Messages in this thread | | | Date | Tue, 15 Mar 2022 21:03:13 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:google/android/kernel/common/android12-5.10-2022-02 965/9999] arch/arm64/kvm/fpsimd.c:129:33: error: implicit declaration of function 'sve_cond_update_zcr_vq' |
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Hi Marc,
FYI, the error/warning still remains.
tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.10-2022-02 head: 138191a069ba3cc62c9b3a287d76cbc0c6202f0f commit: b0e15c8c44275afef4aacfb1560e38b974b02ac8 [965/9999] FROMGIT: KVM: arm64: Save/restore SVE state for nVHE config: arm64-randconfig-r036-20220314 (https://download.01.org/0day-ci/archive/20220315/202203152036.TVkICWXr-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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/ammarfaizi2/linux-block/commit/b0e15c8c44275afef4aacfb1560e38b974b02ac8 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.10-2022-02 git checkout b0e15c8c44275afef4aacfb1560e38b974b02ac8 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/
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/arm64/kvm/fpsimd.c: In function 'kvm_arch_vcpu_put_fp': >> arch/arm64/kvm/fpsimd.c:129:33: error: implicit declaration of function 'sve_cond_update_zcr_vq' [-Werror=implicit-function-declaration] 129 | sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, | ^~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors
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()) > 129 sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1,
--- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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