Hi Desnes, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on jejb-scsi/for-next] [also build test WARNING on mkp-scsi/for-next linus/master] [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/Desnes-Nunes/dma-debug-small-dma_debug_entry-s-comment-and-variable-name-updates/20230316-032542 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/r/20230315192130.970021-3-desnesn%40redhat.com patch subject: [PATCH 2/3] dma-debug: add cacheline to user/kernel space dump messages config: arm-randconfig-r046-20230312 (https://download.01.org/0day-ci/archive/20230316/202303160927.dwt0jHFb-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/ae3f8fdd17c54b837d476952733456723c472ed8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Desnes-Nunes/dma-debug-small-dma_debug_entry-s-comment-and-variable-name-updates/20230316-032542 git checkout ae3f8fdd17c54b837d476952733456723c472ed8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash kernel/dma/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303160927.dwt0jHFb-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/dma/debug.c:541:7: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat] cln, dir2name[entry->direction], ^~~ include/linux/dev_printk.h:150:67: note: expanded from macro 'dev_info' dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ kernel/dma/debug.c:574:8: warning: format specifies type 'unsigned long long' but the argument has type 'phys_addr_t' (aka 'unsigned int') [-Wformat] cln, dir2name[entry->direction], ^~~ 2 warnings generated. vim +541 kernel/dma/debug.c 518 519 /* 520 * Dump mappings entries on kernel space for debugging purposes 521 */ 522 void debug_dma_dump_mappings(struct device *dev) 523 { 524 int idx; 525 phys_addr_t cln; 526 527 for (idx = 0; idx < HASH_SIZE; idx++) { 528 struct hash_bucket *bucket = &dma_entry_hash[idx]; 529 struct dma_debug_entry *entry; 530 unsigned long flags; 531 532 spin_lock_irqsave(&bucket->lock, flags); 533 list_for_each_entry(entry, &bucket->list, list) { 534 if (!dev || dev == entry->dev) { 535 cln = to_cacheline_number(entry); 536 dev_info(entry->dev, 537 "%s idx %d P=%llx N=%lx D=%llx L=%llx cln=%llx %s %s\n", 538 type2name[entry->type], idx, 539 phys_addr(entry), entry->pfn, 540 entry->dev_addr, entry->size, > 541 cln, dir2name[entry->direction], 542 maperr2str[entry->map_err_type]); 543 } 544 } 545 spin_unlock_irqrestore(&bucket->lock, flags); 546 547 cond_resched(); 548 } 549 } 550 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests