linux-kernel - Re: [PATCH v3 00/27] userfaultfd-wp: Support shmem and hugetlbfs

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Message-ID: <YLgdzo0wHIi5RaLj@t490s>
Date:   Wed, 2 Jun 2021 20:09:50 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Hugh Dickins <hughd@...gle.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Jerome Glisse <jglisse@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v3 00/27] userfaultfd-wp: Support shmem and hugetlbfs

On Wed, Jun 02, 2021 at 03:36:06PM -0700, Andrew Morton wrote:
> On Wed, 2 Jun 2021 10:40:04 -0400 Peter Xu <peterx@...hat.com> wrote:
> 
> > On Thu, May 27, 2021 at 04:19:00PM -0400, Peter Xu wrote:
> > > This is v3 of uffd-wp shmem & hugetlbfs support, which completes uffd-wp as a
> > > kernel full feature, as it only supports anonymous before this series.  It's
> > > based on latest v5.13-rc3-mmots-2021-05-25-20-12.
> > 
> > Andrew,
> > 
> > Any suggestion on how I should move on with this series?
> > 
> 
> It is large, and thinly reviewed.  I haven't seriously looked at it
> yet.  If nothing much else happens I might toss it in there for some
> additional exposure but I do think more input from other developers is
> needed before we go further.

It's just that the 1st RFC series was posted ~6 months ago and the major things
should be mostly the same since then (we've got a few patches merged; but
mostly for the sake of dependencies of other projects):

https://lore.kernel.org/lkml/20210115170907.24498-1-peterx@redhat.com/

So I start to doubt whether I should ask you for help (after bothering at least
Mike and Hugh already :), as I have very little confidence that this series
will be reviewed thoroughly in the near future if I do nothing.

But I definitely agree with you, it's still relatively large changeset with not
so much review done.  Let's keep it there for some more time, then.

Thanks,

-- 
Peter Xu