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Message-ID: <202503191909.SHOCLBzK-lkp@intel.com>
Date: Wed, 19 Mar 2025 19:30:45 +0800
From: kernel test robot <lkp@...el.com>
To: Tony Ambardar <tony.ambardar@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Daniel Borkmann <daniel@...earbox.net>,
Jiri Olsa <jolsa@...nel.org>
Subject: net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 81e4f8d68c66da301bb881862735bd74c6241a19
commit: 7bdcedd5c8fb88e7176b93812b139eca5fe0aa46 bpf: Harden __bpf_kfunc tag against linker kfunc removal
date: 9 months ago
config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20250319/202503191909.SHOCLBzK-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503191909.SHOCLBzK-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/202503191909.SHOCLBzK-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored [-Wattributes]
511 | {
| ^
net/bpf/test_run.c:557:1: warning: 'retain' attribute ignored [-Wattributes]
557 | {
| ^
net/bpf/test_run.c:566:1: warning: 'retain' attribute ignored [-Wattributes]
566 | {
| ^
net/bpf/test_run.c:573:1: warning: 'retain' attribute ignored [-Wattributes]
573 | {
| ^
net/bpf/test_run.c:579:1: warning: 'retain' attribute ignored [-Wattributes]
579 | {
| ^
net/bpf/test_run.c:608:1: warning: 'retain' attribute ignored [-Wattributes]
608 | {
| ^
net/bpf/test_run.c:613:1: warning: 'retain' attribute ignored [-Wattributes]
613 | {
| ^
net/bpf/test_run.c:619:1: warning: 'retain' attribute ignored [-Wattributes]
619 | {
| ^
net/bpf/test_run.c:623:1: warning: 'retain' attribute ignored [-Wattributes]
623 | {
| ^
--
>> net/core/filter.c:11863:1: warning: 'retain' attribute ignored [-Wattributes]
11863 | {
| ^
net/core/filter.c:11876:1: warning: 'retain' attribute ignored [-Wattributes]
11876 | {
| ^
net/core/filter.c:11889:1: warning: 'retain' attribute ignored [-Wattributes]
11889 | {
| ^
net/core/filter.c:11910:1: warning: 'retain' attribute ignored [-Wattributes]
11910 | {
| ^
net/core/filter.c:12096:1: warning: 'retain' attribute ignored [-Wattributes]
12096 | {
| ^
--
>> net/core/xdp.c:713:1: warning: 'retain' attribute ignored [-Wattributes]
713 | {
| ^
net/core/xdp.c:736:1: warning: 'retain' attribute ignored [-Wattributes]
736 | {
| ^
net/core/xdp.c:769:1: warning: 'retain' attribute ignored [-Wattributes]
769 | {
| ^
--
>> net/ipv4/tcp_cong.c:455:1: warning: 'retain' attribute ignored [-Wattributes]
455 | {
| ^
net/ipv4/tcp_cong.c:469:1: warning: 'retain' attribute ignored [-Wattributes]
469 | {
| ^
net/ipv4/tcp_cong.c:495:1: warning: 'retain' attribute ignored [-Wattributes]
495 | {
| ^
net/ipv4/tcp_cong.c:514:1: warning: 'retain' attribute ignored [-Wattributes]
514 | {
| ^
net/ipv4/tcp_cong.c:522:1: warning: 'retain' attribute ignored [-Wattributes]
522 | {
| ^
--
>> net/ipv4/fou_bpf.c:46:1: warning: 'retain' attribute ignored [-Wattributes]
46 | {
| ^
net/ipv4/fou_bpf.c:88:1: warning: 'retain' attribute ignored [-Wattributes]
88 | {
| ^
--
>> net/ipv4/tcp_bbr.c:300:1: warning: 'retain' attribute ignored [-Wattributes]
300 | {
| ^
net/ipv4/tcp_bbr.c:333:1: warning: 'retain' attribute ignored [-Wattributes]
333 | {
| ^
net/ipv4/tcp_bbr.c:1028:1: warning: 'retain' attribute ignored [-Wattributes]
1028 | {
| ^
net/ipv4/tcp_bbr.c:1040:1: warning: 'retain' attribute ignored [-Wattributes]
1040 | {
| ^
net/ipv4/tcp_bbr.c:1082:1: warning: 'retain' attribute ignored [-Wattributes]
1082 | {
| ^
net/ipv4/tcp_bbr.c:1091:1: warning: 'retain' attribute ignored [-Wattributes]
1091 | {
| ^
net/ipv4/tcp_bbr.c:1102:1: warning: 'retain' attribute ignored [-Wattributes]
1102 | {
| ^
net/ipv4/tcp_bbr.c:1130:1: warning: 'retain' attribute ignored [-Wattributes]
1130 | {
| ^
--
>> net/ipv4/tcp_cubic.c:130:1: warning: 'retain' attribute ignored [-Wattributes]
130 | {
| ^
net/ipv4/tcp_cubic.c:143:1: warning: 'retain' attribute ignored [-Wattributes]
143 | {
| ^
net/ipv4/tcp_cubic.c:325:1: warning: 'retain' attribute ignored [-Wattributes]
325 | {
| ^
net/ipv4/tcp_cubic.c:342:1: warning: 'retain' attribute ignored [-Wattributes]
342 | {
| ^
net/ipv4/tcp_cubic.c:359:1: warning: 'retain' attribute ignored [-Wattributes]
359 | {
| ^
net/ipv4/tcp_cubic.c:449:1: warning: 'retain' attribute ignored [-Wattributes]
449 | {
| ^
--
>> net/ipv4/tcp_dctcp.c:90:1: warning: 'retain' attribute ignored [-Wattributes]
90 | {
| ^
net/ipv4/tcp_dctcp.c:119:1: warning: 'retain' attribute ignored [-Wattributes]
119 | {
| ^
net/ipv4/tcp_dctcp.c:128:1: warning: 'retain' attribute ignored [-Wattributes]
128 | {
| ^
net/ipv4/tcp_dctcp.c:184:1: warning: 'retain' attribute ignored [-Wattributes]
184 | {
| ^
net/ipv4/tcp_dctcp.c:194:1: warning: 'retain' attribute ignored [-Wattributes]
194 | {
| ^
net/ipv4/tcp_dctcp.c:244:1: warning: 'retain' attribute ignored [-Wattributes]
244 | {
| ^
--
>> fs/verity/measure.c:121:1: warning: 'retain' attribute ignored [-Wattributes]
121 | {
| ^
vim +/retain +511 net/bpf/test_run.c
391145ba2accc4 Dave Marchevsky 2023-10-31 509
400031e05adfce David Vernet 2023-02-01 510 __bpf_kfunc int bpf_fentry_test1(int a)
faeb2dce084aff Alexei Starovoitov 2019-11-14 @511 {
faeb2dce084aff Alexei Starovoitov 2019-11-14 512 return a + 1;
faeb2dce084aff Alexei Starovoitov 2019-11-14 513 }
46565696434095 Kumar Kartikeya Dwivedi 2022-01-14 514 EXPORT_SYMBOL_GPL(bpf_fentry_test1);
faeb2dce084aff Alexei Starovoitov 2019-11-14 515
:::::: The code at line 511 was first introduced by commit
:::::: faeb2dce084aff92d466c6ce68481989b815435b bpf: Add kernel test functions for fentry testing
:::::: TO: Alexei Starovoitov <ast@...nel.org>
:::::: CC: Daniel Borkmann <daniel@...earbox.net>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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