linux-kernel - Re: [PATCH] KVM: Consider SMT idle status when halt polling

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Date:   Thu, 22 Jul 2021 21:35:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Li RongQing <lirongqing@...du.com>, pbonzini@...hat.com,
        mingo@...hat.com, peterz@...radead.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org
Subject: Re: [PATCH] KVM: Consider SMT idle status when halt polling

Hi Li,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/sched/core]
[also build test ERROR on vhost/linux-next v5.14-rc2 next-20210722]
[cannot apply to kvm/queue]
[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]

url:    https://github.com/0day-ci/linux/commits/Li-RongQing/KVM-Consider-SMT-idle-status-when-halt-polling/20210722-120700
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 031e3bd8986fffe31e1ddbf5264cccfe30c9abd7
config: s390-buildonly-randconfig-r003-20210722 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9625ca5b602616b2f5584e8a49ba93c52c141e40)
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 s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/0day-ci/linux/commit/df205655d183524ffe8547bcc0f230a6f3217566
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Li-RongQing/KVM-Consider-SMT-idle-status-when-halt-polling/20210722-120700
        git checkout df205655d183524ffe8547bcc0f230a6f3217566
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "idle_cpu" [arch/s390/kvm/kvm.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (34545 bytes)