From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Steven Price <steven.price@arm.com>
To: kbuild-all@lists.01.org
Subject: Re: [linux-next:master 1000/5337] mm/page_alloc.o:undefined reference to `node_reclaim_distance'
Date: Mon, 23 Dec 2019 10:39:45 +0000
Message-ID: <20191223103944.GA17380@arm.com>
In-Reply-To: <201912221440.v4Pf5CrF%lkp@intel.com>
List-Id: <oe-kbuild-all.lists.linux.dev>

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On Sun, Dec 22, 2019 at 06:30:44AM +0000, kbuild test robot wrote:
> Hi Steven,
> =

> It's probably a bug fix that unveils the link errors.

I've no idea why this has been bisected to my commit. I repeated the
bisection manually and that fingered:

a55c7454a8c8 ("sched/topology: Improve load balancing on AMD EPYC systems")

which certainly looks like it could be the culprit given it introduces
the node_reclaim_distance variable.

Steve

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.g=
it master
> head:   7ddd09fc4b745fb1d8942f95389583e08412e0cd
> commit: ffbbaa7420f7a7ee6d547cd9adc286fe2e3753e0 [1000/5337] dma_resv: pr=
ime lockdep annotations
> config: powerpc-randconfig-a001-20191220 (attached as .config)
> compiler: powerpc64-linux-gcc (GCC) 7.5.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbi=
n/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout ffbbaa7420f7a7ee6d547cd9adc286fe2e3753e0
>         # save the attached .config to linux build tree
>         GCC_VERSION=3D7.5.0 make.cross ARCH=3Dpowerpc =

> =

> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
> =

> All errors (new ones prefixed by >>):
> =

>    powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker s=
tubs' being placed in section `.gnu.hash'.
>    arch/powerpc/perf/perf_regs.o: In function `perf_reg_value':
>    arch/powerpc/perf/perf_regs.c:80: undefined reference to `.is_sier_ava=
ilable'
> >> mm/page_alloc.o:(.toc+0x0): undefined reference to `node_reclaim_dista=
nce'
> =

> ---
> 0-DAY kernel test infrastructure                 Open Source Technology C=
enter
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corp=
oration


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