linux-kernel - Re: [PATCH 3/3] kthread: Stop abusing TASK

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Date:   Mon, 27 Jun 2022 06:34:20 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        LKML <linux-kernel@...r.kernel.org>,
        Christian Brauner <brauner@...nel.org>,
        Tejun Heo <tj@...nel.org>, Petr Mladek <pmladek@...e.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Michal Hocko <mhocko@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Oleg Nesterov <oleg@...hat.com>
Subject: Re: [PATCH 3/3] kthread: Stop abusing TASK_UNINTERRUPTIBLE
 (INCOMPLETE)

Hi "Eric,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on mkp-scsi/for-next]
[also build test ERROR on jejb-scsi/for-next linus/master v5.19-rc3]
[cannot apply to linux/master next-20220624]
[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/intel-lab-lkp/linux/commits/Eric-W-Biederman/kthread-Remove-the-flags-argument-from-kernel_thread/20220627-041557
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-a012
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b0d6dd3905db145853c7c744ac92d49b00b1fa20)
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/950f4922fa2aef3d2e68b4b2ab728c6945830991
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Eric-W-Biederman/kthread-Remove-the-flags-argument-from-kernel_thread/20220627-041557
        git checkout 950f4922fa2aef3d2e68b4b2ab728c6945830991
        # 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=x86_64 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 >>, old ones prefixed by <<):

ERROR: modpost: "wake_up_new_task" [kernel/rcu/rcutorture.ko] undefined!
ERROR: modpost: "wake_up_new_task" [fs/nfs/nfsv4.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/ext4/ext4.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/jbd2/jbd2.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/ecryptfs/ecryptfs.ko] undefined!
ERROR: modpost: "wake_up_new_task" [fs/cifs/cifs.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/nilfs2/nilfs2.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/gfs2/gfs2.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [fs/f2fs/f2fs.ko] undefined!
>> ERROR: modpost: "wake_up_new_task" [drivers/char/ipmi/ipmi_si.ko] undefined!
WARNING: modpost: suppressed 30 unresolved symbol warnings because there were too many)

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