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

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Date:   Wed, 5 Jul 2023 18:17:53 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Dave Jiang <dave.jiang@...el.com>
Subject: Re: ld.lld: error: undefined symbol: firmware_upload_register



On 7/5/23 16:43, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   73a3fcdaa73200e38e38f7e8a32c9b901c5b95b5
> commit: 9521875bbe0055805557fff0b08fd9a29d02b7bc cxl: add a firmware update mechanism using the sysfs firmware loader
> date:   10 days ago
> config: x86_64-randconfig-x016-20230706 (https://download.01.org/0day-ci/archive/20230706/202307060742.vdkvv1Z3-lkp@intel.com/config)
> compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
> reproduce: (https://download.01.org/0day-ci/archive/20230706/202307060742.vdkvv1Z3-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/202307060742.vdkvv1Z3-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>>> ld.lld: error: undefined symbol: firmware_upload_register
>    >>> referenced by memdev.c:836 (drivers/cxl/core/memdev.c:836)
>    >>>               drivers/cxl/core/memdev.o:(cxl_memdev_setup_fw_upload) in archive vmlinux.a
> --
>>> ld.lld: error: undefined symbol: firmware_upload_unregister
>    >>> referenced by memdev.c:824 (drivers/cxl/core/memdev.c:824)
>    >>>               drivers/cxl/core/memdev.o:(cxl_memdev_setup_fw_upload) in archive vmlinux.a
>    >>> referenced by memdev.c:824 (drivers/cxl/core/memdev.c:824)
>    >>>               drivers/cxl/core/memdev.o:(devm_cxl_remove_fw_upload) in archive vmlinux.a
> 


Fix from Arnd:
https://lore.kernel.org/all/20230703112928.332321-1-arnd@kernel.org/

-- 
~Randy