h:6: In file included from include/linux/pci.h:37: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: arch/s390/include/asm/pgalloc.h:67:36: error: use of undeclared identifier 'table' 67 | pagetable_p4d_dtor(virt_to_ptdesc(table)); | ^ >> arch/s390/include/asm/pgalloc.h:129:9: error: incompatible pointer types initializing 'pgd_t *' with an expression of type 'unsigned long *' [-Werror,-Wincompatible-pointer-types] 129 | pgd_t *table = crst_table_alloc(mm); | ^ ~~~~~~~~~~~~~~~~~~~~ 16 warnings and 2 errors generated. make[3]: *** [scripts/Makefile.build:102: arch/s390/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1203: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:224: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:224: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +129 arch/s390/include/asm/pgalloc.h 62 63 static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d) 64 { 65 if (mm_p4d_folded(mm)) 66 return; > 67 pagetable_p4d_dtor(virt_to_ptdesc(table)); 68 crst_table_free(mm, (unsigned long *) p4d); 69 } 70 71 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) 72 { 73 unsigned long *table = crst_table_alloc(mm); 74 75 if (!table) 76 return NULL; 77 crst_table_init(table, _REGION3_ENTRY_EMPTY); 78 pagetable_pud_ctor(virt_to_ptdesc(table)); 79 return (pud_t *) table; 80 } 81 82 static inline void pud_free(struct mm_struct *mm, pud_t *pud) 83 { 84 if (mm_pud_folded(mm)) 85 return; 86 pagetable_pud_dtor(virt_to_ptdesc(pud)); 87 crst_table_free(mm, (unsigned long *) pud); 88 } 89 90 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr) 91 { 92 unsigned long *table = crst_table_alloc(mm); 93 94 if (!table) 95 return NULL; 96 crst_table_init(table, _SEGMENT_ENTRY_EMPTY); 97 if (!pagetable_pmd_ctor(virt_to_ptdesc(table))) { 98 crst_table_free(mm, table); 99 return NULL; 100 } 101 return (pmd_t *) table; 102 } 103 104 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) 105 { 106 if (mm_pmd_folded(mm)) 107 return; 108 pagetable_pmd_dtor(virt_to_ptdesc(pmd)); 109 crst_table_free(mm, (unsigned long *) pmd); 110 } 111 112 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, p4d_t *p4d) 113 { 114 set_pgd(pgd, __pgd(_REGION1_ENTRY | __pa(p4d))); 115 } 116 117 static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud) 118 { 119 set_p4d(p4d, __p4d(_REGION2_ENTRY | __pa(pud))); 120 } 121 122 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) 123 { 124 set_pud(pud, __pud(_REGION3_ENTRY | __pa(pmd))); 125 } 126 127 static inline pgd_t *pgd_alloc(struct mm_struct *mm) 128 { > 129 pgd_t *table = crst_table_alloc(mm); 130 131 if (!table) 132 return NULL; 133 pagetable_pgd_ctor(virt_to_ptdesc(table)); 134 return table; 135 } 136 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki