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=-26.2 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 BC5B9C6379F for ; Wed, 18 Nov 2020 22:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A07E246DC for ; Wed, 18 Nov 2020 22:08:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="n0bp9cJv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727582AbgKRWIO (ORCPT ); Wed, 18 Nov 2020 17:08:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727558AbgKRWIN (ORCPT ); Wed, 18 Nov 2020 17:08:13 -0500 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 DF925C0613D6 for ; Wed, 18 Nov 2020 14:08:13 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id v188so4455931ybc.19 for ; Wed, 18 Nov 2020 14:08:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=zNEbBbUjVUwNrqsw9c+UpkNEFF7VA0EYfHLp5cIzntw=; b=n0bp9cJvxDsjt7xTCOt5iMFW1d/2tTomLx5U5GAiKgRUC31U0PGdIlVksp+a0VVrdY g5/MehVGAk5dAFkfZ/0D3/kc0qKP/5ghMg0SX2rzCLQrn7ZzkYIMJRTQA4tAkeENX90q zMfWfxpHMr797C3+ufNsF8n5E2EarI0M+SxfmyYFrfheXFRY/USHp0McDL2ojl4Lgr9c ZSVHHwyxFBuJf6EQIB49Tm2/Idyx3u+mRdPPOBh4ppAaY5/pZ300gTIMAOc0hbNqctmz NshfWwPYJRHHUsUv7bRZJJIdOYMWpv3CBbpJoRLYa/A5uDpHU91hRb4ca8tn+CBC/z2v 7wmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=zNEbBbUjVUwNrqsw9c+UpkNEFF7VA0EYfHLp5cIzntw=; b=qmXLJl4hZYsZKdOK2yE/lN8EBByStEm1g6J6dRtlnqqXyqYKFM3TROsMshbJqGdphj heZ6OXKvGr7mCoRh0tH0EXVmS5hmOGE4aGl2uJ3RDc316DMnRpmstRJhb3toq1L93EDC yFgNpMoPBUnLc2HzHwJrmEt6+Pk0aOYgv1bYXAgAyKIdRLeMIwi2bhKnrgP5q5WEdC/R I3vLxAd8bTdnw/XynKlAHv+8laz0aZoTPveFfHCq7w/mVuF6GExJlegz+vAKEnBYsl7J iKuoe/9sQ31kuXEQ4wI8gGWLGDBtnWSuSdRcrHIZOvBjGIyvPS7d1ooXiAe5qEUNEdSW iDvw== X-Gm-Message-State: AOAM532OUxXlL71CtQ3mF61m9aAbJ8jfd0tS1zh+QFevzI9wPFw2XjCe e9+iK7IgGnZTlb/JkFnnJ7xK78kNSN3vEZIwcIo= X-Google-Smtp-Source: ABdhPJwWbtiTp58G6aNpNqEPufDWDe2zDs+IKNE1XLpICWlrRQN8YWmIrp5YpIBo0gnH6aOzErytNSLLgd+pskDj6ew= Sender: "samitolvanen via sendgmr" X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:a25:aa04:: with SMTP id s4mr8172287ybi.285.1605737293084; Wed, 18 Nov 2020 14:08:13 -0800 (PST) Date: Wed, 18 Nov 2020 14:07:31 -0800 In-Reply-To: <20201118220731.925424-1-samitolvanen@google.com> Message-Id: <20201118220731.925424-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20201118220731.925424-1-samitolvanen@google.com> X-Mailer: git-send-email 2.29.2.454.gaff20da3a2-goog Subject: [PATCH v7 17/17] arm64: allow LTO_CLANG and THINLTO to be selected From: Sami Tolvanen To: Masahiro Yamada , Steven Rostedt , Will Deacon Cc: Josh Poimboeuf , Peter Zijlstra , Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Allow CONFIG_LTO_CLANG and CONFIG_THINLTO to be enabled. Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index c7f07978f5b6..56bd83a764f4 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -73,6 +73,8 @@ config ARM64 select ARCH_USE_SYM_ANNOTATIONS select ARCH_SUPPORTS_MEMORY_FAILURE select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK + select ARCH_SUPPORTS_LTO_CLANG + select ARCH_SUPPORTS_THINLTO select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) select ARCH_SUPPORTS_NUMA_BALANCING -- 2.29.2.299.gdc1121823c-goog