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 https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Fangrui-Song/bpf-Support-llvm-objcopy-and-llvm-objdump-for-vmlinux-BTF/20200317-125132 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git master config: i386-randconfig-g003-20200317 (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # 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 <lkp@xxxxxxxxx> 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 https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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