Hi Maxwell, kernel test robot noticed the following build errors: [auto build test ERROR on 0bbac3facb5d6cc0171c45c9873a2dc96bea9680] url: https://github.com/intel-lab-lkp/linux/commits/Maxwell-Bland/mm-allow-arch-refinement-skip-for-vmap-alloc/20240417-032149 base: 0bbac3facb5d6cc0171c45c9873a2dc96bea9680 patch link: https://lore.kernel.org/r/20240416122254.868007168-4-mbland%40motorola.com patch subject: [PATCH 3/5] mm: add vaddr param to pmd_populate_kernel config: powerpc64-randconfig-003-20240417 (https://download.01.org/0day-ci/archive/20240417/202404171648.VEQfHAIY-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7089c359a3845323f6f30c44a47dd901f2edfe63) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240417/202404171648.VEQfHAIY-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/202404171648.VEQfHAIY-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/powerpc/mm/kasan/init_book3s_64.c:19: In file included from include/linux/memblock.h:12: In file included from include/linux/mm.h:2208: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> arch/powerpc/mm/kasan/init_book3s_64.c:75:9: error: incompatible pointer to integer conversion passing 'void *' to parameter of type 'unsigned long' [-Wint-conversion] 75 | vaddr_start + i * PMD_SIZE); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/book3s/64/pgalloc.h:159:38: note: passing argument to parameter 'vaddr' here 159 | pte_t *pte, unsigned long vaddr) | ^ 5 warnings and 1 error generated. vim +75 arch/powerpc/mm/kasan/init_book3s_64.c 39 40 void __init kasan_init(void) 41 { 42 /* 43 * We want to do the following things: 44 * 1) Map real memory into the shadow for all physical memblocks 45 * This takes us from c000... to c008... 46 * 2) Leave a hole over the shadow of vmalloc space. KASAN_VMALLOC 47 * will manage this for us. 48 * This takes us from c008... to c00a... 49 * 3) Map the 'early shadow'/zero page over iomap and vmemmap space. 50 * This takes us up to where we start at c00e... 51 */ 52 53 void *k_start = kasan_mem_to_shadow((void *)RADIX_VMALLOC_END); 54 void *k_end = kasan_mem_to_shadow((void *)RADIX_VMEMMAP_END); 55 phys_addr_t start, end; 56 u64 i; 57 pte_t zero_pte = pfn_pte(virt_to_pfn(kasan_early_shadow_page), PAGE_KERNEL); 58 void *vaddr_start = __va(start); 59 60 if (!early_radix_enabled()) { 61 pr_warn("KASAN not enabled as it requires radix!"); 62 return; 63 } 64 65 for_each_mem_range(i, &start, &end) 66 kasan_init_phys_region((void *)start, (void *)end); 67 68 for (i = 0; i < PTRS_PER_PTE; i++) 69 __set_pte_at(&init_mm, (unsigned long)kasan_early_shadow_page, 70 &kasan_early_shadow_pte[i], zero_pte, 0); 71 72 for (i = 0; i < PTRS_PER_PMD; i++) { 73 pmd_populate_kernel(&init_mm, &kasan_early_shadow_pmd[i], 74 kasan_early_shadow_pte, > 75 vaddr_start + i * PMD_SIZE); 76 } 77 78 for (i = 0; i < PTRS_PER_PUD; i++) 79 pud_populate(&init_mm, &kasan_early_shadow_pud[i], 80 kasan_early_shadow_pmd); 81 82 /* map the early shadow over the iomap and vmemmap space */ 83 kasan_populate_early_shadow(k_start, k_end); 84 85 /* mark early shadow region as RO and wipe it */ 86 zero_pte = pfn_pte(virt_to_pfn(kasan_early_shadow_page), PAGE_KERNEL_RO); 87 for (i = 0; i < PTRS_PER_PTE; i++) 88 __set_pte_at(&init_mm, (unsigned long)kasan_early_shadow_page, 89 &kasan_early_shadow_pte[i], zero_pte, 0); 90 91 /* 92 * clear_page relies on some cache info that hasn't been set up yet. 93 * It ends up looping ~forever and blows up other data. 94 * Use memset instead. 95 */ 96 memset(kasan_early_shadow_page, 0, PAGE_SIZE); 97 98 static_branch_inc(&powerpc_kasan_enabled_key); 99 100 /* Enable error messages */ 101 init_task.kasan_depth = 0; 102 pr_info("KASAN init done\n"); 103 } 104 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
