Messages in this thread Patch in this message | | | From | Kees Cook <> | Subject | [PATCH 18/29] arm64: Move EXCEPTION_TABLE to RO_DATA segment | Date | Thu, 26 Sep 2019 10:55:51 -0700 |
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The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA.
Signed-off-by: Kees Cook <keescook@chromium.org> --- arch/arm64/kernel/vmlinux.lds.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 81d94e371c95..c6ba2eee0ee8 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -5,6 +5,8 @@ * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz> */ +#define RO_DATA_EXCEPTION_TABLE_ALIGN 8 + #include <asm-generic/vmlinux.lds.h> #include <asm/cache.h> #include <asm/kernel-pgtable.h> @@ -135,8 +137,8 @@ SECTIONS . = ALIGN(SEGMENT_ALIGN); _etext = .; /* End of text section */ - RO_DATA(PAGE_SIZE) /* everything from this point to */ - EXCEPTION_TABLE(8) /* __init_begin will be marked RO NX */ + /* everything from this point to __init_begin will be marked RO NX */ + RO_DATA(PAGE_SIZE) . = ALIGN(PAGE_SIZE); idmap_pg_dir = .; -- 2.17.1
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