netdev - Re: [net-next V7 PATCH 12/16] page_pool: refurbish version of page

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Message-ID: <201803302331.fI60aWbM%fengguang.wu@intel.com>
Date:   Sat, 31 Mar 2018 00:26:46 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        BjörnTöpel <bjorn.topel@...el.com>,
        magnus.karlsson@...el.com, eugenia@...lanox.com,
        Jason Wang <jasowang@...hat.com>,
        John Fastabend <john.fastabend@...il.com>,
        Eran Ben Elisha <eranbe@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>, galp@...lanox.com,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Daniel Borkmann <borkmann@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Tariq Toukan <tariqt@...lanox.com>
Subject: Re: [net-next V7 PATCH 12/16] page_pool: refurbish version of
 page_pool code

Hi Jesper,

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/Jesper-Dangaard-Brouer/XDP-redirect-memory-return-API/20180330-203122
config: m68k-sun3_defconfig (attached as .config)
compiler: m68k-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=m68k 

All errors (new ones prefixed by >>):

   net/core/page_pool.o: In function `__page_pool_alloc_pages_slow':
>> page_pool.c:(.text+0x9a): undefined reference to `bad_dma_ops'
   page_pool.c:(.text+0xa8): undefined reference to `bad_dma_ops'
   net/core/page_pool.o: In function `__page_pool_clean_page.isra.0':
   page_pool.c:(.text+0x27a): undefined reference to `bad_dma_ops'

---
0-DAY kernel test infrastructure                Open Source Technology Center
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