[rcu:dev.2019.04.16a 71/72] ERROR: "sched_setaffinity" [kernel/rcu/rcutorture.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.04.16a
head:   ca8714f549be5a186d086a223184095759eb7094
commit: 672c5761e6763a76b414a8deaebb787696100ea1 [71/72] rcutorture: Add trivial RCU implementation
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 672c5761e6763a76b414a8deaebb787696100ea1
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>


All errors (new ones prefixed by >>):

>> ERROR: "sched_setaffinity" [kernel/rcu/rcutorture.ko] undefined!
   ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!
   ERROR: "__sw_hweight8" [drivers/net/wireless/mediatek/mt76/mt7603/mt7603e.ko] undefined!
   ERROR: "ia64_delay_loop" [drivers/net/phy/mdio-cavium.ko] undefined!

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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