linux-kernel - drivers/gpu/drm/i915/i915_sw_fence.c:90:20: error: unused function 'debug_fence_init

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Message-ID: <202110212253.WybgkzA5-lkp@intel.com>
Date:   Thu, 21 Oct 2021 22:38:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: drivers/gpu/drm/i915/i915_sw_fence.c:90:20: error: unused function
 'debug_fence_init_onstack'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2f111a6fd5b5297b4e92f53798ca086f7c7d33a4
commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address
date:   1 year, 6 months ago
config: x86_64-randconfig-a004-20211021 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9660563950aaed54020bfdf0be07e7096a9553e4)
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://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 W=1 ARCH=x86_64 

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 >>):

>> drivers/gpu/drm/i915/i915_sw_fence.c:90:20: error: unused function 'debug_fence_init_onstack' [-Werror,-Wunused-function]
   static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
                      ^
   drivers/gpu/drm/i915/i915_sw_fence.c:111:20: error: unused function 'debug_fence_free' [-Werror,-Wunused-function]
   static inline void debug_fence_free(struct i915_sw_fence *fence)
                      ^
   2 errors generated.


vim +/debug_fence_init_onstack +90 drivers/gpu/drm/i915/i915_sw_fence.c

fc1584059d6c43 Chris Wilson 2016-11-25  89  
214707fc2ce08d Chris Wilson 2017-10-12 @90  static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
214707fc2ce08d Chris Wilson 2017-10-12  91  {
214707fc2ce08d Chris Wilson 2017-10-12  92  }
214707fc2ce08d Chris Wilson 2017-10-12  93  

:::::: The code at line 90 was first introduced by commit
:::::: 214707fc2ce08d09982bc4fe4b7a1c1f010e82be drm/i915/selftests: Wrap a timer into a i915_sw_fence

:::::: TO: Chris Wilson <chris@...is-wilson.co.uk>
:::::: CC: Chris Wilson <chris@...is-wilson.co.uk>

---
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" (33040 bytes)