Hi Seth, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.18-rc5] [also build test ERROR on next-20220504] [cannot apply to tip/core/entry] [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/intel-lab-lkp/linux/commits/Seth-Forshee/entry-kvm-Make-vCPU-tasks-exit-to-userspace-when-a-livepatch-is-pending/20220504-015159 base: 672c0c5173427e6b3e2a9bbb7be51ceeec78093a config: arm64-randconfig-r003-20220501 (https://download.01.org/0day-ci/archive/20220504/202205042204.CiMJBtiY-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/1c97c02f02b9f8e6b8e1f11657f950510f9c828e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Seth-Forshee/entry-kvm-Make-vCPU-tasks-exit-to-userspace-when-a-livepatch-is-pending/20220504-015159 git checkout 1c97c02f02b9f8e6b8e1f11657f950510f9c828e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/arm64/kvm/arm.c:9: >> include/linux/entry-kvm.h:80:22: error: use of undeclared identifier '_TIF_PATCH_PENDING' return !!(ti_work & XFER_TO_GUEST_MODE_WORK); ^ include/linux/entry-kvm.h:20:41: note: expanded from macro 'XFER_TO_GUEST_MODE_WORK' (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_PATCH_PENDING | \ ^ In file included from arch/arm64/kvm/arm.c:17: include/linux/mman.h:158:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:136:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. -- In file included from kernel/entry/kvm.c:3: >> include/linux/entry-kvm.h:80:22: error: use of undeclared identifier '_TIF_PATCH_PENDING' return !!(ti_work & XFER_TO_GUEST_MODE_WORK); ^ include/linux/entry-kvm.h:20:41: note: expanded from macro 'XFER_TO_GUEST_MODE_WORK' (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_PATCH_PENDING | \ ^ >> kernel/entry/kvm.c:22:36: error: use of undeclared identifier '_TIF_PATCH_PENDING' if (ti_work & (_TIF_SIGPENDING | _TIF_PATCH_PENDING)) { ^ kernel/entry/kvm.c:38:21: error: use of undeclared identifier '_TIF_PATCH_PENDING' } while (ti_work & XFER_TO_GUEST_MODE_WORK || need_resched()); ^ include/linux/entry-kvm.h:20:41: note: expanded from macro 'XFER_TO_GUEST_MODE_WORK' (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_PATCH_PENDING | \ ^ kernel/entry/kvm.c:55:18: error: use of undeclared identifier '_TIF_PATCH_PENDING' if (!(ti_work & XFER_TO_GUEST_MODE_WORK)) ^ include/linux/entry-kvm.h:20:41: note: expanded from macro 'XFER_TO_GUEST_MODE_WORK' (_TIF_NEED_RESCHED | _TIF_SIGPENDING | _TIF_PATCH_PENDING | \ ^ 4 errors generated. vim +/_TIF_PATCH_PENDING +80 include/linux/entry-kvm.h 4ae7dc97f726ea Frederic Weisbecker 2021-02-01 67 935ace2fb5cc49 Thomas Gleixner 2020-07-22 68 /** 935ace2fb5cc49 Thomas Gleixner 2020-07-22 69 * __xfer_to_guest_mode_work_pending - Check if work is pending 935ace2fb5cc49 Thomas Gleixner 2020-07-22 70 * 935ace2fb5cc49 Thomas Gleixner 2020-07-22 71 * Returns: True if work pending, False otherwise. 935ace2fb5cc49 Thomas Gleixner 2020-07-22 72 * 935ace2fb5cc49 Thomas Gleixner 2020-07-22 73 * Bare variant of xfer_to_guest_mode_work_pending(). Can be called from 935ace2fb5cc49 Thomas Gleixner 2020-07-22 74 * interrupt enabled code for racy quick checks with care. 935ace2fb5cc49 Thomas Gleixner 2020-07-22 75 */ 935ace2fb5cc49 Thomas Gleixner 2020-07-22 76 static inline bool __xfer_to_guest_mode_work_pending(void) 935ace2fb5cc49 Thomas Gleixner 2020-07-22 77 { 6ce895128b3bff Mark Rutland 2021-11-29 78 unsigned long ti_work = read_thread_flags(); 935ace2fb5cc49 Thomas Gleixner 2020-07-22 79 935ace2fb5cc49 Thomas Gleixner 2020-07-22 @80 return !!(ti_work & XFER_TO_GUEST_MODE_WORK); 935ace2fb5cc49 Thomas Gleixner 2020-07-22 81 } 935ace2fb5cc49 Thomas Gleixner 2020-07-22 82 -- 0-DAY CI Kernel Test Service https://01.org/lkp
