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* net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored
@ 2025-03-19 11:30 kernel test robot
  2025-03-19 14:37 ` Jiri Olsa
  0 siblings, 1 reply; 3+ messages in thread
From: kernel test robot @ 2025-03-19 11:30 UTC (permalink / raw)
  To: Tony Ambardar; +Cc: oe-kbuild-all, linux-kernel, Daniel Borkmann, Jiri Olsa

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@intel.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@kernel.org>
:::::: CC: Daniel Borkmann <daniel@iogearbox.net>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored
  2025-03-19 11:30 net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored kernel test robot
@ 2025-03-19 14:37 ` Jiri Olsa
  2025-03-19 14:54   ` Philip Li
  0 siblings, 1 reply; 3+ messages in thread
From: Jiri Olsa @ 2025-03-19 14:37 UTC (permalink / raw)
  To: kernel test robot
  Cc: Tony Ambardar, oe-kbuild-all, linux-kernel, Daniel Borkmann

On Wed, Mar 19, 2025 at 07:30:45PM +0800, kernel test robot wrote:
> 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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202503191909.SHOCLBzK-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):

hi,
we hit similar issue before:
  https://lore.kernel.org/bpf/CAMuHMdUaYP3-2JHk-OE9B-AWNU3ikhBdLyWDm0R8DwQpUS9eCw@mail.gmail.com/

solution was to upgrade gcc

jirka


> 
> >> 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@kernel.org>
> :::::: CC: Daniel Borkmann <daniel@iogearbox.net>
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored
  2025-03-19 14:37 ` Jiri Olsa
@ 2025-03-19 14:54   ` Philip Li
  0 siblings, 0 replies; 3+ messages in thread
From: Philip Li @ 2025-03-19 14:54 UTC (permalink / raw)
  To: Jiri Olsa
  Cc: kernel test robot, Tony Ambardar, oe-kbuild-all, linux-kernel,
	Daniel Borkmann

On Wed, Mar 19, 2025 at 03:37:16PM +0100, Jiri Olsa wrote:
> On Wed, Mar 19, 2025 at 07:30:45PM +0800, kernel test robot wrote:
> > 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@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202503191909.SHOCLBzK-lkp@intel.com/
> > 
> > All warnings (new ones prefixed by >>):
> 
> hi,
> we hit similar issue before:
>   https://lore.kernel.org/bpf/CAMuHMdUaYP3-2JHk-OE9B-AWNU3ikhBdLyWDm0R8DwQpUS9eCw@mail.gmail.com/
> 
> solution was to upgrade gcc

Thanks a lot for the info, the bot didn't handle this at that time. I will
fix the bot asap to avoid such false positives.

> 
> jirka
> 
> 
> > 
> > >> 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@kernel.org>
> > :::::: CC: Daniel Borkmann <daniel@iogearbox.net>
> > 
> > -- 
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2025-03-19 14:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-03-19 11:30 net/bpf/test_run.c:511:1: warning: 'retain' attribute ignored kernel test robot
2025-03-19 14:37 ` Jiri Olsa
2025-03-19 14:54   ` Philip Li

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