Hi Marc, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android12-5.10 head: 2d6a43c0364d3bb0c5c00b0a32b27f4c7740e004 commit: b0e15c8c44275afef4aacfb1560e38b974b02ac8 [6733/13830] FROMGIT: KVM: arm64: Save/restore SVE state for nVHE config: arm64-randconfig-r022-20211210 (https://download.01.org/0day-ci/archive/20211211/202112111458.lmt6objs-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) 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 git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10 git checkout b0e15c8c44275afef4aacfb1560e38b974b02ac8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, ^ 1 error generated. vim +/sve_cond_update_zcr_vq +129 arch/arm64/kvm/fpsimd.c 108 109 /* 110 * Write back the vcpu FPSIMD regs if they are dirty, and invalidate the 111 * cpu FPSIMD regs so that they can't be spuriously reused if this vcpu 112 * disappears and another task or vcpu appears that recycles the same 113 * struct fpsimd_state. 114 */ 115 void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu) 116 { 117 unsigned long flags; 118 bool host_has_sve = system_supports_sve(); 119 bool guest_has_sve = vcpu_has_sve(vcpu); 120 121 local_irq_save(flags); 122 123 if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED) { 124 if (guest_has_sve) { 125 __vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_el1(SYS_ZCR); 126 127 /* Restore the VL that was saved when bound to the CPU */ 128 if (!has_vhe()) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org