linux-kernel - Re: tile: early_printk.o is always required

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Message-Id: <20160607125245.79a26fd3fee40afaa8ca04ff@linux-foundation.org>
Date:	Tue, 7 Jun 2016 12:52:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, kbuild test robot <fengguang.wu@...el.com>,
	linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Chris Metcalf <cmetcalf@...lanox.com>
Subject: Re: tile: early_printk.o is always required

On Tue, 7 Jun 2016 17:17:49 +0800 kbuild test robot <lkp@...el.com> wrote:

> Hi,
> 
> [auto build test ERROR on tile/master]
> [also build test ERROR on v4.7-rc2 next-20160606]
> [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/Andrew-Morton/tile-early_printk-o-is-always-required/20160607-043356
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile.git master
> config: tile-allnoconfig (attached as .config)
> compiler: tilegx-linux-gcc (GCC) 4.6.2
> 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=tile 
> 
> All errors (new ones prefixed by >>):
> 
>    arch/tile/built-in.o: In function `early_hv_write':
> >> early_printk.c:(.text+0xc770): undefined reference to `tile_console_write'
>    early_printk.c:(.text+0xc800): undefined reference to `tile_console_write'

Which means we also need HVC_TILE which means we need TTY which means...

blah, I give up :)