[PATCH v15 0/9] powerpc: Further Strict RWX support

Adding more Strict RWX support on powerpc, in particular Strict Module RWX.
It is now rebased on ppc next.

For reference the previous revision is available here: 
https://lore.kernel.org/linuxppc-dev/20210517032810.129949-1-jniethe5@gmail.com/ (local)

Changes for v15:

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

Jordan Niethe (4):
  powerpc/lib/code-patching: Set up Strict RWX patching earlier
  powerpc/modules: Make module_alloc() Strict Module RWX aware
  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
  powerpc: Set ARCH_HAS_STRICT_MODULE_RWX
    - Force STRICT_KERNEL_RWX if STRICT_MODULE_RWX is selected
    - Predicate on !PPC_BOOK3S_32 instead


 arch/powerpc/Kconfig                  |   3 +
 arch/powerpc/include/asm/mmu.h        |   5 +
 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            | 134 ++++++++++++++++++++++++++
 arch/powerpc/mm/pgtable_32.c          |  60 ++----------
 arch/powerpc/net/bpf_jit_comp.c       |  13 +--
 10 files changed, 212 insertions(+), 72 deletions(-)
 create mode 100644 arch/powerpc/include/asm/set_memory.h
 create mode 100644 arch/powerpc/mm/pageattr.c

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2.25.1