Hi Keith, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on next-20241211] [cannot apply to brauner-vfs/vfs.all hch-configfs/for-next linus/master v6.13-rc2] [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/Keith-Busch/fs-add-a-write-stream-field-to-the-kiocb/20241211-080803 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20241210194722.1905732-11-kbusch%40meta.com patch subject: [PATCHv13 10/11] nvme: register fdp parameters with the block layer config: arm-randconfig-003-20241211 (https://download.01.org/0day-ci/archive/20241212/202412120111.L2w9GCZd-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 2dc22615fd46ab2566d0f26d5ba234ab12dc4bf8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241212/202412120111.L2w9GCZd-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/202412120111.L2w9GCZd-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/nvme/host/core.c:8: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/arm/include/asm/cacheflush.h:10: In file included from include/linux/mm.h:2223: 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_" | ~~~~~~~~~~~ ^ ~~~ >> drivers/nvme/host/core.c:2177:5: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 2176 | "failed to allocate %lu bytes for FDP config log\n", | ~~~ | %zu 2177 | size); | ^~~~ include/linux/dev_printk.h:156:70: note: expanded from macro 'dev_warn' 156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ drivers/nvme/host/core.c:2255:5: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat] 2254 | "failed to allocate %lu bytes for FDP io-mgmt\n", | ~~~ | %zu 2255 | size); | ^~~~ include/linux/dev_printk.h:156:70: note: expanded from macro 'dev_warn' 156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) | ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' 110 | _p_func(dev, fmt, ##__VA_ARGS__); \ | ~~~ ^~~~~~~~~~~ 3 warnings generated. vim +2177 drivers/nvme/host/core.c 2153 2154 static int nvme_query_fdp_granularity(struct nvme_ctrl *ctrl, 2155 struct nvme_ns_info *info, u8 fdp_idx) 2156 { 2157 struct nvme_fdp_config_log hdr, *h; 2158 struct nvme_fdp_config_desc *desc; 2159 size_t size = sizeof(hdr); 2160 int i, n, ret; 2161 void *log; 2162 2163 ret = nvme_get_log_lsi(ctrl, 0, NVME_LOG_FDP_CONFIGS, 0, 2164 NVME_CSI_NVM, &hdr, size, 0, info->endgid); 2165 if (ret) { 2166 dev_warn(ctrl->device, 2167 "FDP configs log header status:0x%x endgid:%x\n", ret, 2168 info->endgid); 2169 return ret; 2170 } 2171 2172 size = le32_to_cpu(hdr.sze); 2173 h = kzalloc(size, GFP_KERNEL); 2174 if (!h) { 2175 dev_warn(ctrl->device, 2176 "failed to allocate %lu bytes for FDP config log\n", > 2177 size); 2178 return -ENOMEM; 2179 } 2180 2181 ret = nvme_get_log_lsi(ctrl, 0, NVME_LOG_FDP_CONFIGS, 0, 2182 NVME_CSI_NVM, h, size, 0, info->endgid); 2183 if (ret) { 2184 dev_warn(ctrl->device, 2185 "FDP configs log status:0x%x endgid:%x\n", ret, 2186 info->endgid); 2187 goto out; 2188 } 2189 2190 n = le16_to_cpu(h->numfdpc) + 1; 2191 if (fdp_idx > n) { 2192 dev_warn(ctrl->device, "FDP index:%d out of range:%d\n", 2193 fdp_idx, n); 2194 /* Proceed without registering FDP streams */ 2195 ret = 0; 2196 goto out; 2197 } 2198 2199 log = h + 1; 2200 desc = log; 2201 for (i = 0; i < fdp_idx; i++) { 2202 log += le16_to_cpu(desc->dsze); 2203 desc = log; 2204 } 2205 2206 if (le32_to_cpu(desc->nrg) > 1) { 2207 dev_warn(ctrl->device, "FDP NRG > 1 not supported\n"); 2208 ret = 0; 2209 goto out; 2210 } 2211 2212 info->runs = le64_to_cpu(desc->runs); 2213 out: 2214 kfree(h); 2215 return ret; 2216 } 2217 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki