[tip: x86/build] ia64: Move EXCEPTION_TABLE to RO_DATA segment

tip-bot2 for Kees Cook tip-bot2 at linutronix.de
Tue Nov 5 20:27:28 AEDT 2019


The following commit has been merged into the x86/build branch of tip:

Commit-ID:     9b30e704dd0d9ef9d99c7f88712318840cc8a338
Gitweb:        https://git.kernel.org/tip/9b30e704dd0d9ef9d99c7f88712318840cc8a338
Author:        Kees Cook <keescook at chromium.org>
AuthorDate:    Tue, 29 Oct 2019 14:13:43 -07:00
Committer:     Borislav Petkov <bp at suse.de>
CommitterDate: Mon, 04 Nov 2019 18:14:41 +01:00

ia64: 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 at chromium.org>
Signed-off-by: Borislav Petkov <bp at suse.de>
Cc: Andy Lutomirski <luto at kernel.org>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Dave Hansen <dave.hansen at linux.intel.com>
Cc: Fenghua Yu <fenghua.yu at intel.com>
Cc: Heiko Carstens <heiko.carstens at de.ibm.com>
Cc: linux-alpha at vger.kernel.org
Cc: linux-arch at vger.kernel.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-c6x-dev at linux-c6x.org
Cc: linux-ia64 at vger.kernel.org
Cc: linuxppc-dev at lists.ozlabs.org
Cc: linux-s390 at vger.kernel.org
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: Michal Simek <monstr at monstr.eu>
Cc: Rick Edgecombe <rick.p.edgecombe at intel.com>
Cc: Segher Boessenkool <segher at kernel.crashing.org>
Cc: Tony Luck <tony.luck at intel.com>
Cc: Will Deacon <will at kernel.org>
Cc: x86-ml <x86 at kernel.org>
Cc: Yoshinori Sato <ysato at users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-22-keescook@chromium.org
---
 arch/ia64/kernel/vmlinux.lds.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 11d5115..1ec6b70 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -6,6 +6,7 @@
 #include <asm/thread_info.h>
 
 #define EMITS_PT_NOTE
+#define RO_EXCEPTION_TABLE_ALIGN	16
 
 #include <asm-generic/vmlinux.lds.h>
 
@@ -70,7 +71,6 @@ SECTIONS {
 	/*
 	 * Read-only data
 	 */
-	EXCEPTION_TABLE(16)
 
 	/* MCA table */
 	. = ALIGN(16);


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