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Message-ID: <20210330022617.525104ce@xhacker>
Date: Tue, 30 Mar 2021 02:26:17 +0800
From: Jisheng Zhang <jszhang3@...l.ustc.edu.cn>
To: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Andrey Ryabinin <ryabinin.a.a@...il.com>,
Alexander Potapenko <glider@...gle.com>,
Andrey Konovalov <andreyknvl@...il.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
" Björn Töpel" <bjorn@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <kafai@...com>,
Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>,
Luke Nelson <luke.r.nels@...il.com>,
Xi Wang <xi.wang@...il.com>
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
kasan-dev@...glegroups.com, netdev@...r.kernel.org,
bpf@...r.kernel.org
Subject: [PATCH 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU
From: Jisheng Zhang <jszhang@...nel.org>
Now we can set ARCH_HAS_STRICT_MODULE_RWX for MMU riscv platforms, this
is good from security perspective.
Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
arch/riscv/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 87d7b52f278f..9716be3674a2 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -28,6 +28,7 @@ config RISCV
select ARCH_HAS_SET_DIRECT_MAP
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX if MMU
+ select ARCH_HAS_STRICT_MODULE_RWX if MMU
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
--
2.31.0
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