Hi Hannes, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on linus/master v6.9] [cannot apply to next-20240514] [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/Hannes-Reinecke/fs-mpage-avoid-negative-shift-for-large-blocksize/20240515-014146 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20240514173900.62207-6-hare%40kernel.org patch subject: [PATCH 5/6] block/bdev: lift restrictions on supported blocksize config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20240515/202405150852.LoiNtqk4-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project b910bebc300dafb30569cecc3017b446ea8eafa0) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240515/202405150852.LoiNtqk4-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/202405150852.LoiNtqk4-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from block/bdev.c:9: In file included from include/linux/mm.h:2210: 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_" | ~~~~~~~~~~~ ^ ~~~ In file included from block/bdev.c:15: In file included from include/linux/blk-integrity.h:5: In file included from include/linux/blk-mq.h:8: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | 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 block/bdev.c:15: In file included from include/linux/blk-integrity.h:5: In file included from include/linux/blk-mq.h:8: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | 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 block/bdev.c:15: In file included from include/linux/blk-integrity.h:5: In file included from include/linux/blk-mq.h:8: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ block/bdev.c:145:2: error: call to undeclared function 'mapping_set_folio_min_order'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 145 | mapping_set_folio_min_order(bdev->bd_inode->i_mapping, | ^ >> block/bdev.c:152:16: error: use of undeclared identifier 'bs' 152 | if (get_order(bs) > MAX_PAGECACHE_ORDER || size < 512 || | ^ block/bdev.c:164:3: error: call to undeclared function 'mapping_set_folio_min_order'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 164 | mapping_set_folio_min_order(bdev->bd_inode->i_mapping, | ^ 13 warnings and 3 errors generated. vim +/bs +152 block/bdev.c 148 149 int set_blocksize(struct block_device *bdev, int size) 150 { 151 /* Size must be a power of two, and between 512 and MAX_PAGECACHE_ORDER*/ > 152 if (get_order(bs) > MAX_PAGECACHE_ORDER || size < 512 || 153 !is_power_of_2(size)) 154 return -EINVAL; 155 156 /* Size cannot be smaller than the size supported by the device */ 157 if (size < bdev_logical_block_size(bdev)) 158 return -EINVAL; 159 160 /* Don't change the size if it is same as current */ 161 if (bdev->bd_inode->i_blkbits != blksize_bits(size)) { 162 sync_blockdev(bdev); 163 bdev->bd_inode->i_blkbits = blksize_bits(size); 164 mapping_set_folio_min_order(bdev->bd_inode->i_mapping, 165 get_order(size)); 166 kill_bdev(bdev); 167 } 168 return 0; 169 } 170 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
