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From: kernel test robot <lkp@intel.com>
To: Yonghong Song <yhs@fb.com>, bpf@vger.kernel.org, netdev@vger.kernel.org
Cc: kbuild-all@lists.01.org, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Jiri Olsa <jolsa@kernel.org>,
	kernel-team@fb.com
Subject: Re: [PATCH bpf-next 2/2] bpf: compute bpf_skc_to_*() helper socket btf ids at build time
Date: Sat, 18 Jul 2020 08:33:15 +0800	[thread overview]
Message-ID: <202007180834.mrStqNhi%lkp@intel.com> (raw)
In-Reply-To: <20200717184707.3477423-1-yhs@fb.com>

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Hi Yonghong,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Yonghong-Song/compute-bpf_skc_to_-helper-socket-btf-ids-at-build-time/20200718-025117
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   In file included from net/core/filter.c:78:
   net/core/filter.c:3783:13: warning: array 'bpf_skb_output_btf_ids' assumed to have one element
    3783 | BTF_ID_LIST(bpf_skb_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   net/core/filter.c:4179:13: warning: array 'bpf_xdp_output_btf_ids' assumed to have one element
    4179 | BTF_ID_LIST(bpf_xdp_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
>> net/core/filter.c:9268:13: warning: array 'btf_sock_ids' assumed to have one element
    9268 | BTF_ID_LIST(btf_sock_ids)
         |             ^~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   /tmp/ccDB7ajn.s: Assembler messages:
>> /tmp/ccDB7ajn.s:66247: Error: symbol `btf_sock_ids' is already defined
   /tmp/ccDB7ajn.s:67196: Error: symbol `bpf_xdp_output_btf_ids' is already defined
   /tmp/ccDB7ajn.s:67344: Error: symbol `bpf_skb_output_btf_ids' is already defined
--
   In file included from net/core/filter.c:78:
   net/core/filter.c:3783:13: warning: array 'bpf_skb_output_btf_ids' assumed to have one element
    3783 | BTF_ID_LIST(bpf_skb_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   net/core/filter.c:4179:13: warning: array 'bpf_xdp_output_btf_ids' assumed to have one element
    4179 | BTF_ID_LIST(bpf_xdp_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
>> net/core/filter.c:9268:13: warning: array 'btf_sock_ids' assumed to have one element
    9268 | BTF_ID_LIST(btf_sock_ids)
         |             ^~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   /tmp/cc1GpKvw.s: Assembler messages:
   /tmp/cc1GpKvw.s:66247: Error: symbol `btf_sock_ids' is already defined
   /tmp/cc1GpKvw.s:67196: Error: symbol `bpf_xdp_output_btf_ids' is already defined
   /tmp/cc1GpKvw.s:67344: Error: symbol `bpf_skb_output_btf_ids' is already defined

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH bpf-next 2/2] bpf: compute bpf_skc_to_*() helper socket btf ids at build time
Date: Sat, 18 Jul 2020 08:33:15 +0800	[thread overview]
Message-ID: <202007180834.mrStqNhi%lkp@intel.com> (raw)
In-Reply-To: <20200717184707.3477423-1-yhs@fb.com>

[-- Attachment #1: Type: text/plain, Size: 3430 bytes --]

Hi Yonghong,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/0day-ci/linux/commits/Yonghong-Song/compute-bpf_skc_to_-helper-socket-btf-ids-at-build-time/20200718-025117
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   In file included from net/core/filter.c:78:
   net/core/filter.c:3783:13: warning: array 'bpf_skb_output_btf_ids' assumed to have one element
    3783 | BTF_ID_LIST(bpf_skb_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   net/core/filter.c:4179:13: warning: array 'bpf_xdp_output_btf_ids' assumed to have one element
    4179 | BTF_ID_LIST(bpf_xdp_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
>> net/core/filter.c:9268:13: warning: array 'btf_sock_ids' assumed to have one element
    9268 | BTF_ID_LIST(btf_sock_ids)
         |             ^~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   /tmp/ccDB7ajn.s: Assembler messages:
>> /tmp/ccDB7ajn.s:66247: Error: symbol `btf_sock_ids' is already defined
   /tmp/ccDB7ajn.s:67196: Error: symbol `bpf_xdp_output_btf_ids' is already defined
   /tmp/ccDB7ajn.s:67344: Error: symbol `bpf_skb_output_btf_ids' is already defined
--
   In file included from net/core/filter.c:78:
   net/core/filter.c:3783:13: warning: array 'bpf_skb_output_btf_ids' assumed to have one element
    3783 | BTF_ID_LIST(bpf_skb_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   net/core/filter.c:4179:13: warning: array 'bpf_xdp_output_btf_ids' assumed to have one element
    4179 | BTF_ID_LIST(bpf_xdp_output_btf_ids)
         |             ^~~~~~~~~~~~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
>> net/core/filter.c:9268:13: warning: array 'btf_sock_ids' assumed to have one element
    9268 | BTF_ID_LIST(btf_sock_ids)
         |             ^~~~~~~~~~~~
   include/linux/btf_ids.h:69:12: note: in definition of macro 'BTF_ID_LIST'
      69 | static u32 name[];
         |            ^~~~
   /tmp/cc1GpKvw.s: Assembler messages:
   /tmp/cc1GpKvw.s:66247: Error: symbol `btf_sock_ids' is already defined
   /tmp/cc1GpKvw.s:67196: Error: symbol `bpf_xdp_output_btf_ids' is already defined
   /tmp/cc1GpKvw.s:67344: Error: symbol `bpf_skb_output_btf_ids' is already defined

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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  reply	other threads:[~2020-07-18  0:47 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-17 18:47 [PATCH bpf-next 0/2] compute bpf_skc_to_*() helper socket btf ids at build time Yonghong Song
2020-07-17 18:47 ` [PATCH bpf-next 1/2] bpf: change var type of BTF_ID_LIST to static Yonghong Song
2020-07-17 19:21   ` Jiri Olsa
2020-07-17 23:12   ` kernel test robot
2020-07-17 23:12     ` kernel test robot
2020-07-18  5:10     ` Yonghong Song
2020-07-18  5:10       ` Yonghong Song
2020-07-18  0:10   ` kernel test robot
2020-07-18  0:10     ` kernel test robot
2020-07-17 18:47 ` [PATCH bpf-next 2/2] bpf: compute bpf_skc_to_*() helper socket btf ids at build time Yonghong Song
2020-07-18  0:33   ` kernel test robot [this message]
2020-07-18  0:33     ` kernel test robot

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