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=-9.8 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 D9704C4360C for ; Thu, 26 Sep 2019 18:05:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4119222D1 for ; Thu, 26 Sep 2019 18:05:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="g+0oLVAq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728182AbfIZSFZ (ORCPT ); Thu, 26 Sep 2019 14:05:25 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:32899 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728053AbfIZSFX (ORCPT ); Thu, 26 Sep 2019 14:05:23 -0400 Received: by mail-pg1-f193.google.com with SMTP id i30so2001132pgl.0 for ; Thu, 26 Sep 2019 11:05:22 -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=2XFXeoGzN1a69pdrls3Beu9JzTpe303VvDFe7zacy8U=; b=g+0oLVAqgoC2ew3EG5pLyiK4x/TqojlpwWAAFR+n2zcKEHaA+12gz1WCbQcTKhnK8V du7myxKhRoFz8Vn350c/04sX/0q1TmPiCjT+hhJhaVb0xaMcrKAjrM6bAOhht8bRTLF/ Rvlu7BrJq+bmPv67tsPaw4XYg0FUkK7Uc3Zrc= 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=2XFXeoGzN1a69pdrls3Beu9JzTpe303VvDFe7zacy8U=; b=Zy4m6ONSoW+8gFzVt1fBqTbMCYxgjcwbvlFTY8t4okURfXSDAl33xdw09Dd9FBTtaC 5eSeIWog9hV1S6KEMU4FqPFAKWsbdzSd4AuyRsltc55yDEKYbLYyFjceDdSYKrDxD+ZK 5fGxyX3rs4XFj1CRaYAOP/4QXa7wp4iId7YQ1xvsELUzTdGPrHtjlSIk8UsG08uxncJ4 qLb6ttTehtHjaE6zLlyEGID/6SfUrmd4H8P8PJ6TL0O6x7PHteNPB6klZzMznPIUxKpE 84cdpQSfJBxx+se4eriLMH2HFe4sTThxi/uVwHKBZkjgnY0bvWge8X1nsSOMI6+PEKyn w9QA== X-Gm-Message-State: APjAAAWxlhk8RBACSUne+DfFftvhXxzZRZll/WZWLqAHw1KJ3cNBxBcG L0u/rAFqEGLJn1nJjM1VcDomtA== X-Google-Smtp-Source: APXvYqz61iDdqBAe+eZrQT2tMeg7B3FlHieVQyDUPoWyOaOfAOoRrb/ef7ZJD9oTwPZs33YIQXx+4w== X-Received: by 2002:a63:ff4a:: with SMTP id s10mr4691464pgk.166.1569521122354; Thu, 26 Sep 2019 11:05:22 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id v44sm8488912pgn.17.2019.09.26.11.05.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2019 11:05:20 -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 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> 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: 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