Messages in this thread | | | From | Eric Dumazet <> | Date | Fri, 27 Apr 2018 13:03:11 +0000 | Subject | Re: [PATCH v2 net-next 1/2] tcp: add TCP_ZEROCOPY_RECEIVE support for zerocopy receive |
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On Fri, Apr 27, 2018 at 1:45 AM kbuild test robot <lkp@intel.com> wrote:
> Hi Eric,
> Thank you for the patch! Yet something to improve:
> [auto build test ERROR on net-next/master]
> url: https://github.com/0day-ci/linux/commits/Eric-Dumazet/tcp-add-TCP_ZEROCOPY_RECEIVE-support-for-zerocopy-receive/20180427-122234 > config: sh-rsk7269_defconfig (attached as .config) > compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=sh
> All errors (new ones prefixed by >>):
> net/ipv4/tcp.o: In function `tcp_setsockopt': > >> tcp.c:(.text+0x3f80): undefined reference to `zap_page_range'
I guess this tcp zerocopy stuff depends on CONFIG_MMU
Thanks.
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