Hi Tejun, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y head: 675cc038067f0e530471c56a7442935f84669d95 commit: a8bb7740aa313994bfa4c21cba399f65985a8a35 [974/2851] libata: implement ATA_HORKAGE_MAX_TRIM_128M and apply to Sandisks config: powerpc64-randconfig-r032-20210113 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.19.y git checkout a8bb7740aa313994bfa4c21cba399f65985a8a35 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): include/linux/log2.h:162:23: note: in definition of macro 'ilog2' 162 | __builtin_constant_p(n) ? \ | ^ In file included from include/scsi/scsi_cmnd.h:7, from drivers/ata/libata-scsi.c:43: include/linux/t10-pi.h:48:9: error: implicit declaration of function 'blk_rq_pos' [-Werror=implicit-function-declaration] 48 | return blk_rq_pos(rq) >> (shift - SECTOR_SHIFT) & 0xffffffff; | ^~~~~~~~~~ include/linux/t10-pi.h:48:36: error: 'SECTOR_SHIFT' undeclared (first use in this function); did you mean 'SOFTIRQ_SHIFT'? 48 | return blk_rq_pos(rq) >> (shift - SECTOR_SHIFT) & 0xffffffff; | ^~~~~~~~~~~~ | SOFTIRQ_SHIFT In file included from include/scsi/scsi_cmnd.h:12, from drivers/ata/libata-scsi.c:43: include/scsi/scsi_device.h: At top level: include/scsi/scsi_device.h:435:4: error: unknown type name 'req_flags_t'; did you mean 'vm_flags_t'? 435 | req_flags_t rq_flags, int *resid); | ^~~~~~~~~~~ | vm_flags_t include/scsi/scsi_device.h: In function 'scsi_execute_req': include/scsi/scsi_device.h:442:2: error: implicit declaration of function '__scsi_execute'; did you mean 'scsi_execute'? [-Werror=implicit-function-declaration] 442 | __scsi_execute(sdev, cmd, data_direction, buffer, bufflen, \ | ^~~~~~~~~~~~~~ include/scsi/scsi_device.h:451:9: note: in expansion of macro 'scsi_execute' 451 | return scsi_execute(sdev, cmd, data_direction, buffer, | ^~~~~~~~~~~~ In file included from drivers/ata/libata-scsi.c:43: include/scsi/scsi_cmnd.h: In function 'scsi_bidi_cmnd': include/scsi/scsi_cmnd.h:214:9: error: implicit declaration of function 'blk_bidi_rq' [-Werror=implicit-function-declaration] 214 | return blk_bidi_rq(cmd->request) && | ^~~~~~~~~~~ In file included from include/linux/writeback.h:13, from include/linux/memcontrol.h:31, from include/linux/swap.h:9, from include/linux/suspend.h:5, from drivers/ata/libata-scsi.c:51: include/linux/blk_types.h: At top level: include/linux/blk_types.h:29:22: error: conflicting types for 'blk_status_t' 29 | typedef u8 __bitwise blk_status_t; | ^~~~~~~~~~~~ In file included from include/scsi/scsi_host.h:11, from drivers/ata/libata-scsi.c:42: include/linux/blk-mq.h:100:9: note: previous declaration of 'blk_status_t' was here 100 | typedef blk_status_t (queue_rq_fn)(struct blk_mq_hw_ctx *, | ^~~~~~~~~~~~ drivers/ata/libata-scsi.c: In function 'ata_scsi_qc_new': drivers/ata/libata-scsi.c:871:32: error: 'RQF_QUIET' undeclared (first use in this function); did you mean 'BIO_QUIET'? 871 | if (cmd->request->rq_flags & RQF_QUIET) | ^~~~~~~~~ | BIO_QUIET In file included from include/asm-generic/bug.h:5, from arch/powerpc/include/asm/bug.h:128, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/gfp.h:5, from include/linux/slab.h:15, from drivers/ata/libata-scsi.c:36: drivers/ata/libata-scsi.c: In function 'atapi_drain_needed': drivers/ata/libata-scsi.c:1255:14: error: implicit declaration of function 'blk_rq_is_passthrough' [-Werror=implicit-function-declaration] 1255 | if (likely(!blk_rq_is_passthrough(rq))) | ^~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:76:40: note: in definition of macro 'likely' 76 | # define likely(x) __builtin_expect(!!