[PATCH v3 23/29] parisc: Move EXCEPTION_TABLE to RO_DATA segment
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- To: Borislav Petkov <bp@xxxxxxxxx>
- Subject: [PATCH v3 23/29] parisc: Move EXCEPTION_TABLE to RO_DATA segment
- From: Kees Cook <keescook@xxxxxxxxxxxx>
- Date: Tue, 29 Oct 2019 14:13:45 -0700
- Cc: Kees Cook <keescook@xxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Michal Simek <monstr@xxxxxxxxx>
- In-reply-to: <20191029211351.13243-1-keescook@chromium.org>
- References: <20191029211351.13243-1-keescook@chromium.org>
Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Helge Deller <deller@xxxxxx>
---
arch/parisc/kernel/vmlinux.lds.S | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S
index 12b3d7d5e9e4..53e29d88f99c 100644
--- a/arch/parisc/kernel/vmlinux.lds.S
+++ b/arch/parisc/kernel/vmlinux.lds.S
@@ -19,6 +19,7 @@
*(.data..vm0.pte)
#define CC_USING_PATCHABLE_FUNCTION_ENTRY
+#define RO_EXCEPTION_TABLE_ALIGN 8
#include <asm-generic/vmlinux.lds.h>
@@ -129,9 +130,6 @@ SECTIONS
RO_DATA(8)
- /* RO because of BUILDTIME_EXTABLE_SORT */
- EXCEPTION_TABLE(8)
-
/* unwind info */
.PARISC.unwind : {
__start___unwind = .;
--
2.17.1
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