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Subjectarch/powerpc/mm/book3s64/pkeys.c:284:20: error: unused function 'update_current_thread_amr'
Hi Aneesh,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f40ddce88593482919761f74910f42f4b84c004b
commit: 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153 powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode.
date: 2 months ago
config: powerpc64-randconfig-r005-20210215 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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 powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=48a8ab4eeb8271f2a0e2ca3cf80844a59acca153
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 48a8ab4eeb8271f2a0e2ca3cf80844a59acca153
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64

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 >>):

>> arch/powerpc/mm/book3s64/pkeys.c:284:20: error: unused function 'update_current_thread_amr' [-Werror,-Wunused-function]
static inline void update_current_thread_amr(u64 value)
^
>> arch/powerpc/mm/book3s64/pkeys.c:289:20: error: unused function 'update_current_thread_iamr' [-Werror,-Wunused-function]
static inline void update_current_thread_iamr(u64 value)
^
2 errors generated.


vim +/update_current_thread_amr +284 arch/powerpc/mm/book3s64/pkeys.c

283
> 284 static inline void update_current_thread_amr(u64 value)
285 {
286 current->thread.regs->amr = value;
287 }
288
> 289 static inline void update_current_thread_iamr(u64 value)
290 {
291 if (!likely(pkey_execute_disable_supported))
292 return;
293
294 current->thread.regs->iamr = value;
295 }
296

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