Re: [rcu:peterz.2019.05.09a 2/5] ERROR: "tracing_stop" [kernel/rcu/rcutorture.ko] undefined!

[Paul E. McKenney]

On Fri, May 10, 2019 at 05:47:32AM +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git peterz.2019.05.09a
> head:   9aaf2ab4ea3d421a1efa413020bbd5c30ecb5f86
> commit: 88437e0ce11d4b74d9606e2c587cdebbdfb41cf3 [2/5] EXP rcutorture: Test setup for sched_setaffinity()
> config: x86_64-lkp (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
>         git checkout 88437e0ce11d4b74d9606e2c587cdebbdfb41cf3
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
> 
> All errors (new ones prefixed by >>):
> 
> >> ERROR: "tracing_stop" [kernel/rcu/rcutorture.ko] undefined!

Apologies, this is an experimental commit not intended for mainline.
So it only works when rcutorture is built in.

							Thanx, Paul