Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on s390/features] [also build test ERROR on linus/master v6.11-rc5 next-20240826] [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/Matthew-Rosato/iommu-s390-Implement-blocking-domain/20240826-163744 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/r/20240823203108.304054-1-mjrosato%40linux.ibm.com patch subject: [PATCH v3] iommu/s390: Implement blocking domain config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240827/202408271011.SsRB0mow-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 08e5a1de8227512d4774a534b91cb2353cef6284) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240827/202408271011.SsRB0mow-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/202408271011.SsRB0mow-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/iommu/s390-iommu.c:9: In file included from include/linux/pci.h:37: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2228: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/iommu/s390-iommu.c:9: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/iommu/s390-iommu.c:9: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/iommu/s390-iommu.c:9: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/iommu/s390-iommu.c:707:2: error: member reference type 'spinlock_t' (aka 'struct spinlock') is not a pointer; did you mean to use '.'? 707 | lockdep_assert_held(zdev->dom_lock); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lockdep.h:285:17: note: expanded from macro 'lockdep_assert_held' 285 | lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD) | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lockdep.h:252:52: note: expanded from macro 'lockdep_is_held' 252 | #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map) | ^ include/linux/lockdep.h:279:32: note: expanded from macro 'lockdep_assert' 279 | do { WARN_ON(debug_locks && !(cond)); } while (0) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ arch/s390/include/asm/bug.h:54:25: note: expanded from macro 'WARN_ON' 54 | int __ret_warn_on = !!(x); \ | ^ >> drivers/iommu/s390-iommu.c:707:2: error: cannot take the address of an rvalue of type 'struct lockdep_map' 707 | lockdep_assert_held(zdev->dom_lock); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lockdep.h:285:17: note: expanded from macro 'lockdep_assert_held' 285 | lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD) | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/lockdep.h:252:45: note: expanded from macro 'lockdep_is_held' 252 | #define lockdep_is_held(lock) lock_is_held(&(lock)->dep_map) | ^ include/linux/lockdep.h:279:32: note: expanded from macro 'lockdep_assert' 279 | do { WARN_ON(debug_locks && !(cond)); } while (0) | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ arch/s390/include/asm/bug.h:54:25: note: expanded from macro 'WARN_ON' 54 | int __ret_warn_on = !!(x); \ | ^ 17 warnings and 2 errors generated. vim +707 drivers/iommu/s390-iommu.c 702 703 struct zpci_iommu_ctrs *zpci_get_iommu_ctrs(struct zpci_dev *zdev) 704 { 705 struct s390_domain *s390_domain; 706 > 707 lockdep_assert_held(zdev->dom_lock); 708 709 if (zdev->s390_domain->type == IOMMU_DOMAIN_BLOCKED) 710 return NULL; 711 712 s390_domain = to_s390_domain(zdev->s390_domain); 713 return &s390_domain->ctrs; 714 } 715 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
