[PATCH v2 22/29] microblaze: Move EXCEPTION_TABLE to RO_DATA segment
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- To: Borislav Petkov <bp@xxxxxxxxx>
- Subject: [PATCH v2 22/29] microblaze: Move EXCEPTION_TABLE to RO_DATA segment
- From: Kees Cook <keescook@xxxxxxxxxxxx>
- Date: Thu, 10 Oct 2019 17:06:02 -0700
- Cc: Kees Cook <keescook@xxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, 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>, linux-parisc@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20191011000609.29728-1-keescook@chromium.org>
- References: <20191011000609.29728-1-keescook@chromium.org>
Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
arch/microblaze/kernel/vmlinux.lds.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index b8efb08204a1..760cac41cbfe 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -11,6 +11,8 @@
OUTPUT_ARCH(microblaze)
ENTRY(microblaze_start)
+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
@@ -52,7 +54,6 @@ SECTIONS {
. = ALIGN(16);
RO_DATA(4096)
- EXCEPTION_TABLE(16)
/*
* sdata2 section can go anywhere, but must be word aligned
--
2.17.1
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