From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: [PATCH v3 19/29] c6x: Move EXCEPTION_TABLE to RO_DATA segment Date: Tue, 29 Oct 2019 14:13:41 -0700 Message-ID: <20191029211351.13243-20-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: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=iWi6YdQXyEhRXZdL0IkFDNMpY9xz8Fj9+Xf2RAT6fU4=; b=Y4cQaUJaiegxNWsAW1w0hSDpiF 7Rs4P5R2NBKejvJU2TbGzugjZiuTrwjRNjcanrIWLTEZhWm2WPxEskyxHUKkJ7Ou/SltmzbllwiYC rQuVMCNfTjaqdHm1dzZAvzD61S8TCIZSqhz5pa3OrBVg0LKkjToTaq7BzHMosnY1OnG/PSwT9w1bi g9+CLQMtmcyG98lHoW+pWejpkErSm2hb091FE4laH2s6rTRZOC3z2tDs/Pz/RZP+ThmbIJwhRyvep X9kMd1a1UE8mOR4Oi3GuLPUJwRb3zgyZvbKghXpnkj7rtHdRzTcO3VEgkgzh2Cu0z1zowL8wAww67 0rpBQXjg==; 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=l+J574mlC+dRmZJG9pHhpppQFEze5VvTPTaNiTnbyaQ=; b=XxYZzxUJLSS1EjXOu0N/W8WJ4nsXkGW0wuYPPQz4S9Q7ybSmxfOvzX4/Pbx0hRVhwL IrpMdG7OEhiyZc3pXm3O/EWpZWxxrVnOcBtrFviHXzAXJGTEX7UE4FQN2re4YmyUukvg kN8X/p4Rc2H96j4CDSRi5o2KB2cQvjaVsgVbU= In-Reply-To: <20191029211351.13243-1-keescook@chromium.org> List-Id: 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 Since the EXCEPTION_TABLE is read-only, 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..ac99ba0864bf 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_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