Hi Xianting, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on block/for-next] [also build test WARNING on linux/master linus/master v5.9-rc2 next-20200821] [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] url: https://github.com/0day-ci/linux/commits/Xianting-Tian/blk-mq-use-BLK_MQ_NO_TAG-for-no-tag/20200824-012255 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next config: mips-randconfig-r031-20200823 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b587ca93be114d07ec3bf654add97d7872325281) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/scsi/dpt_i2o.c:62: In file included from include/scsi/scsi_cmnd.h:13: In file included from include/scsi/scsi_request.h:5: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' >> drivers/scsi/dpt_i2o.c:893:31: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/dpt_i2o.c:893:31: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/dpt_i2o.c:893:31: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ 3 warnings and 3 errors generated. -- In file included from drivers/scsi/hpsa.c:39: In file included from include/scsi/scsi_cmnd.h:13: In file included from include/scsi/scsi_request.h:5: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' >> drivers/scsi/hpsa.c:8713:32: warning: shift count >= width of type [-Wshift-count-overflow] rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 3 errors generated. -- In file included from drivers/scsi/3w-9xxx.c:97: In file included from include/scsi/scsi_host.h:11: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' >> drivers/scsi/3w-9xxx.c:2023:49: warning: shift count >= width of type [-Wshift-count-overflow] retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ drivers/scsi/3w-9xxx.c:2245:49: warning: shift count >= width of type [-Wshift-count-overflow] retval = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 2 warnings and 3 errors generated. -- In file included from drivers/scsi/arcmsr/arcmsr_hba.c:65: In file included from include/scsi/scsi_host.h:11: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' >> drivers/scsi/arcmsr/arcmsr_hba.c:930:34: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pcidev->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/arcmsr/arcmsr_hba.c:930:34: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pcidev->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/arcmsr/arcmsr_hba.c:930:34: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask(&pcidev->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:932:43: warning: shift count >= width of type [-Wshift-count-overflow] if (dma_set_coherent_mask(&pcidev->dev, DMA_BIT_MASK(64)) || ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:933:47: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64))) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:932:43: warning: shift count >= width of type [-Wshift-count-overflow] if (dma_set_coherent_mask(&pcidev->dev, DMA_BIT_MASK(64)) || ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:933:47: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64))) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:932:43: warning: shift count >= width of type [-Wshift-count-overflow] if (dma_set_coherent_mask(&pcidev->dev, DMA_BIT_MASK(64)) || ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ drivers/scsi/arcmsr/arcmsr_hba.c:933:47: warning: shift count >= width of type [-Wshift-count-overflow] dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64))) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ 9 warnings and 3 errors generated. -- In file included from drivers/scsi/ufs/ufshcd.c:18: In file included from drivers/scsi/ufs/ufshcd.h:41: In file included from include/scsi/scsi_cmnd.h:13: In file included from include/scsi/scsi_request.h:5: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' In file included from drivers/scsi/ufs/ufshcd.c:28: In file included from include/trace/events/ufs.h:313: In file included from include/trace/define_trace.h:102: In file included from include/trace/trace_events.h:21: In file included from include/linux/trace_events.h:6: In file included from include/linux/ring_buffer.h:7: include/linux/poll.h:142:27: warning: division by zero is undefined [-Wdivision-by-zero] M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | ^~~~~~~~~ include/linux/poll.h:140:32: note: expanded from macro 'M' #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:126:51: note: expanded from macro '__MAP' (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) ^ ~~~~~~~~~ include/linux/poll.h:142:39: warning: division by zero is undefined [-Wdivision-by-zero] M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | ^~~~~~~~~ include/linux/poll.h:140:32: note: expanded from macro 'M' #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:126:51: note: expanded from macro '__MAP' (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) ^ ~~~~~~~~~ >> drivers/scsi/ufs/ufshcd.c:8711:44: warning: shift count >= width of type [-Wshift-count-overflow] if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/ufs/ufshcd.c:8711:44: warning: shift count >= width of type [-Wshift-count-overflow] if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ^~~~ >> drivers/scsi/ufs/ufshcd.c:8711:44: warning: shift count >= width of type [-Wshift-count-overflow] if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64))) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ include/linux/compiler.h:56:47: note: expanded from macro 'if' #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var' #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) ~~~~~~~~~~~~~~~~~^~~~~ include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value' (cond) ? \ ^~~~ 5 warnings and 3 errors generated. -- In file included from drivers/block/skd_main.c:17: include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' if (rq->tag != BLK_MQ_NO_TAG) ^ include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' include/linux/blk-mq.h:572:17: error: use of undeclared identifier 'BLK_MQ_NO_TAG' >> drivers/block/skd_main.c:3183:45: warning: shift count >= width of type [-Wshift-count-overflow] rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ drivers/block/skd_main.c:3372:45: warning: shift count >= width of type [-Wshift-count-overflow] rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 2 warnings and 3 errors generated. .. # https://github.com/0day-ci/linux/commit/3f57d0952e89e23c6c5b65b816d3f0a9c9747583 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Xianting-Tian/blk-mq-use-BLK_MQ_NO_TAG-for-no-tag/20200824-012255 git checkout 3f57d0952e89e23c6c5b65b816d3f0a9c9747583 vim +893 drivers/scsi/dpt_i2o.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 864 ^1da177e4c3f41 Linus Torvalds 2005-04-16 865 adpt_hba* pHba = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 866 adpt_hba* p = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 867 ulong base_addr0_phys = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 868 ulong base_addr1_phys = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 869 u32 hba_map0_area_size = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 870 u32 hba_map1_area_size = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 871 void __iomem *base_addr_virt = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 872 void __iomem *msg_addr_virt = NULL; 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 873 int dma64 = 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 874 ^1da177e4c3f41 Linus Torvalds 2005-04-16 875 int raptorFlag = FALSE; ^1da177e4c3f41 Linus Torvalds 2005-04-16 876 ^1da177e4c3f41 Linus Torvalds 2005-04-16 877 if(pci_enable_device(pDev)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 878 return -EINVAL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 879 } 9638d89a75776a Salyzyn, Mark 2006-01-12 880 9638d89a75776a Salyzyn, Mark 2006-01-12 881 if (pci_request_regions(pDev, "dpt_i2o")) { 9638d89a75776a Salyzyn, Mark 2006-01-12 882 PERROR("dpti: adpt_config_hba: pci request region failed\n"); 9638d89a75776a Salyzyn, Mark 2006-01-12 883 return -EINVAL; 9638d89a75776a Salyzyn, Mark 2006-01-12 884 } 9638d89a75776a Salyzyn, Mark 2006-01-12 885 ^1da177e4c3f41 Linus Torvalds 2005-04-16 886 pci_set_master(pDev); 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 887 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 888 /* 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 889 * See if we should enable dma64 mode. 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 890 */ 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 891 if (sizeof(dma_addr_t) > 4 && c79cd9a24ef71c Christoph Hellwig 2018-10-18 892 dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32) && c79cd9a24ef71c Christoph Hellwig 2018-10-18 @893 dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0) 62ac5aedc51485 Miquel van Smoorenburg 2008-05-02 894 dma64 = 1; c79cd9a24ef71c Christoph Hellwig 2018-10-18 895 c79cd9a24ef71c Christoph Hellwig 2018-10-18 896 if (!dma64 && dma_set_mask(&pDev->dev, DMA_BIT_MASK(32)) != 0) ^1da177e4c3f41 Linus Torvalds 2005-04-16 897 return -EINVAL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 898 67af2b060e027c Miquel van Smoorenburg 2008-05-02 899 /* adapter only supports message blocks below 4GB */ c79cd9a24ef71c Christoph Hellwig 2018-10-18 900 dma_set_coherent_mask(&pDev->dev, DMA_BIT_MASK(32)); 67af2b060e027c Miquel van Smoorenburg 2008-05-02 901 ^1da177e4c3f41 Linus Torvalds 2005-04-16 902 base_addr0_phys = pci_resource_start(pDev,0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 903 hba_map0_area_size = pci_resource_len(pDev,0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 904 ^1da177e4c3f41 Linus Torvalds 2005-04-16 905 // Check if standard PCI card or single BAR Raptor ^1da177e4c3f41 Linus Torvalds 2005-04-16 906 if(pDev->device == PCI_DPT_DEVICE_ID){ ^1da177e4c3f41 Linus Torvalds 2005-04-16 907 if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){ ^1da177e4c3f41 Linus Torvalds 2005-04-16 908 // Raptor card with this device id needs 4M ^1da177e4c3f41 Linus Torvalds 2005-04-16 909 hba_map0_area_size = 0x400000; ^1da177e4c3f41 Linus Torvalds 2005-04-16 910 } else { // Not Raptor - it is a PCI card ^1da177e4c3f41 Linus Torvalds 2005-04-16 911 if(hba_map0_area_size > 0x100000 ){ ^1da177e4c3f41 Linus Torvalds 2005-04-16 912 hba_map0_area_size = 0x100000; ^1da177e4c3f41 Linus Torvalds 2005-04-16 913 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 914 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 915 } else {// Raptor split BAR config ^1da177e4c3f41 Linus Torvalds 2005-04-16 916 // Use BAR1 in this configuration ^1da177e4c3f41 Linus Torvalds 2005-04-16 917 base_addr1_phys = pci_resource_start(pDev,1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 918 hba_map1_area_size = pci_resource_len(pDev,1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 919 raptorFlag = TRUE; ^1da177e4c3f41 Linus Torvalds 2005-04-16 920 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 921 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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