--- v11
+++ v13
@@ -1,58 +1,39 @@
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.
+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/)
For reference the previous revision is available here:
-https://lore.kernel.org/linuxppc-dev/20210330045132.722243-1-jniethe5@gmail.com/
+https://lore.kernel.org/linuxppc-dev/20210506023449.3568630-1-jniethe5@gmail.com/
-The changes in v11 for each patch:
+The changes in v13 for each patch:
Christophe Leroy (2):
powerpc/mm: implement set_memory_attr()
powerpc/32: use set_memory_attr()
-Jordan Niethe (4):
+Jordan Niethe (3):
powerpc/lib/code-patching: Set up Strict RWX patching earlier
- powerpc: Always define MODULES_{VADDR,END}
- v11: - Consider more places MODULES_VADDR was being used
powerpc/bpf: Remove bpf_jit_free()
- v11: - New to series
powerpc/bpf: Write protect JIT code
- v11: - Remove CONFIG_STRICT_MODULE_RWX conditional
Russell Currey (3):
powerpc/mm: Implement set_memory() routines
- v11: - Update copywrite dates
- - Allow set memory functions to be used without Strict RW
- - Hash: Disallow certain regions and add comment explaining why
- - Have change_page_attr() take function pointers to manipulate ptes
- - Clarify change_page_attr()'s comment
- - Radix: Add ptesync after set_pte_at()
powerpc/kprobes: Mark newly allocated probes as ROX
- v11: Neaten up
+ - v13: Use strict_kernel_rwx_enabled()
powerpc: Set ARCH_HAS_STRICT_MODULE_RWX
- v11: Neaten up
-
-Some patches were dropped from this revision:
- powerpc/mm/ptdump: debugfs handler for W+X checks at runtime
- - Will use Christophe's generic ptdump series
- powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig
- - Will enable STRICT_MODULE_RWX by default later
-
+ - v13: Use strict_kernel_rwx_enabled()
arch/powerpc/Kconfig | 2 +
- arch/powerpc/include/asm/pgtable.h | 11 ++
- arch/powerpc/include/asm/set_memory.h | 12 +++
- arch/powerpc/kernel/kprobes.c | 11 ++
- arch/powerpc/kernel/module.c | 14 +--
+ 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/kasan/kasan_init_32.c | 10 +-
- arch/powerpc/mm/pageattr.c | 138 ++++++++++++++++++++++++++
- arch/powerpc/mm/pgtable_32.c | 60 ++---------
- arch/powerpc/mm/ptdump/ptdump.c | 4 +-
+ arch/powerpc/mm/pageattr.c | 133 ++++++++++++++++++++++++++
+ arch/powerpc/mm/pgtable_32.c | 60 ++----------
arch/powerpc/net/bpf_jit_comp.c | 13 +--
- 12 files changed, 204 insertions(+), 85 deletions(-)
+ 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