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Date: Tue, 13 Sep 2016 19:22:26 +1000
From: Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, Michael Ellerman <mpe@ellerman.id.au>,
 Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras
 <paulus@samba.org>
Subject: Re: [PATCH 3/8] powerpc/pseries: exception vector macros
Message-ID: <20160913192226.4f9829da@roar.ozlabs.ibm.com>
In-Reply-To: <201609131452.RDEmDTIt%fengguang.wu@intel.com>
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 <201609131452.RDEmDTIt%fengguang.wu@intel.com>
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On Tue, 13 Sep 2016 14:56:47 +0800
kbuild test robot <lkp@intel.com> wrote:

> Hi Nicholas,
> 
> [auto build test ERROR on powerpc/next]
> [also build test ERROR on v4.8-rc6 next-20160912]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
> [Check https://git-scm.com/docs/git-format-patch for more information]
> 
> url:    https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc-64-use-asm-sections-for-head-exception-layout/20160913-113052
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
> config: powerpc-defconfig (attached as .config)
> compiler: powerpc64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/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 `.arch_local_irq_restore':
> >> (.text+0x7390): undefined reference to `.__replay_interrupt'  

Ah, __replay_interrupt lost its _GLOBAL annotation, that must be
it. I'm not sure why I didn't see this -- I tested big endian build...
I'll fix that up.