12:57 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core
head: 604984441ff16ddefea9970c234baf8b6c542e98
commit: 604984441ff16ddefea9970c234baf8b6c542e98 [7/7] locking/percpu-rwsem: Fold
__percpu_up_read()
config: x86_64-randconfig-g003-20191220 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
git checkout 604984441ff16ddefea9970c234baf8b6c542e98
# save the attached .config to linux build tree
make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
> ERROR: "rcuwait_wake_up"
[kernel/locking/locktorture.ko] undefined!
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
1:46 p.m.
On Sat, Dec 21, 2019 at 08:57:58PM +0800, kbuild test robot wrote:
>> ERROR: "rcuwait_wake_up"
[kernel/locking/locktorture.ko] undefined!
This should fix it, I suppose. Folded into the patch.
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -258,6 +258,7 @@ void rcuwait_wake_up(struct rcuwait *w)
wake_up_process(task);
rcu_read_unlock();
}
+EXPORT_SYMBOL_GPL(rcuwait_wake_up);
/*
* Determine if a process group is "orphaned", according to the POSIX
1:28 a.m.
On Tue, 07 Jan 2020, Peter Zijlstra wrote:
On Sat, Dec 21, 2019 at 08:57:58PM +0800, kbuild test robot wrote:
> >> ERROR: "rcuwait_wake_up" [kernel/locking/locktorture.ko]
undefined!
This should fix it, I suppose. Folded into the patch.
Thanks, this reminds me about a missing might_sleep annotation for writer.
And overall I'm quite fond of this series. I'll reply upstream.
11:59 a.m.
On Tue, Jan 07, 2020 at 05:28:35PM -0800, Davidlohr Bueso wrote:
On Tue, 07 Jan 2020, Peter Zijlstra wrote:
> On Sat, Dec 21, 2019 at 08:57:58PM +0800, kbuild test robot wrote:
>
> > >> ERROR: "rcuwait_wake_up" [kernel/locking/locktorture.ko]
undefined!
>
> This should fix it, I suppose. Folded into the patch.
Thanks, this reminds me about a missing might_sleep annotation for writer.
And overall I'm quite fond of this series. I'll reply upstream.
OK, added that patch to the series, I'll try and get the series reposted
soon, I think I addressed all the previous feedback.
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3 comments
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participants (3)
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Davidlohr Bueso -
kbuild test robot -
Peter Zijlstra