ERROR: modpost: "riscv_time_val" undefined!

[kernel test robot]

Hi Christoph,

It's probably a bug fix that unveils the link errors.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4333a9b0b67bb4e8bcd91bdd80da80b0ec151162
commit: c3f896dcf1e47959aca4f8e6ac9537b478949126 mm: switch the test_vmalloc module to use __vmalloc_node
date:   2 weeks ago
config: riscv-randconfig-c003-20200620 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "riscv_time_val" [drivers/video/fbdev/udlfb.ko] undefined!

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Attachment: .config.gz
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