From patchwork Wed Jun 24 20:31:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sami Tolvanen X-Patchwork-Id: 1316560 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=UWquwQhX; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49sZcV4hzJz9sT2 for ; Thu, 25 Jun 2020 06:34:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406577AbgFXUdc (ORCPT ); Wed, 24 Jun 2020 16:33:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406573AbgFXUdb (ORCPT ); Wed, 24 Jun 2020 16:33:31 -0400 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7895C0613ED for ; Wed, 24 Jun 2020 13:33:31 -0700 (PDT) Received: by mail-qk1-x749.google.com with SMTP id i6so2461438qkn.22 for ; Wed, 24 Jun 2020 13:33:31 -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=tPGFlpm4UBb0TochKjxo1pWDKJKPOqpdcyA67hsa/L0=; b=UWquwQhXAU0FVu4xLvS68q0H5KMxmC2ClvghZJMO4mnRx07EpAl76zEcZBzo4oeEr0 7QXs8i2/+8O4w4SxtWsY3wN7GwxBdmr8ei0LaPar71G/kQf7fHaujWILvZ2kj0I3OQnr XU2/mlOZsNQvQSHPQNf0o+Qm3V8oiEUyLdtK1wUmyBN7hxR5xoSfaX9vD6ylX1d8MUtg 8oc06ZHQnmcIQFLeYAyeQNfJHs0QNV6Vk/mbPBcPZcsZ2TSgTBf3waXZc3e781NAKP/5 u74kiQ+ly65wZm433U8lBfaxNpuvW2v+K3io3UW/wCh82HySe+7ylz3czOz1zaRbngJk H88w== 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=tPGFlpm4UBb0TochKjxo1pWDKJKPOqpdcyA67hsa/L0=; b=OwxCxEqFBBP02A0tTOpYHXdblTGeyLGRb+pVkpz4ZOBfHnTK8lPBiec+W2EMugn2oN dF5Fi68t+NNojqEWNypcgZawI3hhU+D+pySWSo6QjOv7utIyZnYy/sJx/SY0ZcBJZwt1 q2xpLshI6Fa/aXeWxZXzAo8fpICiS/I9ZumGudHmzYwEsMUvS/rAMPfKBwYQN5MojJtB aZQN98U4zalB2X/8+aEA+GXJpjnBMQbpGFZ6bJe/HLBkc08aOE42RhoECr4ctFkeUDdI 6wXanUnPJrpknNLAWGz7ta5hPq4vLUgOR2XR8mTVoq94xXvfYUHv4Yj4xbY5ECdmBmVN YxlA== X-Gm-Message-State: AOAM533ZoCx1Zun8OnU+HI7vSqsX6ZHElN7Qk4uLRppWev64/19+O1sp d5pise9E+PpBCdKKqucQesWBOE1szWJs1Pu2dyY= X-Google-Smtp-Source: ABdhPJwOmVj5AVipomAFkeyuweymmty039I+YIpShmyF/4KLduyGozlOwEpdaQAyz+L93rzFTlrhSA4YsbqHyVAyM6Y= X-Received: by 2002:a0c:8482:: with SMTP id m2mr33607693qva.65.1593030810891; Wed, 24 Jun 2020 13:33:30 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:56 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-19-samitolvanen@google.com> Mime-Version: 1.0 References: <20200624203200.78870-1-samitolvanen@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH 18/22] arm64: allow LTO_CLANG and THINLTO to be selected From: Sami Tolvanen To: Masahiro Yamada , Will Deacon Cc: 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 Sender: linux-pci-owner@vger.kernel.org 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 --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a4a094bedcb2..e1961653964d 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