* [jgunthorpe:iommu_pages 8/20] drivers/iommu/iommu-pages.h:30:47: error: incomplete definition of type 'struct iommu_pages_list'
@ 2025-01-30 5:50 kernel test robot
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From: kernel test robot @ 2025-01-30 5:50 UTC (permalink / raw)
To: Jason Gunthorpe; +Cc: llvm, oe-kbuild-all
tree: https://github.com/jgunthorpe/linux iommu_pages
head: b21a333dd68ad1bca44a6a4ff61c91a9d43fba3a
commit: 68f020177fc5b024a95372c15ec6f8f6f192e410 [8/20] iommu/pages: Formalize the freelist API
config: um-defconfig (https://download.01.org/0day-ci/archive/20250130/202501301330.2iIypjer-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 19306351a2c45e266fa11b41eb1362b20b6ca56d)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250130/202501301330.2iIypjer-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/202501301330.2iIypjer-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from drivers/iommu/iommu-pages.c:6:
>> drivers/iommu/iommu-pages.h:14:38: warning: declaration of 'struct iommu_pages_list' will not be visible outside of this function [-Wvisibility]
14 | void iommu_put_pages_list_new(struct iommu_pages_list *list);
| ^
drivers/iommu/iommu-pages.h:27:48: warning: declaration of 'struct iommu_pages_list' will not be visible outside of this function [-Wvisibility]
27 | static inline void iommu_pages_list_add(struct iommu_pages_list *list,
| ^
>> drivers/iommu/iommu-pages.h:30:47: error: incomplete definition of type 'struct iommu_pages_list'
30 | list_add_tail(&virt_to_page(virt)->lru, &list->pages);
| ~~~~^
drivers/iommu/iommu-pages.h:27:48: note: forward declaration of 'struct iommu_pages_list'
27 | static inline void iommu_pages_list_add(struct iommu_pages_list *list,
| ^
drivers/iommu/iommu-pages.h:41:51: warning: declaration of 'struct iommu_pages_list' will not be visible outside of this function [-Wvisibility]
41 | static inline void iommu_pages_list_splice(struct iommu_pages_list *from,
| ^
drivers/iommu/iommu-pages.h:44:19: error: incomplete definition of type 'struct iommu_pages_list'
44 | list_splice(&from->pages, &to->pages);
| ~~~~^
drivers/iommu/iommu-pages.h:41:51: note: forward declaration of 'struct iommu_pages_list'
41 | static inline void iommu_pages_list_splice(struct iommu_pages_list *from,
| ^
drivers/iommu/iommu-pages.h:44:31: error: incomplete definition of type 'struct iommu_pages_list'
44 | list_splice(&from->pages, &to->pages);
| ~~^
drivers/iommu/iommu-pages.h:41:51: note: forward declaration of 'struct iommu_pages_list'
41 | static inline void iommu_pages_list_splice(struct iommu_pages_list *from,
| ^
drivers/iommu/iommu-pages.h:51:50: warning: declaration of 'struct iommu_pages_list' will not be visible outside of this function [-Wvisibility]
51 | static inline bool iommu_pages_list_empty(struct iommu_pages_list *list)
| ^
drivers/iommu/iommu-pages.h:53:25: error: incomplete definition of type 'struct iommu_pages_list'
53 | return list_empty(&list->pages);
| ~~~~^
drivers/iommu/iommu-pages.h:51:50: note: forward declaration of 'struct iommu_pages_list'
51 | static inline bool iommu_pages_list_empty(struct iommu_pages_list *list)
| ^
>> drivers/iommu/iommu-pages.c:75:38: warning: declaration of 'struct iommu_pages_list' will not be visible outside of this function [-Wvisibility]
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
drivers/iommu/iommu-pages.c:75:6: error: conflicting types for 'iommu_put_pages_list_new'
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
drivers/iommu/iommu-pages.h:14:6: note: previous declaration is here
14 | void iommu_put_pages_list_new(struct iommu_pages_list *list);
| ^
>> drivers/iommu/iommu-pages.c:79:40: error: incomplete definition of type 'struct iommu_pages_list'
79 | list_for_each_entry_safe(p, tmp, &list->pages, lru)
| ~~~~^
include/linux/list.h:857:30: note: expanded from macro 'list_for_each_entry_safe'
857 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~
include/linux/list.h:612:14: note: expanded from macro 'list_first_entry'
