[PATCH v9 09/17] riscv: Add task switch support for vector

[kernel test robot]

Hi Greentime,

I love your patch! Perhaps something to improve:

[auto build test WARNING on v5.15]
[cannot apply to linus/master next-20211111]
[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/Greentime-Hu/riscv-Add-vector-ISA-support/20211109-175222
base:   DEBUG invalid remote for branch v5.15 8bb7eca972ad531c9b149c0a51ab43a417385813
config: riscv-nommu_k210_defconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 11.2.0
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/0day-ci/linux/commit/93773de66911ee019c1fb31ae8e53a1221a540db
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Greentime-Hu/riscv-Add-vector-ISA-support/20211109-175222
        git checkout 93773de66911ee019c1fb31ae8e53a1221a540db
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv 

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

All warnings (new ones prefixed by >>):

>> arch/riscv/kernel/process.c:164:6: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
     164 | void arch_release_task_struct(struct task_struct *tsk)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/arch_release_task_struct +164 arch/riscv/kernel/process.c

   163	
 > 164	void arch_release_task_struct(struct task_struct *tsk)
   165	{
   166		/* Free the vector context of datap. */
   167		if (has_vector())
   168			kfree(tsk->thread.vstate.datap);
   169	}
   170	

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