linux-kernel - [PATCH 0/7] mm: Use pxdp_get() for accessing page table entries

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: <20240913084433.1016256-1-anshuman.khandual@arm.com>
Date: Fri, 13 Sep 2024 14:14:26 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-mm@...ck.org
Cc: Anshuman Khandual <anshuman.khandual@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Hildenbrand <david@...hat.com>,
	Ryan Roberts <ryan.roberts@....com>,
	"Mike Rapoport (IBM)" <rppt@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	x86@...nel.org,
	linux-m68k@...ts.linux-m68k.org,
	linux-fsdevel@...r.kernel.org,
	kasan-dev@...glegroups.com,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org
Subject: [PATCH 0/7] mm: Use pxdp_get() for accessing page table entries

This series converts all generic page table entries direct derefences via
pxdp_get() based helpers extending the changes brought in via the commit
c33c794828f2 ("mm: ptep_get() conversion"). First it does some platform
specific changes for m68k and x86 architecture.

This series has been build tested on multiple architecture such as x86,
arm64, powerpc, powerpc64le, riscv, and m68k etc.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: David Hildenbrand <david@...hat.com>
Cc: Ryan Roberts <ryan.roberts@....com>
Cc: "Mike Rapoport (IBM)" <rppt@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: x86@...nel.org
Cc: linux-m68k@...ts.linux-m68k.org
Cc: linux-mm@...ck.org
Cc: linux-fsdevel@...r.kernel.org
Cc: kasan-dev@...glegroups.com
Cc: linux-kernel@...r.kernel.org
Cc: linux-perf-users@...r.kernel.org
Cc: kasan-dev@...glegroups.com

Anshuman Khandual (7):
  m68k/mm: Change pmd_val()
  x86/mm: Drop page table entry address output from pxd_ERROR()
  mm: Use ptep_get() for accessing PTE entries
  mm: Use pmdp_get() for accessing PMD entries
  mm: Use pudp_get() for accessing PUD entries
  mm: Use p4dp_get() for accessing P4D entries
  mm: Use pgdp_get() for accessing PGD entries

 arch/m68k/include/asm/page.h          |  2 +-
 arch/x86/include/asm/pgtable-3level.h | 12 ++---
 arch/x86/include/asm/pgtable_64.h     | 20 +++----
 drivers/misc/sgi-gru/grufault.c       | 10 ++--
 fs/proc/task_mmu.c                    | 26 ++++-----
 fs/userfaultfd.c                      |  6 +--
 include/linux/huge_mm.h               |  5 +-
 include/linux/mm.h                    |  6 +--
 include/linux/pgtable.h               | 38 +++++++-------
 kernel/events/core.c                  |  6 +--
 mm/gup.c                              | 40 +++++++-------
 mm/hmm.c                              |  2 +-
 mm/huge_memory.c                      | 76 +++++++++++++--------------
 mm/hugetlb.c                          | 10 ++--
 mm/hugetlb_vmemmap.c                  |  4 +-
 mm/kasan/init.c                       | 38 +++++++-------
 mm/kasan/shadow.c                     | 12 ++---
 mm/khugepaged.c                       |  4 +-
 mm/madvise.c                          |  6 +--
 mm/mapping_dirty_helpers.c            |  2 +-
 mm/memory-failure.c                   | 14 ++---
 mm/memory.c                           | 59 +++++++++++----------
 mm/mempolicy.c                        |  4 +-
 mm/migrate.c                          |  4 +-
 mm/migrate_device.c                   | 10 ++--
 mm/mlock.c                            |  6 +--
 mm/mprotect.c                         |  2 +-
 mm/mremap.c                           |  4 +-
 mm/page_table_check.c                 |  4 +-
 mm/page_vma_mapped.c                  |  6 +--
 mm/pagewalk.c                         | 10 ++--
 mm/percpu.c                           |  8 +--
 mm/pgalloc-track.h                    |  6 +--
 mm/pgtable-generic.c                  | 24 ++++-----
 mm/ptdump.c                           |  8 +--
 mm/rmap.c                             |  8 +--
 mm/sparse-vmemmap.c                   | 10 ++--
 mm/vmalloc.c                          | 46 ++++++++--------
 mm/vmscan.c                           |  6 +--
 39 files changed, 283 insertions(+), 281 deletions(-)

-- 
2.25.1