Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/locking/core] [also build test ERROR on linux/master linus/master v5.12-rc4 next-20210325] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/guoren-kernel-org/riscv-Add-qspinlock-qrwlock/20210325-155933 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 5965a7adbd72dd9b288c0911cb73719fed1efa08 config: riscv-rv32_defconfig (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/2bf2d117ab34b007089e20e1c46eff89b5da097e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review guoren-kernel-org/riscv-Add-qspinlock-qrwlock/20210325-155933 git checkout 2bf2d117ab34b007089e20e1c46eff89b5da097e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): kernel/locking/qspinlock.c: Assembler messages: kernel/locking/qspinlock.c:184: Error: unrecognized opcode `srliw t1,t1,16' kernel/locking/qspinlock.c:185: Error: unrecognized opcode `slliw t1,t1,16' >> kernel/locking/qspinlock.c:190: Error: unrecognized opcode `slliw a6,a6,16' >> kernel/locking/qspinlock.c:191: Error: unrecognized opcode `srliw a6,a6,16' kernel/locking/qspinlock.c:184: Error: unrecognized opcode `slliw t1,t1,16' kernel/locking/qspinlock.c:185: Error: unrecognized opcode `srliw t1,t1,16' kernel/locking/qspinlock.c:187: Error: unrecognized opcode `slliw t3,t3,16' >> kernel/locking/qspinlock.c:191: Error: unrecognized opcode `srliw a6,a6,16' vim +190 kernel/locking/qspinlock.c 69f9cae90907e0 Peter Zijlstra (Intel 2015-04-24 187) 59fb586b4a07b4 Will Deacon 2018-04-26 188 /** 59fb586b4a07b4 Will Deacon 2018-04-26 189 * clear_pending - clear the pending bit. 59fb586b4a07b4 Will Deacon 2018-04-26 @190 * @lock: Pointer to queued spinlock structure 59fb586b4a07b4 Will Deacon 2018-04-26 @191 * 59fb586b4a07b4 Will Deacon 2018-04-26 192 * *,1,* -> *,0,* 59fb586b4a07b4 Will Deacon 2018-04-26 193 */ 59fb586b4a07b4 Will Deacon 2018-04-26 194 static __always_inline void clear_pending(struct qspinlock *lock) 59fb586b4a07b4 Will Deacon 2018-04-26 195 { 59fb586b4a07b4 Will Deacon 2018-04-26 196 atomic_andnot(_Q_PENDING_VAL, &lock->val); 59fb586b4a07b4 Will Deacon 2018-04-26 197 } 59fb586b4a07b4 Will Deacon 2018-04-26 198 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org