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Date:   Wed, 18 Mar 2020 02:34:03 +0800
From:   kbuild test robot <>
To:     Fangrui Song <>
        Nick Desaulniers <>,
        Nathan Chancellor <>,,
        Stanislav Fomichev <>,,
Subject: Re: [PATCH bpf] bpf: Support llvm-objcopy and llvm-objdump for
 vmlinux BTF

Hi Fangrui,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bpf/master]
[also build test WARNING on net/master linus/master v5.6-rc6]
[cannot apply to net-next/master next-20200317]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see]

base: master
config: i386-randconfig-g003-20200317 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <>

All warnings (new ones prefixed by >>):

>> objcopy: .tmp_vmlinux.btf: warning: empty loadable segment detected at vaddr=0xc1000000, is this intentional?
   objcopy: .tmp_vmlinux.btf: warning: empty loadable segment detected at vaddr=0xc1aae000, is this intentional?
   1+0 records in
   1+0 records out
   1 byte copied, 8.22e-05 s, 12.2 kB/s

0-DAY CI Kernel Test Service, Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (33334 bytes)

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