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Date: Thu, 6 Apr 2023 07:03:39 +0800
From: kernel test robot <lkp@...el.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Alexei Starovoitov <ast@...nel.org>
Subject: tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:131:14:
warning: no previous prototype for 'bpf_testmod_fentry_test1'
Hi Jiri,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 99ddf2254febae9eab7fb0bcc02c5322243f5c49
commit: fee356ede980b6c2c8db612e18b25738356d6744 selftests/bpf: Add bpf_testmod_fentry_* functions
date: 5 months ago
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fee356ede980b6c2c8db612e18b25738356d6744
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout fee356ede980b6c2c8db612e18b25738356d6744
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@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304060622.P2hBPE4g-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:81:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_user_1' [-Wmissing-prototypes]
81 | 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:89:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_user_2' [-Wmissing-prototypes]
89 | 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:94:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_percpu_1' [-Wmissing-prototypes]
94 | 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:99:1: warning: no previous prototype for 'bpf_testmod_test_btf_type_tag_percpu_2' [-Wmissing-prototypes]
99 | 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:103:14: warning: no previous prototype for 'bpf_testmod_loop_test' [-Wmissing-prototypes]
103 | noinline int bpf_testmod_loop_test(int n)
| ^~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:115:30: warning: no previous prototype for 'bpf_testmod_return_ptr' [-Wmissing-prototypes]
115 | __weak noinline struct file *bpf_testmod_return_ptr(int arg)
| ^~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:131:14: warning: no previous prototype for 'bpf_testmod_fentry_test1' [-Wmissing-prototypes]
131 | noinline int bpf_testmod_fentry_test1(int a)
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:136:14: warning: no previous prototype for 'bpf_testmod_fentry_test2' [-Wmissing-prototypes]
136 | noinline int bpf_testmod_fentry_test2(int a, u64 b)
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:141:14: warning: no previous prototype for 'bpf_testmod_fentry_test3' [-Wmissing-prototypes]
141 | noinline int bpf_testmod_fentry_test3(char a, int b, u64 c)
| ^~~~~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:149:1: warning: no previous prototype for 'bpf_testmod_test_read' [-Wmissing-prototypes]
149 | bpf_testmod_test_read(struct file *file, struct kobject *kobj,
| ^~~~~~~~~~~~~~~~~~~~~
tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c:200:1: warning: no previous prototype for 'bpf_testmod_test_write' [-Wmissing-prototypes]
200 | bpf_testmod_test_write(struct file *file, struct kobject *kobj,
| ^~~~~~~~~~~~~~~~~~~~~~
vim +/bpf_testmod_fentry_test1 +131 tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
130
> 131 noinline int bpf_testmod_fentry_test1(int a)
132 {
133 return a + 1;
134 }
135
> 136 noinline int bpf_testmod_fentry_test2(int a, u64 b)
137 {
138 return a + b;
139 }
140
> 141 noinline int bpf_testmod_fentry_test3(char a, int b, u64 c)
142 {
143 return a + b + c;
144 }
145
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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