From: kernel test robot <lkp@intel.com>
To: Andrii Nakryiko <andrii@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Alexei Starovoitov <ast@kernel.org>
Subject: [linux-next:master 1636/9787] tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:68:17: warning: no previous prototype for 'bpf_iter_testmod_seq_new'
Date: Sat, 8 Apr 2023 09:45:42 +0800 [thread overview]
Message-ID: <202304080951.l14IDv3n-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: e134c93f788fb93fd6a3ec3af9af850a2048c7e6
commit: 7e86a8c4ac8d5dcf7dd58f5a4779d1a6ff0a827d [1636/9787] selftests/bpf: implement and test custom testmod_seq iterator
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7e86a8c4ac8d5dcf7dd58f5a4779d1a6ff0a827d
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 7e86a8c4ac8d5dcf7dd58f5a4779d1a6ff0a827d
make O=/tmp/kselftest headers
make O=/tmp/kselftest -C tools/testing/selftests
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304080951.l14IDv3n-lkp@intel.com/
All warnings (new ones prefixed by >>):
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:32:1: warning: no previous prototype for 'bpf_testmod_test_struct_arg_1' [-Wmissing-prototypes]
32 | bpf_testmod_test_struct_arg_1(struct bpf_testmod_struct_arg_2 a, int b, int c) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:38:1: warning: no previous prototype for 'bpf_testmod_test_struct_arg_2' [-Wmissing-prototypes]
38 | bpf_testmod_test_struct_arg_2(int a, struct bpf_testmod_struct_arg_2 b, int c) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:44:1: warning: no previous prototype for 'bpf_testmod_test_struct_arg_3' [-Wmissing-prototypes]
44 | bpf_testmod_test_struct_arg_3(int a, int b, struct bpf_testmod_struct_arg_2 c) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:50:1: warning: no previous prototype for 'bpf_testmod_test_struct_arg_4' [-Wmissing-prototypes]
50 | bpf_testmod_test_struct_arg_4(struct bpf_testmod_struct_arg_1 a, int b,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:57:1: warning: no previous prototype for 'bpf_testmod_test_struct_arg_5' [-Wmissing-prototypes]
57 | bpf_testmod_test_struct_arg_5(void) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:63:1: warning: no previous prototype for 'bpf_testmod_test_mod_kfunc' [-Wmissing-prototypes]
63 | bpf_testmod_test_mod_kfunc(int i)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:68:17: warning: no previous prototype for 'bpf_iter_testmod_seq_new' [-Wmissing-prototypes]
68 | __bpf_kfunc int bpf_iter_testmod_seq_new(struct bpf_iter_testmod_seq *it, s64 value, int cnt)
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:81:18: warning: no previous prototype for 'bpf_iter_testmod_seq_next' [-Wmissing-prototypes]
81 | __bpf_kfunc s64 *bpf_iter_testmod_seq_next(struct bpf_iter_testmod_seq* it)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:91:18: warning: no previous prototype for 'bpf_iter_testmod_seq_destroy' [-Wmissing-prototypes]
91 | __bpf_kfunc void bpf_iter_testmod_seq_destroy(struct bpf_iter_testmod_seq *it)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:109:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_user_1' [-Wmissing-prototypes]
109 | bpf_testmod_test_btf_type_tag_user_1(struct bpf_testmod_btf_type_tag_1 __user *arg) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:117:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_user_2' [-Wmissing-prototypes]
117 | bpf_testmod_test_btf_type_tag_user_2(struct bpf_testmod_btf_type_tag_2 *arg) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:122:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_percpu_1' [-Wmissing-prototypes]
122 | bpf_testmod_test_btf_type_tag_percpu_1(struct bpf_testmod_btf_type_tag_1 __percpu *arg) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:127:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_percpu_2' [-Wmissing-prototypes]
127 | bpf_testmod_test_btf_type_tag_percpu_2(struct bpf_testmod_btf_type_tag_3 *arg) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:131:14: warning: no previous prototype for 'bpf_testmod_loop_test' [-Wmissing-prototypes]
131 | noinline int bpf_testmod_loop_test(int n)
| ^~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:143:30: warning: no previous prototype for 'bpf_testmod_return_ptr' [-Wmissing-prototypes]
143 | __weak noinline struct file *bpf_testmod_return_ptr(int arg)
| ^~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:159:14: warning: no previous prototype for 'bpf_testmod_fentry_test1' [-Wmissing-prototypes]
159 | noinline int bpf_testmod_fentry_test1(int a)
| ^~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:164:14: warning: no previous prototype for 'bpf_testmod_fentry_test2' [-Wmissing-prototypes]
164 | noinline int bpf_testmod_fentry_test2(int a, u64 b)
| ^~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:169:14: warning: no previous prototype for 'bpf_testmod_fentry_test3' [-Wmissing-prototypes]
169 | noinline int bpf_testmod_fentry_test3(char a, int b, u64 c)
| ^~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:177:1: warning: no previous prototype for 'bpf_testmod_test_read' [-Wmissing-prototypes]
177 | bpf_testmod_test_read(struct file *file, struct kobject *kobj,
| ^~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:228:1: warning: no previous prototype for 'bpf_testmod_test_write' [-Wmissing-prototypes]
228 | bpf_testmod_test_write(struct file *file, struct kobject *kobj,
| ^~~~~~~~~~~~~~~~~~~~~~
vim +/bpf_iter_testmod_seq_new +68 tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
67
> 68 __bpf_kfunc int bpf_iter_testmod_seq_new(struct bpf_iter_testmod_seq *it, s64 value, int cnt)
69 {
70 if (cnt < 0) {
71 it->cnt = 0;
72 return -EINVAL;
73 }
74
75 it->value = value;
76 it->cnt = cnt;
77
78 return 0;
79 }
80
> 81 __bpf_kfunc s64 *bpf_iter_testmod_seq_next(struct bpf_iter_testmod_seq* it)
82 {
83 if (it->cnt <= 0)
84 return NULL;
85
86 it->cnt--;
87
88 return &it->value;
89 }
90
> 91 __bpf_kfunc void bpf_iter_testmod_seq_destroy(struct bpf_iter_testmod_seq *it)
92 {
93 it->cnt = 0;
94 }
95
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
reply other threads:[~2023-04-08 1:46 UTC|newest]
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