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X-CSE-ConnectionGUID: 5cnrx5qOTHG2OW9uq3qKRg== X-CSE-MsgGUID: an+NiRKHRTC5MW4OdLdNZg== X-IronPort-AV: E=McAfee;i="6800,10657,11744"; a="75107266" X-IronPort-AV: E=Sophos;i="6.23,151,1770624000"; d="scan'208";a="75107266" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2026 21:33:09 -0700 X-CSE-ConnectionGUID: e0RGt+wLT2iCs/eiDGUVkw== X-CSE-MsgGUID: mO/j8bs2QtSF6elO23hkuA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,151,1770624000"; d="scan'208";a="227867971" Received: from lkp-server01.sh.intel.com (HELO 283bf2e1b94a) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 30 Mar 2026 21:33:08 -0700 Received: from kbuild by 283bf2e1b94a with local (Exim 4.98.2) (envelope-from ) id 1w7Qmn-000000002E1-3Q6p; Tue, 31 Mar 2026 04:33:05 +0000 Date: Tue, 31 Mar 2026 12:32:50 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android15-6.6 0/2] arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler' Message-ID: <202603311207.TrsAxm4F-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Sebastian, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android15-6.6 head: 5fdbbd61a3cbdca7ac1034dc16723bdbc7ece8cc commit: 340ef6cb4081cb305235a059f1c142345ac1a71d [0/2] ANDROID: KVM: arm64: Add smc64 trap handling for protected guests config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260331/202603311207.TrsAxm4F-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260331/202603311207.TrsAxm4F-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202603311207.TrsAxm4F-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/arm64/kvm/hyp/nvhe/pkvm.c:1725:5: warning: no previous prototype for '__pkvm_register_guest_smc_handler' [-Wmissing-prototypes] 1725 | int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/__pkvm_register_guest_smc_handler +1725 arch/arm64/kvm/hyp/nvhe/pkvm.c 1724 > 1725 int __pkvm_register_guest_smc_handler(bool (*cb)(struct arm_smccc_1_2_regs *, 1726 struct arm_smccc_res *res, 1727 pkvm_handle_t handle), 1728 pkvm_handle_t handle) 1729 { 1730 int ret = -EINVAL; 1731 struct pkvm_hyp_vm *vm; 1732 1733 if (!cb) 1734 return ret; 1735 1736 hyp_read_lock(&vm_table_lock); 1737 vm = get_vm_by_handle(handle); 1738 if (vm) 1739 ret = cmpxchg_release(&vm->smc_handler, NULL, cb) ? -EBUSY : 0; 1740 hyp_read_unlock(&vm_table_lock); 1741 1742 return ret; 1743 } 1744 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki