netdev - [vhost:vhost 20/20] ERROR: "page_poisoning_enabled" [drivers/virtio/virtio

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Message-ID: <201802070951.paWH8wop%fengguang.wu@intel.com>
Date:   Wed, 7 Feb 2018 09:26:53 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Wei Wang <wei.w.wang@...el.com>
Cc:     kbuild-all@...org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Liang Li <liang.z.li@...el.com>
Subject: [vhost:vhost 20/20] ERROR: "page_poisoning_enabled"
 [drivers/virtio/virtio_balloon.ko] undefined!

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head:   96bcd04462b99e2c80e09f6537770a0ca6b288d0
commit: 96bcd04462b99e2c80e09f6537770a0ca6b288d0 [20/20] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 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
        git checkout 96bcd04462b99e2c80e09f6537770a0ca6b288d0
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All errors (new ones prefixed by >>):

   WARNING: modpost: missing MODULE_LICENSE() in drivers/auxdisplay/img-ascii-lcd.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-ath79.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-iop.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/accel/kxsd9-i2c.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/adc/qcom-vadc-common.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/mtk-vcodec/mtk-vcodec-common.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/tegra-cec/tegra_cec.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/mtd/nand/denali_pci.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/pxa/pinctrl-pxa2xx.o
   see include/linux/module.h for more information
   WARNING: modpost: missing MODULE_LICENSE() in drivers/power/reset/zx-reboot.o
   see include/linux/module.h for more information
>> ERROR: "page_poisoning_enabled" [drivers/virtio/virtio_balloon.ko] undefined!
   ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!
   ERROR: "ia64_delay_loop" [drivers/net/phy/mdio-cavium.ko] undefined!

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