Re: ERROR: "paddr_to_nid" [drivers/md/raid1.ko] undefined!

[Randy Dunlap]

On 5/3/19 5:54 AM, kbuild test robot wrote:
> Hi Ming,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   ea9866793d1e925b4d320eaea409263b2a568f38
> commit: 6dc4f100c175dd0511ae8674786e7c9006cdfbfa block: allow bio_for_each_segment_all() to iterate over multi-page bvec
> date:   3 months ago
> config: ia64-bigsur_defconfig (attached as .config)
> compiler: ia64-linux-gcc (GCC) 8.1.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 6dc4f100c175dd0511ae8674786e7c9006cdfbfa
>         # save the attached .config to linux build tree
>         GCC_VERSION=8.1.0 make.cross ARCH=ia64 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
> 
> All errors (new ones prefixed by >>):
> 
>    ERROR: "paddr_to_nid" [sound/core/snd-pcm.ko] undefined!
>    ERROR: "paddr_to_nid" [net/sunrpc/sunrpc.ko] undefined!
>    ERROR: "paddr_to_nid" [fs/cifs/cifs.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/video/fbdev/core/fb.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/usb/mon/usbmon.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/usb/core/usbcore.ko] undefined!
>>> ERROR: "paddr_to_nid" [drivers/md/raid1.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/md/dm-mod.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/md/dm-crypt.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/md/dm-bufio.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/ide/ide-core.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/ide/ide-cd_mod.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/gpu/drm/drm.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/char/agp/agpgart.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/block/nbd.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/block/loop.ko] undefined!
>    ERROR: "paddr_to_nid" [drivers/block/brd.ko] undefined!
>    ERROR: "paddr_to_nid" [crypto/ccm.ko] undefined!
> 

---
Exporting paddr_to_nid() in arch/ia64/mm/numa.c fixes all of these build errors.
Is there a problem with doing that?


-- 
~Randy