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

[Paul E. McKenney]

On Tue, Apr 23, 2019 at 08:19:33PM +0800, kbuild test robot wrote:
> 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!

Good catch -- fixing this with the usual trampoline function.

							Thanx, Paul