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X-IronPort-AV: E=McAfee;i="6200,9189,10243"; a="247152538" X-IronPort-AV: E=Sophos;i="5.88,329,1635231600"; d="scan'208";a="247152538" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2022 15:29:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,329,1635231600"; d="scan'208";a="478894870" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 30 Jan 2022 15:29:56 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nEJdr-000R6l-Sy; Sun, 30 Jan 2022 23:29:55 +0000 Date: Mon, 31 Jan 2022 07:29:27 +0800 From: kernel test robot To: Marc Zyngier Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Quentin Perret , Will Deacon Subject: [ammarfaizi2-block:google/android/kernel/common/android12-trusty-5.10 4728/5869] arch/arm64/kvm/fpsimd.c:129:33: error: implicit declaration of function 'sve_cond_update_zcr_vq' Message-ID: <202201310747.97NUbiDf-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marc, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-trusty-5.10 head: 94a36a1374e79fb3aa3539f8b99aa110fdc7b7a0 commit: b0e15c8c44275afef4aacfb1560e38b974b02ac8 [4728/5869] FROMGIT: KVM: arm64: Save/restore SVE state for nVHE config: arm64-randconfig-c023-20220125 (https://download.01.org/0day-ci/archive/20220131/202201310747.97NUbiDf-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-trusty-5.10 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 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, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org