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Date: Tue, 29 Oct 2019 16:02:36 -0700
From: Kees Cook <keescook@...omium.org>
To: Russell Currey <ruscur@...sell.cc>
Cc: linuxppc-dev@...ts.ozlabs.org, christophe.leroy@....fr, joel@....id.au,
mpe@...erman.id.au, ajd@...ux.ibm.com, dja@...ens.net,
npiggin@...il.com, kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v4 0/4] Implement STRICT_MODULE_RWX for powerpc
On Mon, Oct 14, 2019 at 04:13:16PM +1100, Russell Currey wrote:
> v3 cover letter here:
> https://lists.ozlabs.org/pipermail/linuxppc-dev/2019-October/198023.html
>
> Only minimal changes since then:
>
> - patch 2/4 commit message update thanks to Andrew Donnellan
> - patch 3/4 made neater thanks to Christophe Leroy
> - patch 3/4 updated Kconfig description thanks to Daniel Axtens
I continue to be excited about this work. :) Is there anything holding
it back from landing in linux-next?
-Kees
>
> Russell Currey (4):
> 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: Enable STRICT_MODULE_RWX
>
> arch/powerpc/Kconfig | 2 +
> arch/powerpc/Kconfig.debug | 6 ++-
> arch/powerpc/configs/skiroot_defconfig | 1 +
> arch/powerpc/include/asm/set_memory.h | 32 ++++++++++++++
> arch/powerpc/kernel/kprobes.c | 3 ++
> arch/powerpc/mm/Makefile | 1 +
> arch/powerpc/mm/pageattr.c | 60 ++++++++++++++++++++++++++
> arch/powerpc/mm/ptdump/ptdump.c | 21 ++++++++-
> 8 files changed, 123 insertions(+), 3 deletions(-)
> create mode 100644 arch/powerpc/include/asm/set_memory.h
> create mode 100644 arch/powerpc/mm/pageattr.c
>
> --
> 2.23.0
>
--
Kees Cook
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