Re: ERROR: "min_low_pfn" undefined!

From: Randy Dunlap
Date: Tue Sep 01 2020 - 01:47:52 EST


On 8/31/20 10:41 PM, kernel test robot wrote:
> Hi Arnd,
>
> First bad commit (maybe != root cause):
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: b51594df17d0ce80b9f9f35394a1f42d7ac94472
> commit: 710ec38b0f633ab3e2581f07a73442d809e28ab0 mm: add dummy can_do_mlock() helper
> date: 11 months ago
> config: microblaze-randconfig-r031-20200831 (attached as .config)
> compiler: microblaze-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 710ec38b0f633ab3e2581f07a73442d809e28ab0
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
>>> ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined!
> ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!


Please test
https://lore.kernel.org/lkml/20200829000110.2408-1-rdunlap@xxxxxxxxxxxxx/


--
~Randy