[PATCH] riscv: Enable ELF-ASLR for riscv

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From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>

Let riscv enable randomizes the stack, heap and binary images of
ELF binaries. Seems it's ok at all after qemu & chip test and
there is no founded side effect.

So just simply select ARCH_HAS_ELF_RANDOMIZE :)

Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
Cc: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Zong Li <zong.li@xxxxxxxxxx>
Cc: Greentime Hu <green.hu@xxxxxxxxx>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 91bfc6c..eed6647 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -20,6 +20,7 @@ config RISCV
 	select ARCH_HAS_GIGANTIC_PAGE
 	select ARCH_HAS_MMIOWB
 	select ARCH_HAS_PTE_SPECIAL
+	select ARCH_HAS_ELF_RANDOMIZE
 	select ARCH_HAS_SET_DIRECT_MAP
 	select ARCH_HAS_SET_MEMORY
 	select ARCH_HAS_STRICT_KERNEL_RWX if MMU
-- 
2.7.4




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