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Message-ID: <202308171055.NJBXQriP-lkp@intel.com>
Date: Thu, 17 Aug 2023 10:48:39 +0800
From: kernel test robot <lkp@...el.com>
To: Yonghong Song <yhs@...com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Alexei Starovoitov <ast@...nel.org>
Subject: kernel/bpf/helpers.c:1882:7: warning: no previous declaration for
'bpf_cast_to_kern_ctx'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4853c74bd7ab7fdb83f319bd9ace8a08c031e9b6
commit: fd264ca020948a743e4c36731dfdecc4a812153c bpf: Add a kfunc to type cast from bpf uapi ctx to kernel ctx
date: 9 months ago
config: x86_64-randconfig-x012-20230816 (https://download.01.org/0day-ci/archive/20230817/202308171055.NJBXQriP-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171055.NJBXQriP-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308171055.NJBXQriP-lkp@intel.com/
All warnings (new ones prefixed by >>):
kernel/bpf/helpers.c:1757:7: warning: no previous declaration for 'bpf_obj_new_impl' [-Wmissing-declarations]
void *bpf_obj_new_impl(u64 local_type_id__k, void *meta__ign)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1771:6: warning: no previous declaration for 'bpf_obj_drop_impl' [-Wmissing-declarations]
void bpf_obj_drop_impl(void *p__alloc, void *meta__ign)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1792:6: warning: no previous declaration for 'bpf_list_push_front' [-Wmissing-declarations]
void bpf_list_push_front(struct bpf_list_head *head, struct bpf_list_node *node)
^~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1797:6: warning: no previous declaration for 'bpf_list_push_back' [-Wmissing-declarations]
void bpf_list_push_back(struct bpf_list_head *head, struct bpf_list_node *node)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1815:23: warning: no previous declaration for 'bpf_list_pop_front' [-Wmissing-declarations]
struct bpf_list_node *bpf_list_pop_front(struct bpf_list_head *head)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1820:23: warning: no previous declaration for 'bpf_list_pop_back' [-Wmissing-declarations]
struct bpf_list_node *bpf_list_pop_back(struct bpf_list_head *head)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1831:21: warning: no previous declaration for 'bpf_task_acquire' [-Wmissing-declarations]
struct task_struct *bpf_task_acquire(struct task_struct *p)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1843:21: warning: no previous declaration for 'bpf_task_kptr_get' [-Wmissing-declarations]
struct task_struct *bpf_task_kptr_get(struct task_struct **pp)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1874:6: warning: no previous declaration for 'bpf_task_release' [-Wmissing-declarations]
void bpf_task_release(struct task_struct *p)
^~~~~~~~~~~~~~~~
>> kernel/bpf/helpers.c:1882:7: warning: no previous declaration for 'bpf_cast_to_kern_ctx' [-Wmissing-declarations]
void *bpf_cast_to_kern_ctx(void *obj)
^~~~~~~~~~~~~~~~~~~~
vim +/bpf_cast_to_kern_ctx +1882 kernel/bpf/helpers.c
1881
> 1882 void *bpf_cast_to_kern_ctx(void *obj)
1883 {
1884 return obj;
1885 }
1886
--
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https://github.com/intel/lkp-tests/wiki
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