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Message-ID: <1474775186.23838.23.camel@perches.com>
Subject: Re: undefined reference to `printk'
From: Joe Perches <joe@perches.com>
Date: Sat, 24 Sep 2016 20:46:26 -0700
In-Reply-To: <201609251139.vxagmOPP%fengguang.wu@intel.com>
References: <201609251139.vxagmOPP%fengguang.wu@intel.com>
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To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>

On Sun, 2016-09-25 at 11:40 +0800, kbuild test robot wrote:
> Hi Joe,

Hey Fengguang

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

I think all of these reports about compiler-gcc integrations
are bogons.

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   9c0e28a7be656d737fb18998e2dcb0b8ce595643
> commit: cb984d101b30eb7478d32df56a0023e4603cba7f compiler-gcc: integrate the various compiler-gcc[345].h files
> date:   1 year, 3 months ago
> config: m32r-allnoconfig (attached as .config)
> compiler: m32r-linux-gcc (GCC) 6.2.0
> 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
>         git checkout cb984d101b30eb7478d32df56a0023e4603cba7f
>         # save the attached .config to linux build tree
>         make.cross ARCH=m32r 
> 
> 
> All errors (new ones prefixed by >>):
> 
> 
>    arch/m32r/kernel/built-in.o: In function `default_eit_handler':
> > > (.text+0x3fc): undefined reference to `printk'

There isn't any association to integration here.

> 

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