(x), 1) | ^ drivers/ata/libata-scsi.c:1258:7: error: implicit declaration of function 'blk_rq_bytes' [-Werror=implicit-function-declaration] 1258 | if (!blk_rq_bytes(rq) || op_is_write(req_op(rq))) | ^~~~~~~~~~~~ drivers/ata/libata-scsi.c: In function 'ata_scsi_dev_config': drivers/ata/libata-scsi.c:1273:2: error: implicit declaration of function 'blk_queue_max_hw_sectors' [-Werror=implicit-function-declaration] 1273 | blk_queue_max_hw_sectors(q, dev->max_sectors); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1281:3: error: implicit declaration of function 'blk_queue_update_dma_pad' [-Werror=implicit-function-declaration] 1281 | blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1284:35: error: dereferencing pointer to incomplete type 'struct request_queue' 1284 | buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL); | ^~ drivers/ata/libata-scsi.c:1290:3: error: implicit declaration of function 'blk_queue_dma_drain' [-Werror=implicit-function-declaration] 1290 | blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN); | ^~~~~~~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1308:2: error: implicit declaration of function 'blk_queue_update_dma_alignment' [-Werror=implicit-function-declaration] 1308 | blk_queue_update_dma_alignment(q, sdev->sector_size - 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ata/libata-scsi.c:1321:2: error: implicit declaration of function 'blk_queue_flush_queueable' [-Werror=implicit-function-declaration] 1321 | blk_queue_flush_queueable(q, false); | ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/fs.h:39, from include/linux/huge_mm.h:8, from include/linux/mm.h:499, from include/linux/scatterlist.h:8, from include/scsi/scsi.h:10, from drivers/ata/libata-scsi.c:41: drivers/ata/libata-scsi.c: In function 'ata_scsi_rw_xlat': drivers/ata/libata-scsi.c:1844:32: error: implicit declaration of function 'req_get_ioprio' [-Werror=implicit-function-declaration] 1844 | int class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq)); | ^~~~~~~~~~~~~~ include/linux/ioprio.h:15:35: note: in definition of macro 'IOPRIO_PRIO_CLASS' 15 | #define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT) | ^~~~ drivers/ata/libata-scsi.c: In function 'ata_scsiop_inq_b0': 2423 | max_blocks = 128 << (20 - SECTOR_SHIFT); | ^~~~~~~~~~~~ | SOFTIRQ_SHIFT cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ATA Depends on HAS_IOMEM && BLOCK Selected by - AKEBONO && PPC_47x WARNING: unmet direct dependencies detected for NETDEVICES Depends on NET Selected by - AKEBONO && PPC_47x WARNING: unmet direct dependencies detected for ETHERNET Depends on NETDEVICES && NET Selected by - AKEBONO && PPC_47x WARNING: unmet direct dependencies detected for GRO_CELLS Depends on NET Selected by - RMNET && NETDEVICES && ETHERNET && NET_VENDOR_QUALCOMM WARNING: unmet direct dependencies detected for FAILOVER Depends on NET Selected by - NET_FAILOVER && NETDEVICES vim +2423 drivers/ata/libata-scsi.c 2391 2392 static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) 2393 { 2394 struct ata_device *dev = args->dev; 2395 u16 min_io_sectors; 2396 2397 rbuf[1] = 0xb0; 2398 rbuf[3] = 0x3c; /* required VPD size with unmap support */ 2399 2400 /* 2401 * Optimal transfer length granularity. 2402 * 2403 * This is always one physical block, but for disks with a smaller 2404 * logical than physical sector size we need to figure out what the 2405 * latter is. 2406 */ 2407 min_io_sectors = 1 << ata_id_log2_per_physical_sector(args->id); 2408 put_unaligned_be16(min_io_sectors, &rbuf[6]); 2409 2410 /* 2411 * Optimal unmap granularity. 2412 * 2413 * The ATA spec doesn't even know about a granularity or alignment 2414 * for the TRIM command. We can leave away most of the unmap related 2415 * VPD page entries, but we have specifify a granularity to signal 2416 * that we support some form of unmap - in thise case via WRITE SAME 2417 * with the unmap bit set. 2418 */ 2419 if (ata_id_has_trim(args->id)) { 2420 u64 max_blocks = 65535 * ATA_MAX_TRIM_RNUM; 2421 2422 if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) 2424 2425 put_unaligned_be64(max_blocks, &rbuf[36]); 2426 put_unaligned_be32(1, &rbuf[28]); 2427 } 2428 2429 return 0; 2430 } 2431 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org