linux-kernel - Re: [PATCH v5 2/2] tick/sched: Ensure quiet_vmstat() is called when the idle tick was stopped too

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Message-ID: <202208030608.T5WKMCpb-lkp@intel.com>
Date:   Wed, 3 Aug 2022 06:11:27 +0800
From:   kernel test robot <lkp@...el.com>
To:     Aaron Tomlin <atomlin@...hat.com>, frederic@...nel.org,
        mtosatti@...hat.com
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org, cl@...ux.com,
        tglx@...utronix.de, mingo@...nel.org, peterz@...radead.org,
        pauld@...hat.com, neelx@...hat.com, oleksandr@...alenko.name,
        atomlin@...mlin.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH v5 2/2] tick/sched: Ensure quiet_vmstat() is called when
 the idle tick was stopped too

Hi Aaron,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.19 next-20220728]
[cannot apply to tip/timers/nohz]
[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/Aaron-Tomlin/tick-sched-Ensure-quiet_vmstat-is-called-when-the-idle-tick-was-stopped-too/20220802-074341
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9de1f9c8ca5100a02a2e271bdbde36202e251b4b
config: i386-randconfig-a002-20220801 (https://download.01.org/0day-ci/archive/20220803/202208030608.T5WKMCpb-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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
        # https://github.com/intel-lab-lkp/linux/commit/a0d3b9fe31484c4c44c430d10d0b60e2e0551525
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Aaron-Tomlin/tick-sched-Ensure-quiet_vmstat-is-called-when-the-idle-tick-was-stopped-too/20220802-074341
        git checkout a0d3b9fe31484c4c44c430d10d0b60e2e0551525
        # 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=i386 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: tick_nohz_user_enter_prepare
   >>> referenced by common.c
   >>>               entry/common.o:(exit_to_user_mode_prepare) in archive kernel/built-in.a
   >>> referenced by common.c
   >>>               entry/common.o:(exit_to_user_mode_prepare) in archive kernel/built-in.a

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