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 = .;