Hi "Matthew, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on linux/master] [also build test WARNING on linus/master hnaz-linux-mm/master v5.12-rc6 next-20210407] [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/Matthew-Wilcox-Oracle/Add-split_... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5e46d1b78a03d52306f21f77a4e4a144b6d31486 config: x86_64-randconfig-a011-20210408 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 56ea2e2fdd691136d5e6631fa0e447173694b82c) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/0day-ci/linux/commit/31f96279760e4e4a2abf1d397e5c85fca... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Add-split_lock/20210408-132535 git checkout 31f96279760e4e4a2abf1d397e5c85fca955d908 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/infiniband/hw/hfi1/pcie.c:55: In file included from drivers/infiniband/hw/hfi1/hfi.h:71: include/linux/rhashtable.h:330:39: error: too few arguments to function call, expected 3, have 2 bit_spin_lock(0, (unsigned long *)bkt); ~~~~~~~~~~~~~ ^ include/linux/bit_spinlock.h:17:20: note: 'bit_spin_lock' declared here static inline void bit_spin_lock(int bitnum, unsigned long *addr, ^ In file included from drivers/infiniband/hw/hfi1/pcie.c:55: In file included from drivers/infiniband/hw/hfi1/hfi.h:71: include/linux/rhashtable.h:339:42: error: too few arguments to function call, expected 3, have 2 bit_spin_lock(0, (unsigned long *)bucket); ~~~~~~~~~~~~~ ^ include/linux/bit_spinlock.h:17:20: note: 'bit_spin_lock' declared here static inline void bit_spin_lock(int bitnum, unsigned long *addr, ^ In file included from drivers/infiniband/hw/hfi1/pcie.c:55: In file included from drivers/infiniband/hw/hfi1/hfi.h:71: include/linux/rhashtable.h:347:41: error: too few arguments to function call, expected 3, have 2 bit_spin_unlock(0, (unsigned long *)bkt); ~~~~~~~~~~~~~~~ ^ include/linux/bit_spinlock.h:50:20: note: 'bit_spin_unlock' declared here static inline void bit_spin_unlock(int bitnum, unsigned long *addr, ^ ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ drivers/infiniband/hw/hfi1/pcie.c:109:43: warning: shift count >= width of type [-Wshift-count-overflow] ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 2 warnings and 3 errors generated. vim +95 drivers/infiniband/hw/hfi1/pcie.c 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 58 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 59 /* 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 60 * This file contains PCIe utility routines. 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 61 */ 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 62 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 63 /* 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 64 * Do all the common PCIe setup and initialization. 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 65 */ 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 66 int hfi1_pcie_init(struct hfi1_devdata *dd) 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 67 { 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 68 int ret; 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 69 struct pci_dev *pdev = dd->pcidev; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 70 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 71 ret = pci_enable_device(pdev); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 72 if (ret) { 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 73 /* 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 74 * This can happen (in theory) iff: 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 75 * We did a chip reset, and then failed to reprogram the 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 76 * BAR, or the chip reset due to an internal error. We then 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 77 * unloaded the driver and reloaded it. 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 78 * 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 79 * Both reset cases set the BAR back to initial state. For 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 80 * the latter case, the AER sticky error bit at offset 0x718 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 81 * should be set, but the Linux kernel doesn't yet know 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 82 * about that, it appears. If the original BAR was retained 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 83 * in the kernel data structures, this may be OK. 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 84 */ 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 85 dd_dev_err(dd, "pci enable failed: error %d\n", -ret); 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 86 return ret; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 87 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 88 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 89 ret = pci_request_regions(pdev, DRIVER_NAME); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 90 if (ret) { 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 91 dd_dev_err(dd, "pci_request_regions fails: err %d\n", -ret); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 92 goto bail; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 93 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 94 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 @95 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 96 if (ret) { 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 97 /* 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 98 * If the 64 bit setup fails, try 32 bit. Some systems 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 99 * do not setup 64 bit maps on systems with 2GB or less 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 100 * memory installed. 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 101 */ 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 102 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 103 if (ret) { 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 104 dd_dev_err(dd, "Unable to set DMA mask: %d\n", ret); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 105 goto bail; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 106 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 107 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); e490974e675e8d drivers/staging/rdma/hfi1/pcie.c Jubin John 2016-02-14 108 } else { 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 109 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); e490974e675e8d drivers/staging/rdma/hfi1/pcie.c Jubin John 2016-02-14 110 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 111 if (ret) { 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 112 dd_dev_err(dd, "Unable to set DMA consistent mask: %d\n", ret); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 113 goto bail; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 114 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 115 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 116 pci_set_master(pdev); 0096765be01926 drivers/staging/rdma/hfi1/pcie.c Dean Luick 2016-02-03 117 (void)pci_enable_pcie_error_reporting(pdev); 57f97e96625fe8 drivers/infiniband/hw/hfi1/pcie.c Michael J. Ruhl 2018-08-15 118 return 0; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 119 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 120 bail: 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 121 hfi1_pcie_cleanup(pdev); 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 122 return ret; 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 123 } 7724105686e718 drivers/staging/rdma/hfi1/pcie.c Mike Marciniszyn 2015-07-30 124 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org