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

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Message-ID: <201803302243.oSnzdHu9%fengguang.wu@intel.com>
Date:   Fri, 30 Mar 2018 22:25:54 +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: score-spct6600_defconfig (attached as .config)
compiler: score-elf-gcc (GCC) 4.9.4
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=score 

All errors (new ones prefixed by >>):

   init/main.o: In function `try_to_run_init_process':
   main.c:(.text+0x40): relocation truncated to fit: R_SCORE_24 against `run_init_process'
   main.c:(.text+0x78): relocation truncated to fit: R_SCORE_24 against `.L36'
   init/main.o: In function `.L132':
   main.c:(.text+0x190): relocation truncated to fit: R_SCORE_24 against `.L129'
   main.c:(.text+0x200): relocation truncated to fit: R_SCORE_24 against `.L132'
   init/main.o: In function `loglevel':
   main.c:(.init.text+0xa4): relocation truncated to fit: R_SCORE_24 against `get_option'
   init/main.o: In function `.L15':
   main.c:(.init.text+0x110): relocation truncated to fit: R_SCORE_24 against `strcmp'
   main.c:(.init.text+0x124): relocation truncated to fit: R_SCORE_24 against `parameq'
   main.c:(.init.text+0x14c): relocation truncated to fit: R_SCORE_24 against `printk'
   init/main.o: In function `.L31':
   main.c:(.init.text+0x160): relocation truncated to fit: R_SCORE_24 against `strcmp'
   init/main.o: In function `.L21':
   main.c:(.init.text+0x170): relocation truncated to fit: R_SCORE_24 against `.L15'
   init/main.o: In function `initcall_blacklist':
   main.c:(.init.text+0x198): additional relocation overflows omitted from the output
   net/core/page_pool.o: In function `__page_pool_alloc_pages_slow':
>> page_pool.c:(.text.__page_pool_alloc_pages_slow+0x74): undefined reference to `bad_dma_ops'
   page_pool.c:(.text.__page_pool_alloc_pages_slow+0x78): undefined reference to `bad_dma_ops'
   page_pool.c:(.text.__page_pool_alloc_pages_slow+0x8c): undefined reference to `bad_dma_ops'
   page_pool.c:(.text.__page_pool_alloc_pages_slow+0x90): undefined reference to `bad_dma_ops'
   net/core/page_pool.o: In function `__page_pool_clean_page.isra.14':
>> page_pool.c:(.text.__page_pool_clean_page.isra.14+0x2c): undefined reference to `bad_dma_ops'
   net/core/page_pool.o:page_pool.c:(.text.__page_pool_clean_page.isra.14+0x30): more undefined references to `bad_dma_ops' follow

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