Hi, Paul:
I have tried on my PC and not hit any hang issue with RCU torture test
for one hour, the configurations are like:
OS: ubuntu 16.04
kenrel: 3.18.136 + 3.18 rcu patch
CPU: Intel(R) Xeon(R) CPU E3-1225 V2 @ 3.20GHz
-----Original Message-----
From: Paul E. McKenney <paul...@linux.ibm.com>
Sent: Tuesday, March 26, 2019 12:00 AM
To: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: He, Bo <bo...@intel.com>; linux-kernel@vger.kernel.org;
sta...@vger.kernel.org; Zhang, Jun <jun.zh...@intel.com>; Xiao, Jin
<jin.x...@intel.com>; Bai, Jie A <jie.a....@intel.com>
Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from
softirq and interrupt
On Sat, Mar 23, 2019 at 07:33:15AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Mar 22, 2019 at 04:00:17PM +0000, He, Bo wrote:
> > Hi, Greg:
> > Can you hold on the 3.18-stable branch, it seems there are some issue,
> > please see the comments from Paul:
> >
> > Comments from Paul:
> > I subjected all of the others to light rcutorture testing, which
> > they passed. This v3.18 patch hung, however. Trying it again with
> > stock
> > v3.18 got the same hang, so I believe we can exonerate the patch and give
> > it a good firm "maybe" on 3.18.
> >
> > Worth paying special attention to further test results from 3.18.x, though!
>
> Ok, I've dropped this from the 3.18.y queue now, thanks.
Bo, if you know of a "y" for 3.18.y that would likely pass rcutorture testing,
please let me know.
Thanx, Paul
