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=-20.9 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, 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,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 E43CAC47426 for ; Tue, 29 Sep 2020 21:48:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F98921924 for ; Tue, 29 Sep 2020 21:48:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="mjtEviXm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728469AbgI2Vs5 (ORCPT ); Tue, 29 Sep 2020 17:48:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729212AbgI2Vrp (ORCPT ); Tue, 29 Sep 2020 17:47:45 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C91E9C0613E9 for ; Tue, 29 Sep 2020 14:47:33 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id o13so4064622qtl.6 for ; Tue, 29 Sep 2020 14:47:33 -0700 (PDT) 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=HR6xYTbNbcDM2Zx8OyOOjD6y5MQ06zsj0pUhq+j+6f0=; b=mjtEviXmAKLxRM/LKJDKCHLIap39YYCJi8bXUSknQxexGmScOixPfgLk2saryOKVhr MDXdwtc03Qsk8BhzaMB6wWLfJxFsJFr3vbeje5KUt1CCBDcvypxfH4Fd/DWdOskLuiWX NuoS4Bfi9pPbelk7+Wps01W1gREOYAgy0hs0foMuoNPzPZHoq/3Nbj/lsE5jTNdKMozj B1pDJbVp/H5WbOFBXWVr5QnvhRybtlvviWImhHwfWGzZfBrzqfvE+v/WN27Qnhw99flS d+zHsrVrZeZ906dvjvCq1dGlmBlNMTipr0bhZn+88+kegFwV/4iyBn9hGct0i3bRdod1 YlfA== 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=HR6xYTbNbcDM2Zx8OyOOjD6y5MQ06zsj0pUhq+j+6f0=; b=Vcwhxc+uRbIQtbNX9oY/u1RHj5KCJxbub9o0FF0xzOB6j5th9hon2D+9Zvwgw+R8IQ pQWq6f+0Lx3XexkQD4g+RcNRKGofKTcucxrBiExfWmJ8uq15XC7GkKB1i4Xr3OAP3o16 us7iBjQA/8riZhhv3nHm0CjnOsOCP/IvIv9vz4jlDdUfY1Y5NTN+YkgOU86XJVOqBAht 9SGPMavvmc8/xQ6BETA2kPD2ZHv02cYksM+UWbZZmJ8vwoZX8ghQS1f74qqYVWLLF+yF gqfWfmiPKbh6BJ+yw0NXFK1C8a75yj5nFG7NbRrygf2uafQNqryZujPyj9E78+sHjFrL li+w== X-Gm-Message-State: AOAM5324DYzjQDFJpDumpmrKdxFXotXufHJKUzo8bNWinlpSt03UQFTq PBQFZ0wsfjHrK/T6F1ib5mzK4HR5V5S7DmtPU1k= X-Google-Smtp-Source: ABdhPJzU2WBEA+8eGCg04PobSkCT+PMZ1E++tYvTMvMYCJ02D4tu/Rlfu13A0+WZqSX+Koxe9SboRRHBjqEXIi3STU4= 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:a0c:d682:: with SMTP id k2mr6249286qvi.27.1601416052963; Tue, 29 Sep 2020 14:47:32 -0700 (PDT) Date: Tue, 29 Sep 2020 14:46:28 -0700 In-Reply-To: <20200929214631.3516445-1-samitolvanen@google.com> Message-Id: <20200929214631.3516445-27-samitolvanen@google.com> Mime-Version: 1.0 References: <20200929214631.3516445-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.709.gb0816b6eb0-goog Subject: [PATCH v4 26/29] arm64: allow LTO_CLANG and THINLTO to be selected From: Sami Tolvanen To: Masahiro Yamada , Will Deacon , Steven Rostedt Cc: 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, x86@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 ad522b021f35..7016d193864f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -72,6 +72,8 @@ 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 -- 2.28.0.709.gb0816b6eb0-goog