Thread (13 messages) 13 messages, 2 authors, 2021-05-17
STALE1962d

Revision v13 of 6 in this series.

Revisions (6)
  1. v10 [diff vs current]
  2. v11 [diff vs current]
  3. v12 [diff vs current]
  4. v13 current
  5. v14 [diff vs current]
  6. v15 [diff vs current]

[PATCH v13 0/8] powerpc: Further Strict RWX support

From: Jordan Niethe <hidden>
Date: 2021-05-10 01:19:16

Adding more Strict RWX support on powerpc, in particular Strict Module RWX.
Thanks for all of the feedback everyone.
It is now rebased on linux-next + powerpc/64s/radix: Enable huge vmalloc mappings
(https://lore.kernel.org/linuxppc-dev/20210503091755.613393-1-npiggin@gmail.com/ (local))

For reference the previous revision is available here: 
https://lore.kernel.org/linuxppc-dev/20210506023449.3568630-1-jniethe5@gmail.com/ (local)

The changes in v13 for each patch:

Christophe Leroy (2):
  powerpc/mm: implement set_memory_attr()
  powerpc/32: use set_memory_attr()

Jordan Niethe (3):
  powerpc/lib/code-patching: Set up Strict RWX patching earlier
  powerpc/bpf: Remove bpf_jit_free()
  powerpc/bpf: Write protect JIT code

Russell Currey (3):
  powerpc/mm: Implement set_memory() routines
  powerpc/kprobes: Mark newly allocated probes as ROX
    - v13: Use strict_kernel_rwx_enabled()
  powerpc: Set ARCH_HAS_STRICT_MODULE_RWX
    - v13: Use strict_kernel_rwx_enabled()

 arch/powerpc/Kconfig                  |   2 +
 arch/powerpc/include/asm/set_memory.h |  34 +++++++
 arch/powerpc/kernel/kprobes.c         |  17 ++++
 arch/powerpc/kernel/module.c          |   4 +-
 arch/powerpc/lib/code-patching.c      |  12 +--
 arch/powerpc/mm/Makefile              |   2 +-
 arch/powerpc/mm/pageattr.c            | 133 ++++++++++++++++++++++++++
 arch/powerpc/mm/pgtable_32.c          |  60 ++----------
 arch/powerpc/net/bpf_jit_comp.c       |  13 +--
 9 files changed, 205 insertions(+), 72 deletions(-)
 create mode 100644 arch/powerpc/include/asm/set_memory.h
 create mode 100644 arch/powerpc/mm/pageattr.c

-- 
2.25.1
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