From patchwork Fri Mar 12 00:49:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sami Tolvanen X-Patchwork-Id: 12133559 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 AE8F5C433DB for ; Fri, 12 Mar 2021 00:56:37 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F313E64F8D for ; Fri, 12 Mar 2021 00:56:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F313E64F8D Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Cc:To:From:Subject:References:Mime-Version: Message-Id:In-Reply-To:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2/9gBrbW613IP2nNNWh988IdA99j5fWwVkw27NSBu4U=; b=LUvGXGvq5BOqPe ocOhZjBoMZHox2/rsB1fOdVEmzQNO9dSLu2Ac3SbM87pgx0h+D324HGiK4lqQadqVu4Qa639DAv7P ndt8MsRDvoe328eJrRP7gjAk3xc2TCYdVZDowRS6wBP2NdFBdwwtmVcvqmcsN83NBfhJFdWj6ytoy fFUAx45IctFx4CTuxfiFoz5B3d+cxNLmeptz9AJeAFi8hZyTdQD0qU6/OGxHt+n7ipfThE2cNDjp1 Xr4QSfFXLkWVNtfZ+FtcHdUM6TPcM/dUodMMJ6drmV1QGiBA0Xwn3NuurVLOo+jgWI/OIdkavyNAs 1rRCdVozKYkANYM078Zw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lKW4a-00AMJQ-Uk; Fri, 12 Mar 2021 00:54:37 +0000 Received: from mail-qt1-x84a.google.com ([2607:f8b0:4864:20::84a]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lKW04-00AKrH-1X for linux-arm-kernel@lists.infradead.org; Fri, 12 Mar 2021 00:49:57 +0000 Received: by mail-qt1-x84a.google.com with SMTP id b18so3030325qte.21 for ; Thu, 11 Mar 2021 16:49:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=Wy+IwcbFe5iyl37uDl+oXBLCNbLEHUQXvTEZYf7ymx8=; b=TFaPttpAjNfe+2iixUj6bfpglHAqdyJonN+f/D/N4GxhYzufIVNkNGd52Z481IiXLa J7zK9PmVKfZgaMXiBRQ+GQtnc7Vrgn9nMBlfx1v+5B/BOEhThUKYOHdycFINi66rsJ9n k+rlStscftY35kfr5wg7QYXNcjmxPrl9goemzUQa08kgwYkcgPAmxhdD5RlWO5s5tIcf 2Qxw4fQhL1ORNIz5WRig2l6/Q8mJ6txwoQqqPLf970ALae7jjgaj4GvNENLYY1wAqFr7 2UZoruoI+cwg1gYH1874qrh6FP4ZiB0odU/ppmrbRZZrBthB+1LqWzxw8PqfRpKrDzFV 7Wvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=Wy+IwcbFe5iyl37uDl+oXBLCNbLEHUQXvTEZYf7ymx8=; b=ri0WyrNKuvNUKpB3bEVv/1f4xl4xtZ2jqEf3tXATEqCv6Z8Oj1/j7lWwrSMhAOYMuR FWB5eK/9MtEBhRnpbh/DvqGP+GMPI4CViJM0viSwec+qgRksRhA/9I4lyi8SGnWJ119d dgEQiLnPlE/qnGE0/FXxKFS3ANxnvzFXxArn7K8yejY8AKHWax7vUz1GGMG693WhWVM0 AWSieualTSlupwBklryQN6mzrBWxWkegPn4xqR5p6PVNfZEsPaPk3hBebMLaaNGw0lcu nMC28iXQpcYqXYGUZrCInpLnyubDo/BwtG782V9tl4C1JV0H3lNibfRUt9LAY2j2twXZ DPDA== X-Gm-Message-State: AOAM532Brs+gAilT2AUPQ2Z2bmHQRaY/X+K++OHhwaXebGe/h3ygaTRr fCYKZXS2Wqvg5iWkEqa9fvHJ1SBN5eC/brdgukI= X-Google-Smtp-Source: ABdhPJznSvPJLG6qaFoP2kj2Ov4WrW1xkoR+hl4AeQuvmUyvA146uVMjKfz/DR0rMwbjq3TBrHrovQw5xd3PO2vJOjg= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:c86b:8269:af92:55a]) (user=samitolvanen job=sendgmr) by 2002:ad4:50c7:: with SMTP id e7mr10016068qvq.58.1615510193452; Thu, 11 Mar 2021 16:49:53 -0800 (PST) Date: Thu, 11 Mar 2021 16:49:19 -0800 In-Reply-To: <20210312004919.669614-1-samitolvanen@google.com> Message-Id: <20210312004919.669614-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20210312004919.669614-1-samitolvanen@google.com> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog Subject: [PATCH 17/17] arm64: allow CONFIG_CFI_CLANG to be selected From: Sami Tolvanen To: Kees Cook Cc: Nathan Chancellor , Nick Desaulniers , Masahiro Yamada , Will Deacon , Jessica Yu , Arnd Bergmann , Tejun Heo , bpf@vger.kernel.org, linux-hardening@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Sami Tolvanen X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210312_004956_249987_C59918FE X-CRM114-Status: UNSURE ( 9.15 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list 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=archiver.kernel.org@lists.infradead.org Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 1f212b47a48a..6be5b61a0f17 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -75,6 +75,7 @@ config ARM64 select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK select ARCH_SUPPORTS_LTO_CLANG if CPU_LITTLE_ENDIAN select ARCH_SUPPORTS_LTO_CLANG_THIN + select ARCH_SUPPORTS_CFI_CLANG select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) select ARCH_SUPPORTS_NUMA_BALANCING