[PATCH v4 0/8] set_memory() routines and STRICT_MODULE_RWX
Russell Currey
ruscur at russell.cc
Wed Feb 26 17:23:55 AEDT 2020
Picking up from Christophe's last series, including the following changes:
- [6/8] Cast "data" to unsigned long instead of int to fix build
- [8/8] New, to fix an issue reported by Jordan Niethe
Christophe's last series is here:
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=156428
Christophe Leroy (4):
powerpc/mm: Implement set_memory() routines
powerpc/kprobes: Mark newly allocated probes as RO
powerpc/mm: implement set_memory_attr()
powerpc/32: use set_memory_attr()
Russell Currey (4):
powerpc/mm/ptdump: debugfs handler for W+X checks at runtime
powerpc: Set ARCH_HAS_STRICT_MODULE_RWX
powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig
powerpc/mm: Disable set_memory() routines when strict RWX isn't
enabled
arch/powerpc/Kconfig | 2 +
arch/powerpc/Kconfig.debug | 6 +-
arch/powerpc/configs/skiroot_defconfig | 1 +
arch/powerpc/include/asm/set_memory.h | 34 ++++++++
arch/powerpc/kernel/kprobes.c | 17 +++-
arch/powerpc/mm/Makefile | 2 +-
arch/powerpc/mm/pageattr.c | 112 +++++++++++++++++++++++++
arch/powerpc/mm/pgtable_32.c | 95 +++------------------
arch/powerpc/mm/ptdump/ptdump.c | 21 ++++-
9 files changed, 197 insertions(+), 93 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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