On Tue, Aug 13, 2019 at 11:23:34AM +0800, kbuild test robot wrote:
> Hi Paul,
>
> First bad commit (maybe != root cause):
>
> tree:
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> dev.2019.08.09a
> head: 8997cc705c8156fd638c6296c800ceb4f2cd4eb0
> commit: 7bcd11ce830f32631a378ff0e75836f27b202f1b [65/67] squash! idle:
> Prevent late-arriving interrupts from disrupting offline
> config: x86_64-rhel (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
> reproduce:
> git checkout 7bcd11ce830f32631a378ff0e75836f27b202f1b
> # 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 <l...@intel.com>
>
> All errors (new ones prefixed by >>):
>
> >> ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!
Given that this commit did not change rcutorture or anything that
rcutorture invokes, I am having difficulty seeing how it caused
this failure. Or am I missing some indirect series of inline function
invocations?
Easy enough to add the EXPORT_SYMBOL_GPL() if it is needed! ;-)
Thanx, Paul
