Re: FAILED: patch "[PATCH] srcu: Allow use of Classic SRCU from both process and" failed to apply to 4.9-stable tree

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On Mon, Jun 12, 2017 at 09:31:51AM -0700, Paul E. McKenney wrote:
> On Mon, Jun 12, 2017 at 02:17:59PM +0200, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> > 
> > The patch below does not apply to the 4.9-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@xxxxxxxxxxxxxxx>.
> 
> Indeed, this won't apply cleanly to 4.9 and earlier because of some
> changes to the way SRCU works.  And if you try to make the obvious
> adjustments to make the patch apply, you will break SRCU.

Oh good, I was wondering about that, I thought I had backported it
properly, but then I figured I really don't know how rcu works in
detail, so decided to just punt and reject it :)

thanks,

greg k-h



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