[rcu:dev.2019.04.02a 35/52] ERROR: "kfd_processes_srcu" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.04.02a
head:   82d94d0c3c616bba12f1f2a7f2ea48a3363893c8
commit: 7950d16b08477aee3ea9aa77fb99a8650bc9378d [35/52] drivers/gpu/drm/amd: Dynamically allocate kfd_processes_srcu
config: x86_64-rhel-7.6 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 7950d16b08477aee3ea9aa77fb99a8650bc9378d
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "kfd_processes_srcu" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

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