From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) (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 902441FD0 for ; Tue, 22 Aug 2023 07:27:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692689232; x=1724225232; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5BvUBVq5c18FYkdow2LtUFiNA3JaxATcBp9fWqHOv4M=; b=QO2Eg4xnR2Gh59QcR2XpMp9jwoD+ZKg8oEYddOUSkLuSFuqdT28ygFJT AJo70/Yv5IlbVA2If2WTg858QcI6zszILUTWoHy6PfwzldTC62NNiHN/o Unou3V4RRPapadByEeOb7weEBnhq+n6+9eOXhy7qX9aRa/pJhFAP10MbJ JNlBXCVArGDcoyZ9vAQy4i99RMDSmIBN9mhm/Vz0GQEYPiKMkcDENYZCE zUyehzQInnyDY43ToNaci9n2qBTxfzp2DuyUaomzYHYxZh2U+GkGpGUDo 0mpDwRQ281sJZ+LkxPGpx10+hphQuQ/v3Fbdx/fAX48OouNAwirSmO4u3 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10809"; a="353374841" X-IronPort-AV: E=Sophos;i="6.01,192,1684825200"; d="scan'208";a="353374841" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Aug 2023 00:24:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10809"; a="909994836" X-IronPort-AV: E=Sophos;i="6.01,192,1684825200"; d="scan'208";a="909994836" Received: from lkp-server02.sh.intel.com (HELO 6809aa828f2a) ([10.239.97.151]) by orsmga005.jf.intel.com with ESMTP; 22 Aug 2023 00:24:45 -0700 Received: from kbuild by 6809aa828f2a with local (Exim 4.96) (envelope-from ) id 1qYLkp-0001Vj-1a; Tue, 22 Aug 2023 07:24:43 +0000 Date: Tue, 22 Aug 2023 15:23:40 +0800 From: kernel test robot To: Andrew Cooper Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH RFC 4/4] x86/srso: Use CALL-based return thunks to reduce overhead Message-ID: <202308221422.3HLEiqns-lkp@intel.com> References: <20230821112723.3995187-5-andrew.cooper3@citrix.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 In-Reply-To: <20230821112723.3995187-5-andrew.cooper3@citrix.com> Hi Andrew, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on 6405b72e8d17bd1875a56ae52d23ec3cd51b9d66] url: https://github.com/intel-lab-lkp/linux/commits/Andrew-Cooper/x86-srso-Rename-srso_alias_-to-srso_fam19_/20230821-192855 base: 6405b72e8d17bd1875a56ae52d23ec3cd51b9d66 patch link: https://lore.kernel.org/r/20230821112723.3995187-5-andrew.cooper3%40citrix.com patch subject: [PATCH RFC 4/4] x86/srso: Use CALL-based return thunks to reduce overhead config: x86_64-buildonly-randconfig-005-20230822 (https://download.01.org/0day-ci/archive/20230822/202308221422.3HLEiqns-lkp@intel.com/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: (https://download.01.org/0day-ci/archive/20230822/202308221422.3HLEiqns-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/202308221422.3HLEiqns-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/lib/retpoline.o: warning: objtool: srso_fam17_return_thunk(): can't find starting instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki