ppc64le crash in dm on 4.1+

[Mike Snitzer]

On Wed, Apr 29 2015 at 11:29pm -0400,
Joel Stanley <joel at jms.id.au> wrote:

> Hello,
> 
> I just booted 3d99e3fe13d473ac4578c37f477a59b829530764 (linus' tree as
> of this morning) on a Tuletta and got the following:

This is fixed with the following commit (which I just sent to Linus for
4.1-rc2 inclusion):
https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-next&id=aa6df8dd28c01d9a3d2cfcfe9dd0a4a334d1cd81