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Subject[tip: x86/build] h8300: Move EXCEPTION_TABLE to RO_DATA segment
The following commit has been merged into the x86/build branch of tip:

Commit-ID: 380e57e2d41e9631132beccac30058228dfd376f
Gitweb: https://git.kernel.org/tip/380e57e2d41e9631132beccac30058228dfd376f
Author: Kees Cook <keescook@chromium.org>
AuthorDate: Tue, 29 Oct 2019 14:13:42 -07:00
Committer: Borislav Petkov <bp@suse.de>
CommitterDate: Mon, 04 Nov 2019 18:12:55 +01:00

h8300: Move EXCEPTION_TABLE to RO_DATA segment

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: uclinux-h8-devel@lists.sourceforge.jp
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/20191029211351.13243-21-keescook@chromium.org
---
arch/h8300/kernel/vmlinux.lds.S | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/h8300/kernel/vmlinux.lds.S b/arch/h8300/kernel/vmlinux.lds.S
index 2ac7bdc..6b1afc2 100644
--- a/arch/h8300/kernel/vmlinux.lds.S
+++ b/arch/h8300/kernel/vmlinux.lds.S
@@ -1,4 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
+
+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/thread_info.h>
@@ -37,7 +40,6 @@ SECTIONS
#endif
_etext = . ;
}
- EXCEPTION_TABLE(16)
RO_DATA(4)
ROMEND = .;
#if defined(CONFIG_ROMKERNEL)
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