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Date:   Thu, 13 Aug 2020 08:55:29 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [rcu:dev.2020.08.11a 110/112] ERROR: modpost:
 "rcu_read_unlock_strict" undefined!

On Thu, Aug 13, 2020 at 12:17:34PM +0800, kernel test robot wrote:
> Hi Paul,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.08.11a
> head:   9030fc13639a71b15466520f09ca07b80fc30ed1
> commit: 601cd69fa4bb0127bb774cc852203fd9fdf5e269 [110/112] rcuperf: Change rcuperf to rcuscale
> config: riscv-allmodconfig (attached as .config)
> compiler: riscv64-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
>         git checkout 601cd69fa4bb0127bb774cc852203fd9fdf5e269
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 
> 
> 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 <<):

Good catch, forgot the EXPORT_SYMBOL_GPL(), will fix, thank you!

							Thanx, Paul

> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/intel/iwlegacy/iwl4965.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/intel/iwlegacy/iwlegacy.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/ath11k/ath11k.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/wcn36xx/wcn36xx.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/ath10k/ath10k_core.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/carl9170/carl9170.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/ath9k/ath9k_htc.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/ath9k/ath9k_hw.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wireless/ath/ath9k/ath9k.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wan/lapbether.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/wan/hdlc_cisco.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/hamradio/bpqether.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/via/via-velocity.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/ti/ti_cpsw_new.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/ti/ti_cpsw.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/socionext/netsec.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/sfc/sfc.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/qlogic/qede/qede.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/qlogic/netxen/netxen_nic.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/qlogic/qlcnic/qlcnic.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/netronome/nfp/nfp.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mscc/mscc_ocelot_common.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_spectrum.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mellanox/mlxsw/mlxsw_core.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/mellanox/mlx4/mlx4_core.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/fm10k/fm10k.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/iavf/iavf.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/i40e/i40e.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/ixgbevf/ixgbevf.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/igc/igc.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/intel/igb/igb.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/chelsio/cxgb4/cxgb4.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/chelsio/cxgb3/cxgb3.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/cavium/thunder/nicvf.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/broadcom/bnxt/bnxt_en.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/broadcom/bnx2x/bnx2x.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/broadcom/cnic.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/broadcom/bnx2.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/net/ethernet/amazon/ena/ena.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/nvme/target/nvmet.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/cxgbi/cxgb3i/cxgb3i.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/cxgbi/libcxgbi.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/qedf/qedf.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/bnx2fc/bnx2fc.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/fcoe/fcoe.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/libfc/libfc.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/scsi_mod.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/device_handler/scsi_dh_alua.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/scsi/device_handler/scsi_dh_rdac.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/dma-buf/dmabuf_selftests.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/mfd/dln2.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/block/drbd/drbd.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/block/loop.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/block/brd.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/block/rnbd/rnbd-server.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/panfrost/panfrost.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/etnaviv/etnaviv.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/qxl/qxl.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/nouveau/nouveau.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/ttm/ttm.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/drm.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/gpu/drm/drm_kms_helper.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/dma/plx_dma.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/dma/sh/shdma.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [drivers/char/ipmi/ipmi_msghandler.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/objagg.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/crc-t10dif.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/test_lockup.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/test_meminit.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/test_xarray.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/test_rhashtable.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [lib/math/prime_numbers.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [block/bfq.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [crypto/af_alg.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/erofs/erofs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/ceph/ceph.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/gfs2/gfs2.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/btrfs/btrfs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/afs/kafs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/xfs/xfs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/fuse/fuse.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/autofs/autofs4.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/cifs/cifs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/lockd/lockd.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfsd/nfsd.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfs/blocklayout/blocklayoutdriver.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfs/nfsv4.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfs/nfs.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/jbd2/jbd2.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/ext4/ext4.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/fscache/fscache.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [fs/nfs_common/grace.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [kernel/rcu/refscale.ko] undefined!
> >> ERROR: modpost: "rcu_read_unlock_strict" [kernel/rcu/rcuscale.ko] undefined!
> ERROR: modpost: "rcu_read_unlock_strict" [kernel/rcu/rcutorture.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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