From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: [PATCH v3 21/29] ia64: Move EXCEPTION_TABLE to RO_DATA segment Date: Tue, 29 Oct 2019 14:13:43 -0700 Message-ID: <20191029211351.13243-22-keescook@chromium.org> References: <20191029211351.13243-1-keescook@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191029211351.13243-1-keescook@chromium.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Borislav Petkov Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Michal Simek , linux-ia64@vger.kernel.org, Kees Cook , Arnd Bergmann , Michael Ellerman , Dave Hansen , Segher Boessenkool , linuxppc-dev@lists.ozlabs.org, Heiko Carstens , Yoshinori Sato , Andy Lutomirski , linux-alpha@vger.kernel.org, Rick Edgecombe , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org List-Id: linux-arch.vger.kernel.org Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA. Signed-off-by: Kees Cook --- 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 11d5115bc44d..1ec6b703c5b4 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -6,6 +6,7 @@ #include #define EMITS_PT_NOTE +#define RO_EXCEPTION_TABLE_ALIGN 16 #include @@ -70,7 +71,6 @@ SECTIONS { /* * Read-only data */ - EXCEPTION_TABLE(16) /* MCA table */ . = ALIGN(16); -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f194.google.com ([209.85.215.194]:35159 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729885AbfJ2VUh (ORCPT ); Tue, 29 Oct 2019 17:20:37 -0400 Received: by mail-pg1-f194.google.com with SMTP id c8so10530735pgb.2 for ; Tue, 29 Oct 2019 14:20:36 -0700 (PDT) From: Kees Cook Subject: [PATCH v3 21/29] ia64: Move EXCEPTION_TABLE to RO_DATA segment Date: Tue, 29 Oct 2019 14:13:43 -0700 Message-ID: <20191029211351.13243-22-keescook@chromium.org> In-Reply-To: <20191029211351.13243-1-keescook@chromium.org> References: <20191029211351.13243-1-keescook@chromium.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Borislav Petkov Cc: Kees Cook , Rick Edgecombe , Segher Boessenkool , Dave Hansen , Andy Lutomirski , Arnd Bergmann , Michael Ellerman , Heiko Carstens , Will Deacon , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.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 Message-ID: <20191029211343.logwzjiMmIKTVkHESBqi5H2T-0ddEKJkaTBYwHOc9To@z> Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA. Signed-off-by: Kees Cook --- 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 11d5115bc44d..1ec6b703c5b4 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -6,6 +6,7 @@ #include #define EMITS_PT_NOTE +#define RO_EXCEPTION_TABLE_ALIGN 16 #include @@ -70,7 +71,6 @@ SECTIONS { /* * Read-only data */ - EXCEPTION_TABLE(16) /* MCA table */ . = ALIGN(16); -- 2.17.1