From: Balbir Singh <bsingharora@gmail.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: naveen.n.rao@linux.vnet.ibm.com, christophe.leroy@c-s.fr,
paulus@samba.org, Balbir Singh <bsingharora@gmail.com>
Subject: [PATCH v5 7/7] powerpc/Kconfig: Enable STRICT_KERNEL_RWX
Date: Thu, 29 Jun 2017 03:04:11 +1000 [thread overview]
Message-ID: <20170628170411.28864-8-bsingharora@gmail.com> (raw)
In-Reply-To: <20170628170411.28864-1-bsingharora@gmail.com>
We have the basic support in the form of patching R/O
text sections, linker scripts for extending alignment
of text data. We've also got mark_rodata_ro()
NOTE: There is a temporary work-around for disabling
STRICT_KERNEL_RWX if CONFIG_HIBERNATION is enabled
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
---
arch/powerpc/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 7d95c1d..cda69f3 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -163,6 +163,8 @@ config PPC
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
+ select ARCH_HAS_STRICT_KERNEL_RWX if (PPC_BOOK3S_64 && !HIBERNATION)
+ select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select HAVE_CBPF_JIT if !PPC64
select HAVE_CONTEXT_TRACKING if PPC64
select HAVE_DEBUG_KMEMLEAK
--
2.9.4
prev parent reply other threads:[~2017-06-28 17:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-28 17:04 [PATCH v5 0/7] Provide STRICT_KERNEL_RWX for powerpc Balbir Singh
2017-06-28 17:04 ` [PATCH v5 1/7] powerpc/lib/code-patching: Use alternate map for patch_instruction() Balbir Singh
2017-06-28 17:04 ` [PATCH v5 2/7] powerpc/vmlinux.lds: Align __init_begin to 16M Balbir Singh
2017-06-29 11:29 ` David Laight
2017-06-29 11:36 ` Balbir Singh
2017-06-28 17:04 ` [PATCH v5 3/7] powerpc/platform/pseries/lpar: Fix updatepp and updateboltedpp Balbir Singh
2017-06-28 17:04 ` [PATCH v5 4/7] powerpc/mm/hash: Implement mark_rodata_ro() for hash Balbir Singh
2017-06-28 17:04 ` [PATCH v5 5/7] powerpc/mm/radix: Implement mark_rodata_ro() for radix Balbir Singh
2017-06-28 17:04 ` [PATCH v5 6/7] mm/radix: Fix permissions correctly for interrupt_vectors Balbir Singh
2017-06-28 17:04 ` Balbir Singh [this message]
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