[PATCH] powerpc/powernv: Rework local TLB flush for boot and MCE on POWER9

[kbuild test robot]

Hi Nicholas,

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.12-rc4 next-20170607]
[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/powerpc-powernv-Rework-local-TLB-flush-for-boot-and-MCE-on-POWER9/20170607-084940
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-ps3_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/built-in.o: In function `tlbiel_all':
>> arch/powerpc/include/asm/book3s/64/tlbflush.h:29: undefined reference to `.hash__tlbiel_all'
   arch/powerpc/mm/built-in.o: In function `tlbiel_all':
>> arch/powerpc/include/asm/book3s/64/tlbflush.h:29: undefined reference to `.hash__tlbiel_all'
>> arch/powerpc/include/asm/book3s/64/tlbflush.h:29: undefined reference to `.hash__tlbiel_all'
>> arch/powerpc/include/asm/book3s/64/tlbflush.h:29: undefined reference to `.hash__tlbiel_all'
>> arch/powerpc/include/asm/book3s/64/tlbflush.h:29: undefined reference to `.hash__tlbiel_all'

vim +29 arch/powerpc/include/asm/book3s/64/tlbflush.h

    23		 * should be set up before relocation starts to be used at boot,
    24		 * so we shouldn't see TLB machine checks before then.
    25		 */
    26		if (radix_enabled())
    27			radix__tlbiel_all(TLB_INVAL_SCOPE_GLOBAL);
    28		else
  > 29			hash__tlbiel_all(TLB_INVAL_SCOPE_GLOBAL);
    30	}
    31	
    32	static inline void tlbiel_all_lpid(bool radix)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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