Re: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed in EL1

From: kernel test robot <lkp@intel.com>
To: Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-arm-kernel@lists.infradead.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Mark Brown <broonie@kernel.org>,
	Marc Zyngier <maz@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed in EL1
Date: Sat, 25 Mar 2023 08:37:27 +0800	[thread overview]
Message-ID: <202303250802.KytExIHw-lkp@intel.com> (raw)
In-Reply-To: <20230324055127.2228330-1-anshuman.khandual@arm.com>

Hi Anshuman,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on arm/for-next arm/fixes kvmarm/next soc/for-next xilinx-xlnx/master linus/master v6.3-rc3 next-20230324]
[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/Anshuman-Khandual/arm64-Disable-EL2-traps-for-BRBE-instructions-executed-in-EL1/20230324-135312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20230324055127.2228330-1-anshuman.khandual%40arm.com
patch subject: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed in EL1
config: arm64-randconfig-r001-20230322 (https://download.01.org/0day-ci/archive/20230325/202303250802.KytExIHw-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/457bbac085c7f83be1a63b54f6caf32b820503eb
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Anshuman-Khandual/arm64-Disable-EL2-traps-for-BRBE-instructions-executed-in-EL1/20230324-135312
        git checkout 457bbac085c7f83be1a63b54f6caf32b820503eb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303250802.KytExIHw-lkp@intel.com/

All errors (new ones prefixed by >>):

>> <instantiation>:36:14: error: expected compatible register or logical immediate
    orr x0, x0, #HFGITR_EL2_nBRBIALL
                ^
   <instantiation>:10:2: note: while in macro instantiation
    __init_el2_fgt
    ^
   arch/arm64/kernel/head.S:577:2: note: while in macro instantiation
    init_el2_state
    ^
   <instantiation>:37:14: error: expected compatible register or logical immediate
    orr x0, x0, #HFGITR_EL2_nBRBINJ
                ^
   <instantiation>:10:2: note: while in macro instantiation
    __init_el2_fgt
    ^
   arch/arm64/kernel/head.S:577:2: note: while in macro instantiation
    init_el2_state
    ^

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests