linux-kernel - Re: [PATCH 1/3] riscv: Add support for kernel-mode FPU

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Date:   Thu, 23 Nov 2023 04:23:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Samuel Holland <samuel.holland@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        linux-riscv@...ts.infradead.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        David Airlie <airlied@...il.com>,
        Christian König <christian.koenig@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Pan Xinhui <Xinhui.Pan@....com>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        Samuel Holland <samuel.holland@...ive.com>
Subject: Re: [PATCH 1/3] riscv: Add support for kernel-mode FPU

Hi Samuel,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.7-rc2 next-20231122]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Samuel-Holland/riscv-Add-support-for-kernel-mode-FPU/20231122-111015
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20231122030621.3759313-2-samuel.holland%40sifive.com
patch subject: [PATCH 1/3] riscv: Add support for kernel-mode FPU
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20231123/202311230215.DBFyWPqb-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/20231123/202311230215.DBFyWPqb-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/202311230215.DBFyWPqb-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/riscv/kernel/process.c:229:19: error: use of undeclared identifier '__fstate_save'
     229 | EXPORT_SYMBOL_GPL(__fstate_save);
         |                   ^
>> arch/riscv/kernel/process.c:230:19: error: use of undeclared identifier '__fstate_restore'
     230 | EXPORT_SYMBOL_GPL(__fstate_restore);
         |                   ^
   2 errors generated.


vim +/__fstate_save +229 arch/riscv/kernel/process.c

   228	
 > 229	EXPORT_SYMBOL_GPL(__fstate_save);
 > 230	EXPORT_SYMBOL_GPL(__fstate_restore);

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