netdev - Re: [PATCH bpf-next 3/3] bpf: Add kernel module with user mode driver that populates bpffs.

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Date:   Fri, 3 Jul 2020 06:53:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        torvalds@...ux-foundation.org
Cc:     kbuild-all@...ts.01.org, davem@...emloft.net, daniel@...earbox.net,
        ebiederm@...ssion.com, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH bpf-next 3/3] bpf: Add kernel module with user mode
 driver that populates bpffs.

Hi Alexei,

I love your patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Alexei-Starovoitov/bpf-Populate-bpffs-with-map-and-prog-iterators/20200703-040602
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=um 

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 >>):

>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/bpf.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/bpf.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/libbpf.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/libbpf.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/btf.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/btf.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/libbpf_errno.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/libbpf_errno.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/str_error.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/str_error.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/hashmap.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/hashmap.o'.
>> make[4]: *** No rule to make target 'kernel/bpf/preload/../../tools/lib/bpf/libbpf_probes.c', needed by 'kernel/bpf/preload/../../tools/lib/bpf/libbpf_probes.o'.
   make[4]: *** [scripts/Makefile.build:281: kernel/bpf/preload/bpf_preload_kern.o] Error 1
   make[4]: Target '__build' not remade because of errors.

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

Download attachment ".config.gz" of type "application/gzip" (23003 bytes)