On Fri, Mar 19, 2021 at 11:45 PM kernel test robot <l...@intel.com> wrote:
>
> Hi Nick,
>
> FYI, the error/warning still remains.
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
> master
> head:   1c273e10bc0cc7efb933e0ca10e260cdfc9f0b8c
> commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable 
> -Wframe-address

This in unrelated to my change.

+ Changbin, Zhenyu (authors of 3aff3512802) and Zhi (author of
054f4eba2a298) in case there's any interest in fixing this up.
Otherwise I don't think these tiny helpful functions were meant to be
used somewhere but are not, so there's not much value in cleaning them
up.

> date:   11 months ago
> config: x86_64-randconfig-a016-20210319 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 
> fcc1ce00931751ac02498986feb37744e9ace8de)
> 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
>         # install x86_64 cross compiling tool for clang build
>         # apt-get install binutils-x86-64-linux-gnu
>         # 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9f4069b055d1508c833115df7493b6e0001e5c9b
>         git remote add linus 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 9f4069b055d1508c833115df7493b6e0001e5c9b
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <l...@intel.com>
>
> All errors (new ones prefixed by >>):
>
> >> drivers/gpu/drm/i915/gvt/gtt.c:267:19: error: unused function 
> >> 'get_pt_type' [-Werror,-Wunused-function]
>    static inline int get_pt_type(int type)
>                      ^
> >> drivers/gpu/drm/i915/gvt/gtt.c:590:20: error: unused function 
> >> 'ppgtt_set_guest_root_entry' [-Werror,-Wunused-function]
>    static inline void ppgtt_set_guest_root_entry(struct intel_vgpu_mm *mm,
>                       ^
>    2 errors generated.
>
>
> vim +/get_pt_type +267 drivers/gpu/drm/i915/gvt/gtt.c
>
> 2707e44466881d6 Zhi Wang 2016-03-28  266
> 054f4eba2a2985b Zhi Wang 2017-10-10 @267  static inline int get_pt_type(int 
> type)
> 054f4eba2a2985b Zhi Wang 2017-10-10  268  {
> 054f4eba2a2985b Zhi Wang 2017-10-10  269        return 
> gtt_type_table[type].pt_type;
> 054f4eba2a2985b Zhi Wang 2017-10-10  270  }
> 054f4eba2a2985b Zhi Wang 2017-10-10  271
>
> :::::: The code at line 267 was first introduced by commit
> :::::: 054f4eba2a2985b1db43353b7b5ce90e96cf9bb9 drm/i915/gvt: Introduce page 
> table type of current level in GTT type enumerations
>
> :::::: TO: Zhi Wang <zhi.a.w...@intel.com>
> :::::: CC: Zhenyu Wang <zhen...@linux.intel.com>
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org



-- 
Thanks,
~Nick Desaulniers

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