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

From: Greg Kroah-Hartman
Date: Mon Sep 24 2018 - 13:57:07 EST


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