netdev - Re: [PATCH bpf-next v1 10/15] bpf: Wire up freeing of referenced PTR_TO_BTF

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Message-ID: <202202210811.0jZyZUP1-lkp@intel.com>
Date:   Mon, 21 Feb 2022 08:39:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kumar Kartikeya Dwivedi <memxor@...il.com>, bpf@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v1 10/15] bpf: Wire up freeing of referenced
 PTR_TO_BTF_ID in map

Hi Kumar,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20220217]
[cannot apply to bpf-next/master bpf/master linus/master v5.17-rc4 v5.17-rc3 v5.17-rc2 v5.17-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Kumar-Kartikeya-Dwivedi/Introduce-typed-pointer-support-in-BPF-maps/20220220-215105
base:    3c30cf91b5ecc7272b3d2942ae0505dd8320b81c
config: microblaze-randconfig-r022-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210811.0jZyZUP1-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 11.2.0
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/09a47522ec608218eb6aabd5011316d78ad245e0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Kumar-Kartikeya-Dwivedi/Introduce-typed-pointer-support-in-BPF-maps/20220220-215105
        git checkout 09a47522ec608218eb6aabd5011316d78ad245e0
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   microblaze-linux-ld: kernel/bpf/syscall.o: in function `bpf_map_free_ptr_to_btf_id':
>> (.text+0x555c): undefined reference to `__generic_xchg_called_with_bad_pointer'

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