From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: [PATCH 19/29] c6x: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 26 Sep 2019 10:55:52 -0700 Message-ID: <20190926175602.33098-20-keescook@chromium.org> References: <20190926175602.33098-1-keescook@chromium.org> Return-path: In-Reply-To: <20190926175602.33098-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org To: Thomas Gleixner Cc: Kees Cook , Rick Edgecombe , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Arnd Bergmann , linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org List-Id: linux-arch.vger.kernel.org The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/c6x/kernel/vmlinux.lds.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S index a3547f9d415b..9a09aab63ab3 100644 --- a/arch/c6x/kernel/vmlinux.lds.S +++ b/arch/c6x/kernel/vmlinux.lds.S @@ -5,6 +5,9 @@ * Copyright (C) 2010, 2011 Texas Instruments Incorporated * Mark Salter */ + +#define RO_DATA_EXCEPTION_TABLE_ALIGN 16 + #include #include #include @@ -80,8 +83,6 @@ SECTIONS *(.gnu.warning) } - EXCEPTION_TABLE(16) - RO_DATA(PAGE_SIZE) .const : { -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f193.google.com ([209.85.215.193]:33864 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728117AbfIZR43 (ORCPT ); Thu, 26 Sep 2019 13:56:29 -0400 Received: by mail-pg1-f193.google.com with SMTP id y35so1985634pgl.1 for ; Thu, 26 Sep 2019 10:56:29 -0700 (PDT) From: Kees Cook Subject: [PATCH 19/29] c6x: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 26 Sep 2019 10:55:52 -0700 Message-ID: <20190926175602.33098-20-keescook@chromium.org> In-Reply-To: <20190926175602.33098-1-keescook@chromium.org> References: <20190926175602.33098-1-keescook@chromium.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Thomas Gleixner Cc: Kees Cook , Rick Edgecombe , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Arnd Bergmann , linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org Message-ID: <20190926175552.PXGynWWF23OQj45RfSiSZv5iqx0_b8lZg6BybFceO24@z> The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/c6x/kernel/vmlinux.lds.S | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S index a3547f9d415b..9a09aab63ab3 100644 --- a/arch/c6x/kernel/vmlinux.lds.S +++ b/arch/c6x/kernel/vmlinux.lds.S @@ -5,6 +5,9 @@ * Copyright (C) 2010, 2011 Texas Instruments Incorporated * Mark Salter */ + +#define RO_DATA_EXCEPTION_TABLE_ALIGN 16 + #include #include #include @@ -80,8 +83,6 @@ SECTIONS *(.gnu.warning) } - EXCEPTION_TABLE(16) - RO_DATA(PAGE_SIZE) .const : { -- 2.17.1