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X-CSE-ConnectionGUID: Ci1LIpUAR/68vx0JtsJjOg== X-CSE-MsgGUID: z/60Eub9RXCO1PNwVrwqAw== X-IronPort-AV: E=McAfee;i="6700,10204,11318"; a="37750792" X-IronPort-AV: E=Sophos;i="6.13,213,1732608000"; d="scan'208";a="37750792" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jan 2025 12:38:32 -0800 X-CSE-ConnectionGUID: 404QihrDSluOqGmN/6j9OQ== X-CSE-MsgGUID: jPMoEO70S5encwXVRXKV5g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="110541494" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 17 Jan 2025 12:38:31 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tYt6r-000Tgh-0j; Fri, 17 Jan 2025 20:38:29 +0000 Date: Sat, 18 Jan 2025 04:37:30 +0800 From: kernel test robot To: kernel@openeuler.org, Liao Chen Cc: oe-kbuild-all@lists.linux.dev Subject: [openeuler:OLK-6.6 1826/1826] arch/arm64/kernel/ipi_nmi.c:39:2: error: call to undeclared function '__printk_safe_enter'; ISO C99 and later do not support implicit function declarations Message-ID: <202501180414.2c8NAnVD-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a5cbe5b715d9cac271b2c6175e728f0c4167f675 commit: 5e3e94b1477ca3f6cb47ae8137a4a99fe0ef6147 [1826/1826] arm64: Add non nmi ipi backtrace support config: arm64-randconfig-r123-20250118 (https://download.01.org/0day-ci/archive/20250118/202501180414.2c8NAnVD-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20250118/202501180414.2c8NAnVD-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/202501180414.2c8NAnVD-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/arm64/kernel/ipi_nmi.c:39:2: error: call to undeclared function '__printk_safe_enter'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] __printk_safe_enter(); ^ >> arch/arm64/kernel/ipi_nmi.c:41:2: error: call to undeclared function '__printk_safe_exit'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] __printk_safe_exit(); ^ 2 errors generated. vim +/__printk_safe_enter +39 arch/arm64/kernel/ipi_nmi.c 35 36 #ifdef CONFIG_NON_NMI_IPI_BACKTRACE 37 static void ipi_cpu_backtrace(void *info) 38 { > 39 __printk_safe_enter(); 40 nmi_cpu_backtrace(get_irq_regs()); > 41 __printk_safe_exit(); 42 } 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki