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microblaze: Move EXCEPTION_TABLE to RO_DATA segment

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Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linux-ia64@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s390@vger.kernel.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Will Deacon <will@kernel.org>
Cc: x86-ml <x86@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-23-keescook@chromium.org
This commit is contained in:
Kees Cook 2019-10-29 14:13:44 -07:00 committed by Borislav Petkov
parent 9b30e704dd
commit 3bda6f37a7
1 changed files with 2 additions and 1 deletions
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3
arch/microblaze/kernel/vmlinux.lds.S
View file

@ -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