linux-kernel - Re: ld.lld: error: undefined symbol: sysfs_format

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Message-ID: <e566266a-f6f8-bad2-884d-22c394be52be@infradead.org>
Date:   Sat, 2 Sep 2023 21:32:34 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>,
        David Thompson <davthompson@...dia.com>,
        "open list:X86 PLATFORM DRIVERS" 
        <platform-driver-x86@...r.kernel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Shravan Kumar Ramani <shravankr@...dia.com>
Subject: Re: ld.lld: error: undefined symbol: sysfs_format_mac



On 9/2/23 19:39, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   92901222f83d988617aee37680cb29e1a743b5e4
> commit: 7e38a7422f128e7d7ba24b444e957d585dbb272f mlxbf-bootctl: Support sysfs entries for MFG fields
> date:   10 days ago
> config: arm64-randconfig-r024-20230902 (https://download.01.org/0day-ci/archive/20230903/202309031058.JvwNDBKt-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230903/202309031058.JvwNDBKt-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202309031058.JvwNDBKt-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>>> ld.lld: error: undefined symbol: sysfs_format_mac
>    >>> referenced by xarray.c

I don't see what xarray.c has to do with this.

This happens when CONFIG_NET is not enabled.

>    >>>               vmlinux.o:(oob_mac_show)
> 

-- 
~Randy