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Date: Tue, 31 Mar 2020 15:48:18 +1100
From: Russell Currey <ruscur@...sell.cc>
To: linuxppc-dev@...ts.ozlabs.org
Cc: Russell Currey <ruscur@...sell.cc>,
christophe.leroy@....fr,
mpe@...erman.id.au,
ajd@...ux.ibm.com,
dja@...ens.net,
npiggin@...il.com,
kernel-hardening@...ts.openwall.com
Subject: [PATCH v7 0/7] set_memory() routines and STRICT_MODULE_RWX
Addressing review comments from Daniel Axtens.
v6: https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=163335
v5: https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=160869
Changes since v6:
[1/7] and [6/7]: Check for negative values of numpages and use
apply_to_existing_page_range() thanks to dja
Thanks for the feedback.
Christophe Leroy (2):
powerpc/mm: implement set_memory_attr()
powerpc/32: use set_memory_attr()
Russell Currey (5):
powerpc/mm: Implement set_memory() routines
powerpc/kprobes: Mark newly allocated probes as RO
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
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 | 114 +++++++++++++++++++++++++
arch/powerpc/mm/pgtable_32.c | 95 +++------------------
arch/powerpc/mm/ptdump/ptdump.c | 21 ++++-
9 files changed, 199 insertions(+), 93 deletions(-)
create mode 100644 arch/powerpc/include/asm/set_memory.h
create mode 100644 arch/powerpc/mm/pageattr.c
--
2.26.0
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