linux-kernel - Re: ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!

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Date:   Sat, 3 Mar 2018 09:56:41 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>, LKP <lkp@...el.com>,
        "Hao, Shun" <shun.hao@...el.com>
Subject: Re: ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!

On Thu, Mar 01, 2018 at 04:25:45PM +0000, Robin Murphy wrote:
>On 01/03/18 03:18, kbuild test robot wrote:
>> Hi Robin,
>>
>> First bad commit (maybe != root cause):
>
>I have to admit I'm slightly intrigued how this commit could possibly
>appear relevant to the IA64 build at all, let alone to this error :/

Yeah it looks like a bisect error -- the commit merely changed an ARM
header file.

Thanks,
Fengguang

>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   97ace515f01439d4cf6e898b4094040dc12d36e7
>> commit: e1a50de37860b3a93a9d643b09638db5aff47650 arm64: cputype: Silence Sparse warnings
>> date:   12 days ago
>> config: ia64-allmodconfig (attached as .config)
>> compiler: ia64-linux-gcc (GCC) 7.2.0
>> reproduce:
>>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>          chmod +x ~/bin/make.cross
>>          git checkout e1a50de37860b3a93a9d643b09638db5aff47650
>>          # save the attached .config to linux build tree
>>          make.cross ARCH=ia64
>>
>> All errors (new ones prefixed by >>):
>>
>>>> ERROR: "ia64_delay_loop" [drivers/spi/spi-thunderx.ko] undefined!
>>     ERROR: "ia64_delay_loop" [drivers/net/phy/mdio-cavium.ko] undefined!
>>
>> ---
>> 0-DAY kernel test infrastructure                Open Source Technology Center
>> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>>
>