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Subjectdrivers/gpu/drm/i915/i915_sw_fence.c:47:20: error: unused function 'debug_fence_init_onstack'
Hi Nick,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 635de956a7f5a6ffcb04f29d70630c64c717b56b
commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address
date: 1 year ago
config: x86_64-randconfig-a011-20210429 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9131a078901b00e68248a27a4f8c4b11bb1db1ae)
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 W=1 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:47:20: error: unused function 'debug_fence_init_onstack' [-Werror,-Wunused-function]
static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
^
1 error generated.


vim +/debug_fence_init_onstack +47 drivers/gpu/drm/i915/i915_sw_fence.c

fc1584059d6c43 Chris Wilson 2016-11-25 46
214707fc2ce08d Chris Wilson 2017-10-12 @47 static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
214707fc2ce08d Chris Wilson 2017-10-12 48 {
214707fc2ce08d Chris Wilson 2017-10-12 49 debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr);
214707fc2ce08d Chris Wilson 2017-10-12 50 }
214707fc2ce08d Chris Wilson 2017-10-12 51

:::::: The code at line 47 was first introduced by commit
:::::: 214707fc2ce08d09982bc4fe4b7a1c1f010e82be drm/i915/selftests: Wrap a timer into a i915_sw_fence

:::::: 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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