From: "Björn Töpel" <bjorn.topel@intel.com>
To: "kernel test robot" <lkp@intel.com>,
"Björn Töpel" <bjorn.topel@gmail.com>,
ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org,
bpf@vger.kernel.org
Cc: kbuild-all@lists.01.org, maciej.fijalkowski@intel.com,
hawk@kernel.org, toke@redhat.com, magnus.karlsson@intel.com,
john.fastabend@gmail.com
Subject: Re: [PATCH bpf-next v2 1/2] bpf, xdp: per-map bpf_redirect_map functions for XDP
Date: Sun, 21 Feb 2021 16:36:58 +0100 [thread overview]
Message-ID: <7abb8101-6f4b-a79e-935b-c2377680d858@intel.com> (raw)
In-Reply-To: <202102210003.jU1k0vMh-lkp@intel.com>
On 2021-02-20 18:00, kernel test robot wrote:
> Hi "Björn,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on 7b1e385c9a488de9291eaaa412146d3972e9dec5]
>
> url: https://github.com/0day-ci/linux/commits/Bj-rn-T-pel/Optimize-bpf_redirect_map-xdp_do_redirect/20210220-233623
> base: 7b1e385c9a488de9291eaaa412146d3972e9dec5
> config: s390-randconfig-m031-20210221 (attached as .config)
> compiler: s390-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://github.com/0day-ci/linux/commit/3995bc7a37a3a7975c4a04f668408d5aa31cbe37
> git remote add linux-review https://github.com/0day-ci/linux
> git fetch --no-tags linux-review Bj-rn-T-pel/Optimize-bpf_redirect_map-xdp_do_redirect/20210220-233623
> git checkout 3995bc7a37a3a7975c4a04f668408d5aa31cbe37
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> s390-linux-ld: kernel/bpf/verifier.o: in function `fixup_bpf_calls':
>>> verifier.c:(.text+0xa4fc): undefined reference to `get_xdp_redirect_func'
>
This is triggered when CONFIG_NET is not set. For some reason I thought
that BPF implied NET, but this was wrong. I'll fix this in v3.
Björn
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
next prev parent reply other threads:[~2021-02-21 15:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-20 15:30 [PATCH bpf-next v2 0/2] Optimize bpf_redirect_map()/xdp_do_redirect() Björn Töpel
2021-02-20 15:30 ` [PATCH bpf-next v2 1/2] bpf, xdp: per-map bpf_redirect_map functions for XDP Björn Töpel
2021-02-20 17:00 ` kernel test robot
2021-02-21 15:36 ` Björn Töpel [this message]
2021-02-20 15:30 ` [PATCH bpf-next v2 2/2] bpf, xdp: restructure redirect actions Björn Töpel
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