From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 C951E12F598; Thu, 7 Mar 2024 19:06:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709838381; cv=none; b=Igp2Xigl2UlpSkwiyqQ9ceHJCiuLTRrUg0tfYr2PA5Vy2GZlHpKOp9MrCvz2ay190vzafSmAD5c2m7FounxEwxBvKvl69D/h9OfdCp2n7QDeaehgrLvmna8I/5xplRmWnPlBlMxP+42AHMmfDr13MjEpqmw2ZQuB0i9t+J5Sq70= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709838381; c=relaxed/simple; bh=5vnN3HzvbNmZuZXAM0Si1YlHaOVxj30ihRTND0eJ1G4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L/MVPy+0mHor9gDU+bxEkyaSAEIiEkGs33Faqa6sF2LCf1Rf6hef5EiFx9Nc/lzK3L/MK4VbgxUZsA8sBdq6ni5yWtp6k+JzQAgg4EAAwoqV2SfeL3dA5F3OG97NjT4C83RkVcGXIXWb+58jgoJbBZIWbLX5TySX5dG3aooMza0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=LNTZ04HX; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="LNTZ04HX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709838379; x=1741374379; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5vnN3HzvbNmZuZXAM0Si1YlHaOVxj30ihRTND0eJ1G4=; b=LNTZ04HXkbDIhCKXOEVqtjNx6Ziy4TCQOYCPecriT/73SA+m8zavQuM6 deq8a7cewykhP0hm4YnhlviQ783WpmS0W9681mqUM9l1dB2EMRZrizRCj fxlWiJrYTBoSKsz/OeNKvzYz3BKPJOnBdPDS6FKRh1qH8oXUyvF82jKzs w/sHKDcgRscNkl1KDKOqmoaCICDHsjGuL49y4GGMqfIkqg7XDHeyN/Xya f9XEay3ruBbYJkyZKSYnwOXrZE1PrceKOjbFo9QyoXNNSBMZLbRpLHgn3 BgA5Yz7e5DkfCn28kxVICzh6fJICX1wLuXmC73BfKGuelFjKWBdWXDAVI w==; X-IronPort-AV: E=McAfee;i="6600,9927,11006"; a="27000447" X-IronPort-AV: E=Sophos;i="6.07,107,1708416000"; d="scan'208";a="27000447" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2024 11:06:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,107,1708416000"; d="scan'208";a="47686842" Received: from lkp-server01.sh.intel.com (HELO b21307750695) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 07 Mar 2024 11:06:14 -0800 Received: from kbuild by b21307750695 with local (Exim 4.96) (envelope-from ) id 1riJ4F-0005WT-1M; Thu, 07 Mar 2024 19:06:11 +0000 Date: Fri, 8 Mar 2024 03:05:45 +0800 From: kernel test robot To: Jeremy Linton , linux-arm-kernel@lists.infradead.org Cc: oe-kbuild-all@lists.linux.dev, catalin.marinas@arm.com, will@kernel.org, keescook@chromium.org, Jason@zx2c4.com, gustavoars@kernel.org, mark.rutland@arm.com, rostedt@goodmis.org, arnd@arndb.de, broonie@kernel.org, guohui@uniontech.com, Manoj.Iyer@arm.com, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Jeremy Linton , James Yang , Shiyou Huang Subject: Re: [PATCH 1/1] arm64: syscall: Direct PRNG kstack randomization Message-ID: <202403080244.U8fiY8Dy-lkp@intel.com> References: <20240305221824.3300322-2-jeremy.linton@arm.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240305221824.3300322-2-jeremy.linton@arm.com> Hi Jeremy, kernel test robot noticed the following build warnings: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on arm/for-next arm/fixes kvmarm/next soc/for-next linus/master v6.8-rc7 next-20240307] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jeremy-Linton/arm64-syscall-Direct-PRNG-kstack-randomization/20240306-061930 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240305221824.3300322-2-jeremy.linton%40arm.com patch subject: [PATCH 1/1] arm64: syscall: Direct PRNG kstack randomization config: arm64-randconfig-r063-20240307 (https://download.01.org/0day-ci/archive/20240308/202403080244.U8fiY8Dy-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240308/202403080244.U8fiY8Dy-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/202403080244.U8fiY8Dy-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/arm64/kernel/syscall.c:74:12: warning: 'kstack_rng' defined but not used [-Wunused-function] 74 | static u16 kstack_rng(void) { return 0; } | ^~~~~~~~~~ vim +/kstack_rng +74 arch/arm64/kernel/syscall.c 71 72 arch_initcall(kstack_init); 73 #else > 74 static u16 kstack_rng(void) { return 0; } 75 #endif /* CONFIG_RANDOMIZE_KSTACK_OFFSET */ 76 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki