linux-kernel - drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:123:22: sparse: sparse: symbol 'vmw_pt_sys_placement' was not declared. Should it be static?

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Message-ID: <202203111316.4BboSv7D-lkp@intel.com>
Date:   Fri, 11 Mar 2022 13:18:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zack Rusin <zackr@...are.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Martin Krastev <krastevm@...are.com>
Subject: drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:123:22: sparse: sparse:
 symbol 'vmw_pt_sys_placement' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dda64ead7e82caa47fafe0edc36067ee64df2203
commit: f6be23264bbac88d1e2bb39658e1b8a397e3f46d drm/vmwgfx: Introduce a new placement for MOB page tables
date:   3 months ago
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220311/202203111316.4BboSv7D-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6be23264bbac88d1e2bb39658e1b8a397e3f46d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f6be23264bbac88d1e2bb39658e1b8a397e3f46d
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/vmwgfx/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:123:22: sparse: sparse: symbol 'vmw_pt_sys_placement' was not declared. Should it be static?

vim +/vmw_pt_sys_placement +123 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

   122	
 > 123	struct ttm_placement vmw_pt_sys_placement = {
   124		.num_placement = 1,
   125		.placement = &vmw_sys_placement_flags,
   126		.num_busy_placement = 1,
   127		.busy_placement = &vmw_sys_placement_flags
   128	};
   129	

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