linux-kernel - ERROR: "gen_pool_virt_to_phys" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!

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Message-ID: <201707302240.aZcZoaSD%fengguang.wu@intel.com>
Date:   Sun, 30 Jul 2017 22:22:42 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Thayer <michael.thayer@...cle.com>
Subject: ERROR: "gen_pool_virt_to_phys"
 [drivers/staging/vboxvideo/vboxvideo.ko] undefined!

Hi Hans,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0a07b238e5f488b459b6113a62e06b6aab017f71
commit: dd55d44f408419278c00887bfcb2261d0caae350 staging: vboxvideo: Add vboxvideo to drivers/staging
date:   13 days ago
config: x86_64-randconfig-a0-07302105 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        git checkout dd55d44f408419278c00887bfcb2261d0caae350
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "gen_pool_virt_to_phys" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!
>> ERROR: "gen_pool_add_virt" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!
>> ERROR: "gen_pool_destroy" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!
>> ERROR: "gen_pool_dma_alloc" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!
>> ERROR: "gen_pool_create" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!
>> ERROR: "gen_pool_free" [drivers/staging/vboxvideo/vboxvideo.ko] undefined!

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