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X-CSE-ConnectionGUID: PZ6xNO1eS+W/fCgxYqF14g== X-CSE-MsgGUID: eDYgIamFQkiMIWIKZ6jMlQ== X-IronPort-AV: E=McAfee;i="6800,10657,11848"; a="96089878" X-IronPort-AV: E=Sophos;i="6.25,169,1779174000"; d="scan'208";a="96089878" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2026 03:44:31 -0700 X-CSE-ConnectionGUID: N97iP8y+Q6iIeytqFnkOxQ== X-CSE-MsgGUID: rAgtYRTQRJqbqVJQRdI/Yg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,169,1779174000"; d="scan'208";a="256201863" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa008.jf.intel.com with ESMTP; 17 Jul 2026 03:44:30 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wkg3P-00000000Se4-1R7n; Fri, 17 Jul 2026 10:44:27 +0000 Date: Fri, 17 Jul 2026 18:44:26 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android15-6.6-2026-04 1/1] arch/arm64/kvm/hyp/nvhe/serial.c:42:6: warning: no previous prototype for 'hyp_puts' Message-ID: <202607171851.qBhbVcZ5-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: tree: https://android.googlesource.com/kernel/common android15-6.6-2026-04 head: 33b6171ad078b267e1bfa3617dbe417681d7d02f commit: 485b479fee4fbb2f2b8ac3bce7cc7f994b300303 [1/1] ANDROID: KVM: arm64: Add serial framework for pKVM config: arm64-defconfig (https://download.01.org/0day-ci/archive/20260717/202607171851.qBhbVcZ5-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260717/202607171851.qBhbVcZ5-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/202607171851.qBhbVcZ5-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/arm64/kvm/hyp/nvhe/serial.c:42:6: warning: no previous prototype for 'hyp_puts' [-Wmissing-prototypes] 42 | void hyp_puts(const char *s) | ^~~~~~~~ >> arch/arm64/kvm/hyp/nvhe/serial.c:54:6: warning: no previous prototype for 'hyp_putx64' [-Wmissing-prototypes] 54 | void hyp_putx64(u64 x) | ^~~~~~~~~~ arch/arm64/kvm/hyp/nvhe/serial.c:60:6: warning: no previous prototype for 'hyp_putc' [-Wmissing-prototypes] 60 | void hyp_putc(char c) | ^~~~~~~~ >> arch/arm64/kvm/hyp/nvhe/serial.c:66:5: warning: no previous prototype for '__pkvm_register_serial_driver' [-Wmissing-prototypes] 66 | int __pkvm_register_serial_driver(void (*cb)(char)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/hyp_puts +42 arch/arm64/kvm/hyp/nvhe/serial.c 41 > 42 void hyp_puts(const char *s) 43 { 44 if (!hyp_serial_enabled()) 45 return; 46 47 while (*s) 48 __hyp_putc(*s++); 49 50 __hyp_putc('\n'); 51 __hyp_putc('\r'); 52 } 53 > 54 void hyp_putx64(u64 x) 55 { 56 if (hyp_serial_enabled()) 57 __hyp_putx4n(x, 64); 58 } 59 60 void hyp_putc(char c) 61 { 62 if (hyp_serial_enabled()) 63 __hyp_putc(c); 64 } 65 > 66 int __pkvm_register_serial_driver(void (*cb)(char)) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki