linux-kernel - Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt

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Message-ID: <20190323063315.GB31361@kroah.com>
Date:   Sat, 23 Mar 2019 07:33:15 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "He, Bo" <bo.he@...el.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "Zhang, Jun" <jun.zhang@...el.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        "Xiao, Jin" <jin.xiao@...el.com>,
        "Bai, Jie A" <jie.a.bai@...el.com>
Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from
 softirq and interrupt

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.

greg k-h