Re: [PATCH v2 8/9] powerpc/64: Use a table of paca pointers and allocate pacas individually

Hi Nicholas,

[auto build test ERROR on v4.13-rc5]
[also build test ERROR on next-20170815]
[cannot apply to powerpc/next scottwood/next]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Nicholas-Piggin/KVM-PPC-Book3S-HV-Fix-H_REGISTER_VPA-VPA-size-validation/20170815-221907
config: powerpc-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/head_64.o: In function `pmac_secondary_start':

quoted

(.text+0x3762): undefined reference to `paca'

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