linux-kernel - ERROR: modpost: "vhost_iotlb_itree

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Date:   Sun, 15 Nov 2020 02:28:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eli Cohen <eli@...lanox.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Parav Pandit <parav@...lanox.com>
Subject: ERROR: modpost: "vhost_iotlb_itree_next" undefined!

Hi Eli,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f01c30de86f1047e9bae1b1b1417b0ce8dcd15b1
commit: 1a86b377aa2147a7c866b03142e848c18e5f3cb8 vdpa/mlx5: Add VDPA driver for supported mlx5 devices
date:   3 months ago
config: microblaze-randconfig-c004-20201031 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1a86b377aa2147a7c866b03142e848c18e5f3cb8
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 1a86b377aa2147a7c866b03142e848c18e5f3cb8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

ERROR: modpost: "min_low_pfn" [net/smc/smc.ko] undefined!
ERROR: modpost: "min_low_pfn" [net/ipv6/ah6.ko] undefined!
ERROR: modpost: "min_low_pfn" [net/ipv4/ah4.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/ntb/test/ntb_perf.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/infiniband/hw/mthca/ib_mthca.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/mtd/nand/raw/cadence-nand-controller.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/target/iscsi/iscsi_target_mod.ko] undefined!
>> ERROR: modpost: "vhost_iotlb_itree_next" [drivers/vdpa/mlx5/mlx5_vdpa.ko] undefined!
>> ERROR: modpost: "vhost_iotlb_itree_first" [drivers/vdpa/mlx5/mlx5_vdpa.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/mmc/core/mmc_core.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/usb/misc/usbtest.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/tty/serial/fsl_lpuart.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/dma/fsl-edma-common.ko] undefined!
ERROR: modpost: "min_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined!
ERROR: modpost: "min_low_pfn" [crypto/tcrypt.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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