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Message-ID: <202206150420.KMU4kXzZ-lkp@intel.com>
Date:   Wed, 15 Jun 2022 04:09:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kalesh Singh <kaleshsingh@...gle.com>, mark.rutland@....com,
        broonie@...nel.org, maz@...nel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org, will@...nel.org,
        qperret@...gle.com, tabba@...gle.com, surenb@...gle.com,
        tjmercier@...gle.com, kernel-team@...roid.com,
        Kalesh Singh <kaleshsingh@...gle.com>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        "Madhavan T. Venkataraman" <madvenka@...ux.microsoft.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Jones <drjones@...hat.com>,
        Keir Fraser <keirf@...gle.com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Oliver Upton <oupton@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/5] KVM: arm64: Unwind and dump nVHE hypervisor
 stacktrace

Hi Kalesh,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on f2906aa863381afb0015a9eb7fefad885d4e5a56]

url:    https://github.com/intel-lab-lkp/linux/commits/Kalesh-Singh/KVM-nVHE-Hypervisor-stack-unwinder/20220608-011351
base:   f2906aa863381afb0015a9eb7fefad885d4e5a56
config: arm64-buildonly-randconfig-r003-20220613 (https://download.01.org/0day-ci/archive/20220615/202206150420.KMU4kXzZ-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
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/ac1ce397ffe5b05df06cdb56a30db4099c7428ec
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kalesh-Singh/KVM-nVHE-Hypervisor-stack-unwinder/20220608-011351
        git checkout ac1ce397ffe5b05df06cdb56a30db4099c7428ec
        # 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 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: kvm_arm_hyp_stacktrace_page
   >>> referenced by stacktrace.c:254 (arch/arm64/kernel/stacktrace.c:254)
   >>>               kernel/stacktrace.o:(hyp_dump_backtrace) in archive arch/arm64/built-in.a
   >>> referenced by stacktrace.c:254 (arch/arm64/kernel/stacktrace.c:254)
   >>>               kernel/stacktrace.o:(hyp_dump_backtrace) in archive arch/arm64/built-in.a

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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