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 <keescook@xxxxxxxxxxxx> AuthorDate: Tue, 29 Oct 2019 14:13:47 -07:00 Committer: Borislav Petkov <bp@xxxxxxx> 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 <keescook@xxxxxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Acked-by: Max Filippov <jcmvbkbc@xxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Chris Zankel <chris@xxxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Cc: linux-alpha@xxxxxxxxxxxxxxx Cc: linux-arch@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: linux-c6x-dev@xxxxxxxxxxxxx Cc: linux-ia64@xxxxxxxxxxxxxxx Cc: linuxppc-dev@xxxxxxxxxxxxxxxx Cc: linux-s390@xxxxxxxxxxxxxxx Cc: linux-xtensa@xxxxxxxxxxxxxxxx Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Michal Simek <monstr@xxxxxxxxx> Cc: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx> Cc: Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: x86-ml <x86@xxxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20191029211351.13243-26-keescook@xxxxxxxxxxxx --- 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 <joe@xxxxxxxxxxxxx, joetylr@xxxxxxxxx> */ +#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 = .;
