linux-kernel - Re: [PATCH bpf-next v5 09/17] HID: bpf: allocate data memory for device

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Date:   Thu, 19 May 2022 07:13:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Greg KH <greg@...ah.com>, Jiri Kosina <jikos@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Dave Marchevsky <davemarchevsky@...com>,
        Joe Stringer <joe@...ium.io>, Jonathan Corbet <corbet@....net>
Cc:     kbuild-all@...ts.01.org, Tero Kristo <tero.kristo@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: Re: [PATCH bpf-next v5 09/17] HID: bpf: allocate data memory for
 device_event BPF programs

Hi Benjamin,

I love your patch! Yet something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220519-050506
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220519/202205190720.TIuHyCp6-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/ce32a9c683e801ac875c4e4eece32778040ed5cc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220519-050506
        git checkout ce32a9c683e801ac875c4e4eece32778040ed5cc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um SUBARCH=i386 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 >>):

   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_destroy_device':
   hid-core.c:(.text+0x10c0): undefined reference to `hid_bpf_destroy_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_allocate_device':
   hid-core.c:(.text+0x15c6): undefined reference to `hid_bpf_device_init'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_input_report':
   hid-core.c:(.text+0x22f7): undefined reference to `dispatch_hid_bpf_device_event'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_connect':
>> hid-core.c:(.text+0x25da): undefined reference to `hid_bpf_connect_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_disconnect':
>> hid-core.c:(.text+0xca1): undefined reference to `hid_bpf_disconnect_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_exit':
   hid-core.c:(.exit.text+0x7): undefined reference to `hid_bpf_ops'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_init':
   hid-core.c:(.init.text+0x35): undefined reference to `hid_bpf_ops'
   collect2: error: ld returned 1 exit status

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp