cxl: fix setting of _PAGE_USER bit when handling page faults

[Michael Ellerman]

On Mon, 2016-04-11 at 14:10 +1000, Andrew Donnellan wrote:
> On 29/03/16 00:42, Aneesh Kumar K.V wrote:
> > I noticed this when doing radix support and have a variant posted at
> > 
> > https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-March/141036.html
> 
> I'm happy for this to be fixed in your radix series.

I'm not :)

This needs a stand-alone fix that we can backport.

cheers