netdev - Re: [PATCH v2 net-next 3/9] net: lwtunnel: Add extack to encap attr validation

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Date:   Sat, 27 May 2017 20:44:17 -0600
From:   David Ahern <dsahern@...il.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        roopa@...ulusnetworks.com
Subject: Re: [PATCH v2 net-next 3/9] net: lwtunnel: Add extack to encap attr
 validation

On 5/27/17 7:02 PM, kbuild test robot wrote:
> Hi David,
> 
> [auto build test ERROR on net-next/master]
> 
> url:    https://github.com/0day-ci/linux/commits/David-Ahern/net-another-round-of-extack-handling-for-routing/20170528-062659
> config: ia64-allmodconfig (attached as .config)
> compiler: ia64-linux-gcc (GCC) 6.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=ia64 
> 
> Note: the linux-review/David-Ahern/net-another-round-of-extack-handling-for-routing/20170528-062659 HEAD 44d11f94ccbe86e1a088f83a49ef3ca473118ad8 builds fine.
>       It only hurts bisectibility.
> 
> 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!

Appears to be a false positive. I do not modify anything related to
delay loops and none of this code is arch specific.

kbuild guys: can you clarify?