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| author | Zong Li <zong.li@sifive.com> | 2020-03-10 00:55:41 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-03-26 09:24:45 -0700 |
| commit | d27c3c90817e4c5ea655714065a725b4abd576f9 (patch) | |
| tree | 6ab698bef5704fa108f5454047f6cf92cc196c07 /arch/riscv/Kconfig | |
| parent | 00cb41d5ad3189f52a59f42766918557693f94fa (diff) | |
riscv: add STRICT_KERNEL_RWX support
The commit contains that make text section as non-writable, rodata
section as read-only, and data section as non-executable.
The init section should be changed to non-executable.
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 31fbc6ef7a6d..dfc9c3ea9f7d 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -61,6 +61,7 @@ config RISCV select ARCH_HAS_GIGANTIC_PAGE select ARCH_HAS_SET_DIRECT_MAP select ARCH_HAS_SET_MEMORY + select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_WANT_HUGE_PMD_SHARE if 64BIT select SPARSEMEM_STATIC if 32BIT select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU |