Re: [PATCH v3 00/28] userfaultfd: write protection support

From: Jerome Glisse
Date: Thu Apr 18 2019 - 17:07:15 EST

On Tue, Apr 09, 2019 at 02:08:39PM +0800, Peter Xu wrote:
> On Wed, Mar 20, 2019 at 10:06:14AM +0800, Peter Xu wrote:
> > This series implements initial write protection support for
> > userfaultfd. Currently both shmem and hugetlbfs are not supported
> > yet, but only anonymous memory. This is the 3nd version of it.
> >
> > The latest code can also be found at:
> >
> >
> >
> > Note again that the first 5 patches in the series can be seen as
> > isolated work on page fault mechanism. I would hope that they can be
> > considered to be reviewed/picked even earlier than the rest of the
> > series since it's even useful for existing userfaultfd MISSING case
> > [8].
> Ping - any further comments for v3? Is there any chance to have this
> series (or the first 5 patches) for 5.2?

Few issues left, sorry for taking so long to get to review, sometimes
it goes to the bottom of my stack.

I am guessing this should be merge through Andrew ? Unless Andrea have
a tree for userfaultfd (i am not following all that closely).

>From my point of view it almost all look good. I sent review before
this email. Maybe we need some review from x86 folks on the x86 arch
changes for the feature ?