linux-kernel - Re: [PATCH v9 2/5] drm: ttm_pool: Rework ttm_pool to use drm_page

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Date:   Wed, 30 Jun 2021 13:11:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     John Stultz <john.stultz@...aro.org>,
        lkml <linux-kernel@...r.kernel.org>
Cc:     kbuild-all@...ts.01.org, John Stultz <john.stultz@...aro.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Christian Koenig <christian.koenig@....com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Liam Mark <lmark@...eaurora.org>,
        Chris Goldsworthy <cgoldswo@...eaurora.org>,
        Laura Abbott <labbott@...nel.org>,
        Brian Starkey <Brian.Starkey@....com>,
        Hridya Valsaraju <hridya@...gle.com>
Subject: Re: [PATCH v9 2/5] drm: ttm_pool: Rework ttm_pool to use
 drm_page_pool

Hi John,

I love your patch! Yet something to improve:

[auto build test ERROR on linux/master]
[also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip linus/master v5.13 next-20210629]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/John-Stultz/Generic-page-pool-deferred-freeing-for-system-dmabuf-hea/20210630-093515
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c54b245d011855ea91c5beff07f1db74143ce614
config: i386-randconfig-a014-20210628 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/3a72793156f41b3867dbe4adfe6c5355a3e46785
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review John-Stultz/Generic-page-pool-deferred-freeing-for-system-dmabuf-hea/20210630-093515
        git checkout 3a72793156f41b3867dbe4adfe6c5355a3e46785
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: drivers/gpu/drm/page_pool.o: in function `drm_page_pool_shrinker_init':
>> page_pool.c:(.text+0x4e0): multiple definition of `init_module'; drivers/gpu/drm/drm_drv.o:drm_drv.c:(.init.text+0x0): first defined here
   ld: drivers/gpu/drm/page_pool.o: in function `drm_page_pool_shrinker_fini':
>> page_pool.c:(.text+0x540): multiple definition of `cleanup_module'; drivers/gpu/drm/drm_drv.o:drm_drv.c:(.text+0xfb0): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (43800 bytes)