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Subjectdrivers/gpu/drm/i915/i915_sw_fence.c:111:20: error: unused function 'debug_fence_free'
Hi Nick,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f5e6c330254ae691f6d7befe61c786eb5056007e
commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address
date: 9 months ago
config: x86_64-randconfig-r014-20210108 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5c951623bc8965fa1e89660f2f5f4a2944e4981a)
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 <lkp@intel.com>

All errors (new ones prefixed by >>):

>> 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)
^
1 error generated.


vim +/debug_fence_free +111 drivers/gpu/drm/i915/i915_sw_fence.c

fc1584059d6c438 Chris Wilson 2016-11-25 110
fc1584059d6c438 Chris Wilson 2016-11-25 @111 static inline void debug_fence_free(struct i915_sw_fence *fence)
fc1584059d6c438 Chris Wilson 2016-11-25 112 {
fc1584059d6c438 Chris Wilson 2016-11-25 113 }
fc1584059d6c438 Chris Wilson 2016-11-25 114

:::::: The code at line 111 was first introduced by commit
:::::: fc1584059d6c438b1febafa1c207ae1d3c6643e8 drm/i915: Integrate i915_sw_fence with debugobjects

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

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