> -----Original Message-----
> From: kbuild test robot <l...@intel.com>
> Sent: 2019年9月19日 3:36
> To: Justin He (Arm Technology China) <justin...@arm.com>
> Cc: kbuild-...@01.org; Catalin Marinas <catalin.mari...@arm.com>; Will
> Deacon <w...@kernel.org>; Mark Rutland <mark.rutl...@arm.com>;
> James Morse <james.mo...@arm.com>; Marc Zyngier <m...@kernel.org>;
> Matthew Wilcox <wi...@infradead.org>; Kirill A. Shutemov
> <kirill.shute...@linux.intel.com>; linux-arm-ker...@lists.infradead.org;
> linux-kernel@vger.kernel.org; linux...@kvack.org; Suzuki Poulose
> <suzuki.poul...@arm.com>; Punit Agrawal <punitagra...@gmail.com>;
> Anshuman Khandual <anshuman.khand...@arm.com>; Jun Yao
> <yaojun8558...@gmail.com>; Alex Van Brunt <avanbr...@nvidia.com>;
> Robin Murphy <robin.mur...@arm.com>; Thomas Gleixner
> <t...@linutronix.de>; Andrew Morton <a...@linux-foundation.org>;
> jgli...@redhat.com; Ralph Campbell <rcampb...@nvidia.com>;
> hejia...@gmail.com; Kaly Xin (Arm Technology China)
> <kaly....@arm.com>; Justin He (Arm Technology China)
> <justin...@arm.com>
> Subject: Re: [PATCH v4 3/3] mm: fix double page fault on arm64 if PTE_AF
> is cleared
>
> Hi Jia,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [cannot apply to v5.3 next-20190917]
> [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/Jia-He/fix-double-page-
> fault-on-arm64/20190918-220036
> config: arm64-allnoconfig (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 7.4.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-
> tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         GCC_VERSION=7.4.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <l...@intel.com>
>
> All errors (new ones prefixed by >>):
>
>    mm/memory.o: In function `wp_page_copy':
> >> memory.c:(.text+0x8fc): undefined reference to `cpu_has_hw_af'
>    memory.c:(.text+0x8fc): relocation truncated to fit: R_AARCH64_CALL26
> against undefined symbol `cpu_has_hw_af'
>
Ah, I should add a stub for CONFIG_ARM64_HW_AFDBM is 'N' on arm64 arch
Will fix it asap

--
Cheers,
Justin (Jia He)


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