612 | list_entry((ptr)->next, type, member)
| ^~~
include/linux/list.h:601:15: note: expanded from macro 'list_entry'
601 | container_of(ptr, type, member)
| ^~~
include/linux/container_of.h:19:26: note: expanded from macro 'container_of'
19 | void *__mptr = (void *)(ptr); \
| ^~~
drivers/iommu/iommu-pages.c:75:38: note: forward declaration of 'struct iommu_pages_list'
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
>> drivers/iommu/iommu-pages.c:79:40: error: incomplete definition of type 'struct iommu_pages_list'
79 | list_for_each_entry_safe(p, tmp, &list->pages, lru)
| ~~~~^
include/linux/list.h:857:30: note: expanded from macro 'list_for_each_entry_safe'
857 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~
include/linux/list.h:612:14: note: expanded from macro 'list_first_entry'
612 | list_entry((ptr)->next, type, member)
| ^~~
include/linux/list.h:601:15: note: expanded from macro 'list_entry'
601 | container_of(ptr, type, member)
| ^~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:483:63: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~
include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
drivers/iommu/iommu-pages.c:75:38: note: forward declaration of 'struct iommu_pages_list'
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
>> drivers/iommu/iommu-pages.c:79:40: error: incomplete definition of type 'struct iommu_pages_list'
79 | list_for_each_entry_safe(p, tmp, &list->pages, lru)
| ~~~~^
include/linux/list.h:857:30: note: expanded from macro 'list_for_each_entry_safe'
857 | for (pos = list_first_entry(head, typeof(*pos), member), \
| ^~~~
include/linux/list.h:612:14: note: expanded from macro 'list_first_entry'
612 | list_entry((ptr)->next, type, member)
| ^~~
include/linux/list.h:601:15: note: expanded from macro 'list_entry'
601 | container_of(ptr, type, member)
| ^~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:483:63: note: expanded from macro '__same_type'
483 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^
include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert'
77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
| ^~~~
include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
drivers/iommu/iommu-pages.c:75:38: note: forward declaration of 'struct iommu_pages_list'
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
>> drivers/iommu/iommu-pages.c:79:40: error: incomplete definition of type 'struct iommu_pages_list'
79 | list_for_each_entry_safe(p, tmp, &list->pages, lru)
| ~~~~^
include/linux/list.h:859:32: note: expanded from macro 'list_for_each_entry_safe'
859 | !list_entry_is_head(pos, head, member); \
| ^~~~
include/linux/list.h:761:30: note: expanded from macro 'list_entry_is_head'
761 | list_is_head(&pos->member, (head))
| ^~~~
drivers/iommu/iommu-pages.c:75:38: note: forward declaration of 'struct iommu_pages_list'
75 | void iommu_put_pages_list_new(struct iommu_pages_list *list)
| ^
5 warnings and 9 errors generated.
vim +30 drivers/iommu/iommu-pages.h
11
12 void *iommu_alloc_pages_node(int nid, gfp_t gfp, unsigned int order);
13 void iommu_free_page(void *virt);
> 14 void iommu_put_pages_list_new(struct iommu_pages_list *list);
15 void iommu_put_pages_list_old(struct list_head *head);
16
17 #define iommu_put_pages_list(head) \
18 _Generic(head, \
19 struct iommu_pages_list *: iommu_put_pages_list_new, \
20 struct list_head *: iommu_put_pages_list_old)(head)
21
22 /**
23 * iommu_pages_list_add - add the page to a iommu_pages_list
24 * @list: List to add the page to
25 * @virt: Address returned from iommu_alloc_pages_node()
26 */
27 static inline void iommu_pages_list_add(struct iommu_pages_list *list,
28 void *virt)
29 {
> 30 list_add_tail(&virt_to_page(virt)->lru, &list->pages);
31 }
32
--
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2025-01-30 5:50 [jgunthorpe:iommu_pages 8/20] drivers/iommu/iommu-pages.h:30:47: error: incomplete definition of type 'struct iommu_pages_list' kernel test robot
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