linux-kernel - Re: [PATCH v2 3/4] binder: Add flags to relinquish ownership of fds

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Date:   Wed, 25 Jan 2023 12:20:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     "T.J. Mercier" <tjmercier@...gle.com>, Tejun Heo <tj@...nel.org>,
        Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <brauner@...nel.org>,
        Carlos Llamas <cmllamas@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        daniel.vetter@...ll.ch, android-mm@...gle.com, jstultz@...gle.com,
        jeffv@...gle.com, linux-security-module@...r.kernel.org,
        selinux@...r.kernel.org, cgroups@...r.kernel.org,
        Hridya Valsaraju <hridya@...gle.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/4] binder: Add flags to relinquish ownership of fds

Hi Mercier",

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 2241ab53cbb5cdb08a6b2d4688feb13971058f65]

url:    https://github.com/intel-lab-lkp/linux/commits/T-J-Mercier/memcg-Track-exported-dma-buffers/20230124-032017
base:   2241ab53cbb5cdb08a6b2d4688feb13971058f65
patch link:    https://lore.kernel.org/r/20230123191728.2928839-4-tjmercier%40google.com
patch subject: [PATCH v2 3/4] binder: Add flags to relinquish ownership of fds
config: x86_64-randconfig-a016-20230123 (https://download.01.org/0day-ci/archive/20230125/202301251234.klClMpZF-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/41e80f59d1b70691eefc0490e7f1df800cead9f2
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review T-J-Mercier/memcg-Track-exported-dma-buffers/20230124-032017
        git checkout 41e80f59d1b70691eefc0490e7f1df800cead9f2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: dma_buf_transfer_charge
   >>> referenced by binder.c:2280 (drivers/android/binder.c:2280)
   >>>               drivers/android/binder.o:(binder_translate_fd) in archive vmlinux.a

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests