linux-kernel - Re: [PATCH v6 09/12] x86: early_printk: add USB3 debug port earlyprintk support

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Message-ID: <201601261410.YGgqvILH%fengguang.wu@intel.com>
Date:	Tue, 26 Jan 2016 14:44:14 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Lu Baolu <baolu.lu@...ux.intel.com>
Cc:	kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH v6 09/12] x86: early_printk: add USB3 debug port
 earlyprintk support

Hi Lu,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.5-rc1 next-20160125]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Lu-Baolu/usb-early-add-support-for-early-printk-through-USB3-debug-port/20160126-122049
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: x86_64-randconfig-h0-01261334 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   arch/x86/built-in.o: In function `setup_early_printk':
>> early_printk.c:(.init.text+0xceba): undefined reference to `early_xdbc_init'
>> early_printk.c:(.init.text+0xcec8): undefined reference to `early_xdbc_console'

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

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