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,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 2FB26C4360C for ; Thu, 26 Sep 2019 17:56:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04538222CC for ; Thu, 26 Sep 2019 17:56:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="GqCpdlt2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728278AbfIZR4y (ORCPT ); Thu, 26 Sep 2019 13:56:54 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:35258 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728190AbfIZR4e (ORCPT ); Thu, 26 Sep 2019 13:56:34 -0400 Received: by mail-pg1-f194.google.com with SMTP id a24so1978029pgj.2 for ; Thu, 26 Sep 2019 10:56:33 -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=DewAllPq01LncnaE6NYCCskktLTPQ+Oq7qAAM5yWaKA=; b=GqCpdlt27oIxoalJ+q55GpBWVA+O9B4EMwRWAPEitDTY5x/y/r3wW9KbkZvPr2V4X/ S8caIKThukUOlDs2WCows35gv3FJcnOv4JTcjIQERxd+vzGaspWFjmHz3dbggEHqAL0H 9XgrssZH7A/r46cr0/K6ftOAUAm1WnB4t7vdU= 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=DewAllPq01LncnaE6NYCCskktLTPQ+Oq7qAAM5yWaKA=; b=OP0y5exxBALkikhc0oLsZP0HX+S00szVWAbv+6jZf3tGSdMTl+eq5PQHBjuqgi6rAA uFsYTrnb0qWoIxNTguaFy0d8C97bC6dhGG0GvM8wI6xn8eBfbDbvyQDwjfpqbFZeFNKS njBT5KKMYTSvChORGuvqT6/QClxQ0qIcywGKvc/kA4DqFg8h3arHuyorspx8Qu+QR7jB SZT2lcSqiSo5TjhEFzpOl2s6dthkaYsNvbHlNgDGQaJcmWdCzsfG4Dmv1jIa4ve6p5Rg p4mkILXvFMl6otay1qNHy3kqpf4hc/vEQCmffknnehnQqQnZuQdq8pOoUn2LEGZe6aZC 8JzA== X-Gm-Message-State: APjAAAWa4SzSQusVatforDhCR2fGm6qnQXRA1dXIz/7Lif9Ooh1cokSz 7taM/r0OaOVwdwdgU9CNHqe/SQ== X-Google-Smtp-Source: APXvYqy6lsJedhQhLRYmBsUadf9UZQvX3qa3S7SjzPO8c/ioUQ997KVZPcsBQte8g5aQEg6d61NfYg== X-Received: by 2002:a65:5c0b:: with SMTP id u11mr4650029pgr.294.1569520592850; Thu, 26 Sep 2019 10:56:32 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id m2sm3024583pgc.19.2019.09.26.10.56.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2019 10:56:30 -0700 (PDT) From: Kees Cook 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 Subject: [PATCH 24/29] powerpc: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 26 Sep 2019 10:55:57 -0700 Message-Id: <20190926175602.33098-25-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190926175602.33098-1-keescook@chromium.org> References: <20190926175602.33098-1-keescook@chromium.org> Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/powerpc/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 4e7cec088c8b..2ed44e5824d5 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -7,6 +7,7 @@ #define BSS_FIRST_SECTIONS *(.bss.prominit) #define EMITS_PT_NOTE +#define RO_DATA_EXCEPTION_TABLE_ALIGN 0 #include #include @@ -162,7 +163,6 @@ SECTIONS __stop__btb_flush_fixup = .; } #endif - EXCEPTION_TABLE(0) /* * Init sections discarded at runtime -- 2.17.1