Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp733914pxf; Thu, 8 Apr 2021 11:31:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzIdvzyCxKIcXjqstDarI/b2qHF+PHEdxbAIZ4h28h4hhjWXVuN7/yTj6dCjUyxkfdIEImN X-Received: by 2002:aa7:9431:0:b029:1f1:52fd:5444 with SMTP id y17-20020aa794310000b02901f152fd5444mr8537175pfo.47.1617906712630; Thu, 08 Apr 2021 11:31:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617906712; cv=none; d=google.com; s=arc-20160816; b=jMEUkiHLe1Mfa1p2aUeFszfobPS56P39XXyy9ZQH2MAwk+N4tYJnbxLsUxKgr5gWa/ eIzxj4AjX3TLJQZjlYDNzUVz5Bc6OGS5YAj847K6TLwx1E4P5qD4N9rhTQSkzPlRToAe IO0P+xg3zGaaJ2rJStyURnB1opANze68uRUhOyLTYZIv8iyW+8iTG9eCHe0YRLJl3zxH GR+nK8Lj/xPt6BOzxk+REDC1vywwT8+BD+0omIcO4m11pK8N77yJtBA8nldzKv+hX7An KrfvY4jCY/phozQPnhXz8kjwQ0n6/S5Fzz80t6w8KO7EhqqMSmnUJ/YuSM0QeAY8fLsX iMvg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:from:subject:references:mime-version :message-id:in-reply-to:date:dkim-signature; bh=wpJei33p36j3KjjMHxyiKmG4dj3y1cwd0hIxQebiEdM=; b=yMVqRNHx8AD3S645/21SVavUHKTN8KEV52Ya+rB4A6xODkqgRB92UbysSrzCjdkr0D t6jVRtu2a30x/3RevHd0HvbkPXm/hlPohJJjaZIi8bdcXVrVOA6ImRkFRfXmqBToE/YQ q+Mok5NeNBi/DtkDw8kn4S5i26B33Ml3AvqlgYXgyN5cD2gMXeBihA6KlQjQBSc7ac9x U7l+5qcUXmLrZlnySBM3Ete26c6B3mnFHrZmgACwlh2gtD1t+UPEEAt9+pLPiR9wRbFM RrDcqKFDIvLFusfo3U2Q0BcLBc9Ypi170NA2xlaQXWixahREFha8CKg0dZQxN+kp6xFa fiPQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=a3nRPCcL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y1si15226pgl.294.2021.04.08.11.31.40; Thu, 08 Apr 2021 11:31:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=a3nRPCcL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233060AbhDHSbQ (ORCPT + 99 others); Thu, 8 Apr 2021 14:31:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232931AbhDHSay (ORCPT ); Thu, 8 Apr 2021 14:30:54 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1588BC0610D1 for ; Thu, 8 Apr 2021 11:29:21 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id n67so2873768ybf.11 for ; Thu, 08 Apr 2021 11:29:21 -0700 (PDT) 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=wpJei33p36j3KjjMHxyiKmG4dj3y1cwd0hIxQebiEdM=; b=a3nRPCcLgUjC8+dAsZsjnXIQNP/rwy/DDjL0mVaRLZUSJLKjLCe23/7r3jufcOURP2 YfreigpdbzFmBPynu7ev4x2f9hGuOwXl1gQNFI+p2gMnNBATgfM6aNqo8eWkwib0f/8F EUNhOz40NxYK4iX4IsYefTQK+m8Ly9vO79flGB3PdZreeWclK/3HsvQa2Eu+zlw9dkH7 6qm5k1CF4uhU9Fd39Czmkl971aNRY+2JAKOGLjLe1yvMJopP7gW/T36sDYdpLNjW4pel /nYjwa7lv0PuEkaqdQpGCQ8z4533FqqU8pmp1ExKErObiCmjnfRuj5TuEngXRWPRbWkv GPuA== 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=wpJei33p36j3KjjMHxyiKmG4dj3y1cwd0hIxQebiEdM=; b=cjSRV5YQlpElBbd/4PdGWQB5cgz/f+08uQ2qtctg3F4Fd4/5S3bv/uhXI9YZLegBId ZEPFlvkhLAwNFtGKVA6Rcy2yNlZyqkeu5pJXqVrcQrnAO0XzVdDk4ZW1y+vhAq0z/cVi tsmdp/IXZ86ZGgQyPBKygAIrFPukhCh8EHsiSNGwv2uxjg/9btV5yGzLLOwa3C1n0TeA nSjbMq1BFOUjgVDjiitzzNu2MOBUlDyJwzjF9aY1uo9BvWLtwjwkJ87/ZxymhqQk5+hU vfR17WWo5ShhGzy+Ro1fkbipztBqeFzncBVfmyK91BENp5wuJlhy/JkkZOx3i00pqHLB s3xA== X-Gm-Message-State: AOAM533gDrb3vryMBbB3yL6ipS9ZpkQj2AiTIeLQLRcX2Byo5t0BxYB9 yR/dhzfclsTnJZcmnlLbNJ/yLcoCEpHp2TG43iQ= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:3560:8505:40a2:e021]) (user=samitolvanen job=sendgmr) by 2002:a25:cf16:: with SMTP id f22mr13542667ybg.342.1617906560306; Thu, 08 Apr 2021 11:29:20 -0700 (PDT) Date: Thu, 8 Apr 2021 11:28:43 -0700 In-Reply-To: <20210408182843.1754385-1-samitolvanen@google.com> Message-Id: <20210408182843.1754385-19-samitolvanen@google.com> Mime-Version: 1.0 References: <20210408182843.1754385-1-samitolvanen@google.com> X-Mailer: git-send-email 2.31.1.295.g9ea45b61b8-goog Subject: [PATCH v6 18/18] 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 , "Paul E. McKenney" , Christoph Hellwig , Peter Zijlstra , Sedat Dilek , Mark Rutland , Catalin Marinas , 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, clang-built-linux@googlegroups.com, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Select ARCH_SUPPORTS_CFI_CLANG to allow CFI to be enabled. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook Tested-by: Nathan Chancellor --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e4e1b6550115..d7395772b6b8 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 -- 2.31.1.295.g9ea45b61b8-goog