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

Commit-ID:     94174c9b71c62a0e1a4364c2594e1422ba8fffcd
Gitweb:        
https://git.kernel.org/tip/94174c9b71c62a0e1a4364c2594e1422ba8fffcd
Author:        Kees Cook <keesc...@chromium.org>
AuthorDate:    Tue, 29 Oct 2019 14:13:47 -07:00
Committer:     Borislav Petkov <b...@suse.de>
CommitterDate: Mon, 04 Nov 2019 18:42:27 +01:00

xtensa: Move EXCEPTION_TABLE to RO_DATA segment

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

Signed-off-by: Kees Cook <keesc...@chromium.org>
Signed-off-by: Borislav Petkov <b...@suse.de>
Acked-by: Max Filippov <jcmvb...@gmail.com>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Arnd Bergmann <a...@arndb.de>
Cc: Chris Zankel <ch...@zankel.net>
Cc: Dave Hansen <dave.han...@linux.intel.com>
Cc: Geert Uytterhoeven <ge...@linux-m68k.org>
Cc: Heiko Carstens <heiko.carst...@de.ibm.com>
Cc: linux-al...@vger.kernel.org
Cc: linux-a...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-c6x-...@linux-c6x.org
Cc: linux-i...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-s...@vger.kernel.org
Cc: linux-xte...@linux-xtensa.org
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Michal Simek <mon...@monstr.eu>
Cc: Rick Edgecombe <rick.p.edgeco...@intel.com>
Cc: Segher Boessenkool <seg...@kernel.crashing.org>
Cc: Will Deacon <w...@kernel.org>
Cc: x86-ml <x...@kernel.org>
Cc: Yoshinori Sato <ys...@users.sourceforge.jp>
Link: https://lkml.kernel.org/r/20191029211351.13243-26-keesc...@chromium.org
---
 arch/xtensa/kernel/vmlinux.lds.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index bdbd7c4..0043d58 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -14,6 +14,8 @@
  * Joe Taylor <j...@tensilica.com, joet...@yahoo.com>
  */
 
+#define RO_EXCEPTION_TABLE_ALIGN       16
+
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
 #include <asm/thread_info.h>
@@ -130,7 +132,6 @@ SECTIONS
 
   .fixup   : { *(.fixup) }
 
-  EXCEPTION_TABLE(16)
   /* Data section */
 
   _sdata = .;

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