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Message-ID: <20210316234307.GZ2696@paulmck-ThinkPad-P72>
Date: Tue, 16 Mar 2021 16:43:07 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: kernel test robot <lkp@...el.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [rcu:rcu/next 33/36] ERROR: modpost: "rcu_read_unlock_longwait"
undefined!
On Wed, Mar 17, 2021 at 07:18:34AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
> head: 9035ae87fcb36d2a7c8872e1cc0a46c0c5b619a8
> commit: bd6ae31d1b1f22ab7ff8376b416f09d93d9ef75d [33/36] rcutorture: Add the ability to torture RCU longsleep
> config: x86_64-randconfig-r015-20210316 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=bd6ae31d1b1f22ab7ff8376b416f09d93d9ef75d
> git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> git fetch --no-tags rcu rcu/next
> git checkout bd6ae31d1b1f22ab7ff8376b416f09d93d9ef75d
> # save the attached .config to linux build tree
> make W=1 ARCH=x86_64
>
> 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: "rcu_read_unlock_longwait" [kernel/rcu/rcutorture.ko] undefined!
> >> ERROR: modpost: "rcu_read_lock_longwait" [kernel/rcu/rcutorture.ko] undefined!
> >> ERROR: modpost: "rcu_read_lock_longwait_held" [kernel/rcu/rcutorture.ko] undefined!
Good catch, fixed with attribution, thank you!
Thanx, Paul
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