From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 477DA1869 for ; Wed, 22 Jun 2022 18:13:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1655921581; x=1687457581; h=date:from:to:cc:subject:message-id:mime-version; bh=kWllMF9oZEgWO456YfAB4Nn12pwMbxEk0EnZ7zp587k=; b=D5fUFBd8i9bhlxif0jJ8SeHmA2KU+Hvhk/W4y0PS/GyJzExLWrNzo433 0W3Hnz6z8L70vTq/Kor8B+Uni6BHS/Kbxgh3NplqHhapnDjUykenAeX4s JW4crvUnqiW2Lb/lQ5SbCCG7uSR+Rgy2/scDYn60gYDS6kSFpaDVW3sfv EVaq2GYGn1obPtixGL3OaQQuhUt/lw5s58QWp1R+6GC5y9FLpIaqtBHXy AsqiGZymZhxrNX8J/89AEYDjHI0ikjsqbJbDzHF84ukgjmwFBSOgFe/8j Yd74+gw6BqmwO8EBJVZd2KPbjEjJxwGMFNYgB9EXd7hfrtE+rhz2QhHVM w==; X-IronPort-AV: E=McAfee;i="6400,9594,10386"; a="269220344" X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="269220344" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2022 10:47:57 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,212,1650956400"; d="scan'208";a="588286532" Received: from lkp-server02.sh.intel.com (HELO a67cc04a5eeb) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 22 Jun 2022 10:47:56 -0700 Received: from kbuild by a67cc04a5eeb with local (Exim 4.95) (envelope-from ) id 1o44SJ-0001XX-DB; Wed, 22 Jun 2022 17:47:55 +0000 Date: Thu, 23 Jun 2022 01:46:56 +0800 From: kernel test robot To: Andi Kleen Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [jirislaby:lto 32/45] arch/x86/kernel/paravirt.c:123:15: warning: no previous prototype for function 'native_steal_clock' Message-ID: <202206230120.YLCB69tS-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@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://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git lto head: 8047611082d70c5263114fabce8c80a4c3d251fa commit: b2efc66d269d1bb2b1b2a8aac7e873ed266678ba [32/45] x86/paravirt/lto: Export native_steal_clock config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220623/202206230120.YLCB69tS-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 8b8d126598ce7bd5243da7f94f69fa1104288bee) 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://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git/commit/?id=b2efc66d269d1bb2b1b2a8aac7e873ed266678ba git remote add jirislaby https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git git fetch --no-tags jirislaby lto git checkout b2efc66d269d1bb2b1b2a8aac7e873ed266678ba # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> arch/x86/kernel/paravirt.c:123:15: warning: no previous prototype for function 'native_steal_clock' [-Wmissing-prototypes] __visible u64 native_steal_clock(int cpu) ^ arch/x86/kernel/paravirt.c:123:11: note: declare 'static' if the function is not intended to be used outside of this translation unit __visible u64 native_steal_clock(int cpu) ^ static 1 warning generated. vim +/native_steal_clock +123 arch/x86/kernel/paravirt.c 122 > 123 __visible u64 native_steal_clock(int cpu) 124 { 125 return 0; 126 } 127 -- 0-DAY CI Kernel Test Service https://01.org/lkp