Re: [PATCH 4.4 103/105] Revert "x86/mm/pat: Ensure cpa->pfn only contains page frame numbers"

From: Roland Dreier
Date: Wed Aug 29 2018 - 15:58:17 EST


> > Perhaps just the patch that Andi posted to the stable list helps out
> > here?
> >
>
> For reference:
>
> https://www.spinics.net/lists/stable/msg253357.html
>
> That would be the most straightforward and simple fix, so I would prefer
> to go with it if it works.

Sorry for being slow, it turned out to take a slightly bigger stack of
patches to get everything working.

I agree, Andi's simple fix is better anyway.

- R.