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=unavailable 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 44F0AC4360C for ; Fri, 11 Oct 2019 00:13:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1F18A21929 for ; Fri, 11 Oct 2019 00:13:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="C1PlvZ+0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727862AbfJKANa (ORCPT ); Thu, 10 Oct 2019 20:13:30 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:33612 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727635AbfJKAM7 (ORCPT ); Thu, 10 Oct 2019 20:12:59 -0400 Received: by mail-pf1-f195.google.com with SMTP id q10so4967521pfl.0 for ; Thu, 10 Oct 2019 17:12:59 -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=l+J574mlC+dRmZJG9pHhpppQFEze5VvTPTaNiTnbyaQ=; b=C1PlvZ+0BEdj9jtliX0A0Huqq47ruf9nBVH5STuBjosSplWIN8Wr5Bj0uznajZR412 88yKrget+DCqKxVlllcxd6K5szWGkcPAUypn6xoncOXOV6R6YV83ztEsCSkeh78n0AI2 yKxfXdh2vdcul3D71BzoL2J/wyWHTxCQ4Jyq0= 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=l+J574mlC+dRmZJG9pHhpppQFEze5VvTPTaNiTnbyaQ=; b=ATZpXo+g74+MoK/zUxkM6W7fnpds1RQw7jCV/onqRx0ywszeU+Kn8GunrpbyEFrJ9l E2SMIBGu4yV9HeH10w3/57UuXdewVPDs4T748QLfJFHvxN0b5XrQP3vyON3+OkUbfzFD jEVtX+WljRGhBCJG/qmdHD9i3VL0o/xcBPVPFT5zM3o574Af7QXwOpUyBz8TBzKrh2Wj F3EZ9B2TZ26KEs1s1lRpEzrIuomZ5rq+Qr5luZ3X+NucgzbJnAZ82C2t+i/T49ccKMqy HHIwfCDDwDw08mwIuLJKBygTAwyTtzQ+9D2Bri8ULFlCT8V23yo6LcDKoWazWCLfBSmd YrTw== X-Gm-Message-State: APjAAAVpTPstGOpQo2O5nrX8nlKM5JSsn2K5lMAjRWtqETAi0wmM7G1d JUK56tKP87eHXwN/75pU3p4+zA== X-Google-Smtp-Source: APXvYqy4PLu05rX5bRRgJJfyDhm9F1ghOcCs3VwNTK0YfAFFK8MX8ZPUgv1lA3bQ8SclnhiYx4k3qw== X-Received: by 2002:a63:44f:: with SMTP id 76mr14137515pge.164.1570752778758; Thu, 10 Oct 2019 17:12:58 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id a8sm7285998pfa.182.2019.10.10.17.12.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 17:12:56 -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 19/29] c6x: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 10 Oct 2019 17:05:59 -0700 Message-Id: <20191011000609.29728-20-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/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