* [tinazhangzw:per-iommu_IOTLB_invalidation 9/14] include/linux/iommu.h:117:24: error: field has incomplete type 'struct mmu_notifier'
@ 2023-09-25 11:35 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-09-25 11:35 UTC (permalink / raw)
To: Tina Zhang; +Cc: llvm, oe-kbuild-all
tree: https://github.com/TinaZhangZW/linux.git per-iommu_IOTLB_invalidation
head: c5144840fce67da51a43d9b6ef05b4b344f5786f
commit: fa8b08eb650d3a32f2190224035305d113bbea75 [9/14] iommu: Add mmu_notifier to iommu_domain
config: um-allnoconfig (https://download.01.org/0day-ci/archive/20230925/202309251937.zHCduPla-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230925/202309251937.zHCduPla-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309251937.zHCduPla-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from mm/init-mm.c:13:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from mm/init-mm.c:13:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from mm/init-mm.c:13:
In file included from include/linux/iommu.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from mm/init-mm.c:13:
>> include/linux/iommu.h:117:24: error: field has incomplete type 'struct mmu_notifier'
117 | struct mmu_notifier notifier;
| ^
include/linux/iommu.h:117:11: note: forward declaration of 'struct mmu_notifier'
117 | struct mmu_notifier notifier;
| ^
12 warnings and 1 error generated.
vim +117 include/linux/iommu.h
94
95 struct iommu_domain {
96 unsigned type;
97 const struct iommu_domain_ops *ops;
98 unsigned long pgsize_bitmap; /* Bitmap of page sizes in use */
99 struct iommu_domain_geometry geometry;
100 struct iommu_dma_cookie *iova_cookie;
101 enum iommu_page_response_code (*iopf_handler)(struct iommu_fault *fault,
102 void *data);
103 void *fault_data;
104 union {
105 struct {
106 iommu_fault_handler_t handler;
107 void *handler_token;
108 };
109 struct { /* IOMMU_DOMAIN_SVA */
110 struct mm_struct *mm;
111 int users;
112 /*
113 * Next iommu_domain in mm->iommu_mm->sva-domains list
114 * protected by iommu_sva_lock.
115 */
116 struct list_head next;
> 117 struct mmu_notifier notifier;
118 };
119 };
120 };
121
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-09-25 11:35 [tinazhangzw:per-iommu_IOTLB_invalidation 9/14] include/linux/iommu.h:117:24: error: field has incomplete type 'struct mmu_notifier' kernel test robot
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