linux-kernel - Re: [PATCH 4.18 207/235] rcu: Fix grace-period hangs due to race with CPU offline

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Date:   Mon, 24 Sep 2018 19:56:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: Re: [PATCH 4.18 207/235] rcu: Fix grace-period hangs due to race
 with CPU offline

On Mon, Sep 24, 2018 at 09:44:06AM -0700, Paul E. McKenney wrote:
> On Mon, Sep 24, 2018 at 01:53:13PM +0200, Greg Kroah-Hartman wrote:
> > 4.18-stable review patch.  If anyone has any objections, please let me know.
> 
> This should not be needed in 4.18 because of a number of crude but
> effective grace-period forward-progress failsafes.  I have not tested
> it in isolation.  It looks harmless enough, but all testing has been in
> conjunction with a large number of preceding patches.
> 
> I therefore strongly recommend against backporting this one.

Now dropped from all 3 queues, thanks for letting me know.

greg k-h