linux-kernel - [PATCH v2 0/2] separate out mmap_lock/VMA locking and update MAINTAINERS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <cover.1744799282.git.lorenzo.stoakes@oracle.com>
Date: Wed, 16 Apr 2025 11:38:35 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Suren Baghdasaryan <surenb@...gle.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Matthew Wilcox <willy@...radead.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        SeongJae Park <sj@...nel.org>, Shakeel Butt <shakeel.butt@...ux.dev>,
        David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: [PATCH v2 0/2] separate out mmap_lock/VMA locking and update MAINTAINERS

Separate out mmap_lock and VMA locking logic from include/linux/mm.h and
mm/memory.c and place it in the existing mm/mmap.lock.c and
include/linux/mmap_lock.h files.

This both provides separation of concerns and allows us to correctly assign
maintainership based on file contents.

We then go on to add an entry to MAINTAINERS adding the appropriate people
as maintainers and reviewers of this code.

This was first raised in the patch adding tracing files to the MEMORY
MAPPING in [0], kindly pointed out by SJ in [1]. This series implements the
suggested changes.

[0]: https://lore.kernel.org/all/20250411173328.8172-1-Liam.Howlett@oracle.com/
[1]: https://lore.kernel.org/all/20250411174734.51719-1-sj@kernel.org/

v2:
* Fixed typo in mmap_lock.c from errant C-v keystroke in emacs as reported by
  Suren.
* Moved nommu definition of lock_mm_and_find_vma() as reported by Suren.
* Added Shakeel as R as suggested by Liam and confirmed by Shakeel.
* Moved myself and Liam to M's as discussed with Liam + Suren (and also
  confirmed by David that his tags may be propagated to this).
* Added tags (thanks all!)

v1:
https://lore.kernel.org/all/cover.1744720574.git.lorenzo.stoakes@oracle.com/

Lorenzo Stoakes (2):
  mm: move mmap/vma locking logic into specific files
  MAINTAINERS: add section for locking of mm's and VMAs

 MAINTAINERS               |  16 +++
 include/linux/mm.h        | 231 +-------------------------------
 include/linux/mmap_lock.h | 227 +++++++++++++++++++++++++++++++
 mm/memory.c               | 252 -----------------------------------
 mm/mmap_lock.c            | 273 ++++++++++++++++++++++++++++++++++++++
 mm/nommu.c                |  16 ---
 6 files changed, 520 insertions(+), 495 deletions(-)

--
2.49.0