linux-kernel - Re: [BUG] vfio device assignment regression with THP ref counting redesign

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Date:	Wed, 4 May 2016 19:19:27 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Andrea Arcangeli <aarcange@...hat.com>
Cc:	"Kirill A. Shutemov" <kirill@...temov.name>,
	kirill.shutemov@...ux.intel.com, linux-kernel@...r.kernel.org,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [BUG] vfio device assignment regression with THP ref counting
 redesign

On Mon, 2 May 2016 20:03:07 +0200
Andrea Arcangeli <aarcange@...hat.com> wrote:

> On Mon, May 02, 2016 at 07:00:42PM +0300, Kirill A. Shutemov wrote:
> > Agreed. I just didn't see the two-refcounts solution.  
> 
> If you didn't do it already or if you're busy with something else,
> I can change the patch to the two refcount solution, which should
> restore the old semantics without breaking rmap.

I didn't see any follow-up beyond this nor patches on lkml.  Do we have
something we feel confident for posting to v4.6 with a stable backport
to v4.5?  Thanks,

Alex