(In reply to comment #2)
> Will it suffice to cherry-pick
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> ?id=14ac88af156efcefac9ba3cf249ae84f9ff71d37 to get that behaviour in 3.12?

I think that should do it.  I don't remember if there are any dependencies on
previous patches.