From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: [PATCH 22/29] microblaze: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 26 Sep 2019 10:55:55 -0700 Message-ID: <20190926175602.33098-23-keescook@chromium.org> References: <20190926175602.33098-1-keescook@chromium.org> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=2XFXeoGzN1a69pdrls3Beu9JzTpe303VvDFe7zacy8U=; b=g+0oLVAqgoC2ew3EG5pLyiK4x/TqojlpwWAAFR+n2zcKEHaA+12gz1WCbQcTKhnK8V du7myxKhRoFz8Vn350c/04sX/0q1TmPiCjT+hhJhaVb0xaMcrKAjrM6bAOhht8bRTLF/ Rvlu7BrJq+bmPv67tsPaw4XYg0FUkK7Uc3Zrc= In-Reply-To: <20190926175602.33098-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/microblaze/kernel/vmlinux.lds.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S index b8efb08204a1..abe5ff0f3773 100644 --- a/arch/microblaze/kernel/vmlinux.lds.S +++ b/arch/microblaze/kernel/vmlinux.lds.S @@ -11,6 +11,8 @@ OUTPUT_ARCH(microblaze) ENTRY(microblaze_start) +#define RO_DATA_EXCEPTION_TABLE_ALIGN 16 + #include #include #include @@ -52,7 +54,6 @@ SECTIONS { . = ALIGN(16); RO_DATA(4096) - EXCEPTION_TABLE(16) /* * sdata2 section can go anywhere, but must be word aligned -- 2.17.1