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[9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU

Message ID 20210330022617.525104ce@xhacker (mailing list archive)
State New, archived
Headers show
Series riscv: improve self-protection | expand

Commit Message

Jisheng Zhang March 29, 2021, 6:26 p.m. UTC 
From: Jisheng Zhang <jszhang@kernel.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@kernel.org>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

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