linux-kernel - Re: [PATCH v2 0/4] man2: udpate mm/userfaultfd manpages to latest

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Date:   Thu, 4 Mar 2021 09:54:49 -0800
From:   Axel Rasmussen <axelrasmussen@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     linux-man@...r.kernel.org,
        Alejandro Colomar <alx.manpages@...il.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM Mailing List <linux-mm@...ck.org>
Subject: Re: [PATCH v2 0/4] man2: udpate mm/userfaultfd manpages to latest

On Thu, Mar 4, 2021 at 8:31 AM Peter Xu <peterx@...hat.com> wrote:
>
> v2 changes:
> - Fix wordings as suggested [MikeR]
> - convert ".BR" to ".B" where proper for the patchset [Alex]
> - rearrange a few lines in the last two patches where they got messed up
> - document more things, e.g. UFFDIO_COPY_MODE_WP; and also on how to resolve a
>   wr-protect page fault.
>
> There're two features missing in current manpage, namely:
>
>   (1) Userfaultfd Thread-ID feature
>   (2) Userfaultfd write protect mode
>
> There's also a 3rd one which was just contributed from Axel - Axel, I think it
> would be great if you can add that part too, probably after the whole
> hugetlbfs/shmem minor mode reaches the linux master branch.

Ack, this is on my list of "todos". Agree it makes sense to wait until
the code is in Linus' tree, then I'll send a patch for the man pages.

>
> Please review, thanks.
>
> Peter Xu (4):
>   userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs
>   userfaultfd.2: Add write-protect mode
>   ioctl_userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs
>   ioctl_userfaultfd.2: Add write-protect mode docs
>
>  man2/ioctl_userfaultfd.2 |  81 ++++++++++++++++++++++++++--
>  man2/userfaultfd.2       | 111 ++++++++++++++++++++++++++++++++++++++-
>  2 files changed, 187 insertions(+), 5 deletions(-)
>
> --
> 2.26.2
>
>