From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3913CC10F14 for ; Fri, 11 Oct 2019 00:12:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 137D621920 for ; Fri, 11 Oct 2019 00:12:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="UICOc5TK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726928AbfJKAMz (ORCPT ); Thu, 10 Oct 2019 20:12:55 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:41426 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726533AbfJKAMx (ORCPT ); Thu, 10 Oct 2019 20:12:53 -0400 Received: by mail-pg1-f196.google.com with SMTP id t3so4693912pga.8 for ; Thu, 10 Oct 2019 17:12:53 -0700 (PDT) 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=C4qrRt1wPf/MBbE+aHUnjpKB3JMiaG6wbnmkvfoIFU0=; b=UICOc5TKza9BTCIUokRpRXRixWvfiu//j+nLFORdk7UGk/JwyzBWx+ycolyJCZr/Zj USYjJEh9S6rYvbkeSR5dqh4t0wO42rK96mEpNN2uDcZMnixq8tbOTsEogIYGcWgVfWSY D4i8QsjQVcM0qjRwO2F5cvKbTZ8BLcWZFx7T8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=C4qrRt1wPf/MBbE+aHUnjpKB3JMiaG6wbnmkvfoIFU0=; b=gPKcQUvPkb58TM+ybuab3sUI3PlOb4E2W/CjuLrvBi/5JilHMFxTdeawKaeNn3uCa2 f4fXtDZVClBerWMoXfeOHdAZ6WMZ/0b/AJ9D9uLSJNRVsoAKKxwg3qXSA4Vd4rphcThI Pc/wSU8QjYnTbLrf/zR8fSfq5f91YGvbJr58dUkmOMWkZIPG83dnHvYvy7q+VkCLVZb5 Y8Nv6djV3YPTDSYaGaP0bOC4TkYEQinArfyQOjKqc/jKsrxGmu97oH3G4ElaeHoQyHnI fSdEX70zUyXo9OwdTl4ya4k6EGTn9ld8arQ8Dlgf3cWmysLMtgqbgv9/tIOKrv2pp1d/ YX2w== X-Gm-Message-State: APjAAAXt7eGjr+ciffFgj6D0EsnNdQFFnP6yNK0R/3gLmLoKwRQPauwh 2gD1YxXbHse7R0G5FgZWXjoBUg== X-Google-Smtp-Source: APXvYqwliD8aT2m8D5BS3pRkZKxejc1RX6nlHmvajkiWktD94kckhfSBhz7/A5hJ2lTUaMfRy1yv0g== X-Received: by 2002:a62:e206:: with SMTP id a6mr13749471pfi.245.1570752773224; Thu, 10 Oct 2019 17:12:53 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id w2sm7937638pfn.57.2019.10.10.17.12.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 17:12:52 -0700 (PDT) From: Kees Cook To: Borislav Petkov Cc: Kees Cook , Rick Edgecombe , 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 , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 17/29] alpha: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 10 Oct 2019 17:05:57 -0700 Message-Id: <20191011000609.29728-18-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011000609.29728-1-keescook@chromium.org> References: <20191011000609.29728-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since the EXCEPTION_TABLE is read-only, collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/alpha/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S index edc45f45523b..bc6f727278fd 100644 --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ #define EMITS_PT_NOTE +#define RO_EXCEPTION_TABLE_ALIGN 16 #include #include @@ -35,7 +36,6 @@ SECTIONS _etext = .; /* End of text section */ RO_DATA(4096) - EXCEPTION_TABLE(16) /* Will be freed after init */ __init_begin = ALIGN(PAGE_SIZE); -- 2.17.1