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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 24707C33C8C for ; Mon, 6 Jan 2020 23:20:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBCAB20731 for ; Mon, 6 Jan 2020 23:20:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lixom-net.20150623.gappssmtp.com header.i=@lixom-net.20150623.gappssmtp.com header.b="jYk9DRTR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727382AbgAFXUe (ORCPT ); Mon, 6 Jan 2020 18:20:34 -0500 Received: from mail-pj1-f65.google.com ([209.85.216.65]:50260 "EHLO mail-pj1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726760AbgAFXUd (ORCPT ); Mon, 6 Jan 2020 18:20:33 -0500 Received: by mail-pj1-f65.google.com with SMTP id r67so8174427pjb.0 for ; Mon, 06 Jan 2020 15:20:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lixom-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=srz94l2uXXDm8uhaL89NYYkGpBsk/DmmiKVKo8s3kgo=; b=jYk9DRTRireyhjENtb52/RKEST50v32C96Gq260txWajZnQCgvUkbcTRp/HvgmsJaT zio3OwSDqGdiXCpd48WpezHFzzepUlB+PVpMpQ2My7r9JRq2BJqjNCVI5afWqXSfJoOT 3g2Y2WuNNxSo1s1b2ffQ/j3mNeveIpYI1/8/ELdrC0kR1Ev2pn7AKndFKjqaBcP1cODK imi5R+9ix0WXJOgNuP4sKKLEJZor44iihGN5WQMLFWq8BEIP5Dx2awjyHfD+llAMVE3Q MNBFDf1/6nK7oq21s2djuQyxFWtVlh9QIQ4E4guLOcR6mJ1SRg6dMkA4cy1ovcoBpk7U Xxsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=srz94l2uXXDm8uhaL89NYYkGpBsk/DmmiKVKo8s3kgo=; b=hvP43sxG/HM5Ssj3mnVafNw9bV4i4PFjdo4OiWJi/+sAJTUI9RgmnRwlxhsel5ISMQ zhWP2JT7gTinK7mFwvSMMeHXGYdEfxVB0fs1GzigWTgulnR2jtPTnfX/BVirY1t1gx8F rg2BeMfBw+nqE2UierNTdYnYcF8jv5TRWvWpEc4JFJmsVrNKg06m//H5XtEoBS8EqW9G Nrjpljnu+4St8feaDw7sTVG37Di/xtpGjytFUrXwVjwInScMl7FnxoUVCp7z9s/kpXYy VVIQ+zoYhb2XBcD5Hf81Iv6ERymlO4CNTn317sJ0kW5JLFGMwzdXZFZOfMkdnt5GXOqc qelA== X-Gm-Message-State: APjAAAUkuNmC/Zr1j0BDMTRcvxC735eJE38as0ZPh55VzbUIxMdpvQeJ X4tnsSB2YTPglG+YAz4XwAd6ig== X-Google-Smtp-Source: APXvYqyXTzaS5RNfBUvI/u+g1zVhiot57BVfPvtWE5HmMqzI7VmtD21utgVOzkWZoI+sUgG8+/v17w== X-Received: by 2002:a17:902:b40a:: with SMTP id x10mr90682005plr.64.1578352833142; Mon, 06 Jan 2020 15:20:33 -0800 (PST) Received: from rip.lixom.net (99-152-116-91.lightspeed.sntcca.sbcglobal.net. [99.152.116.91]) by smtp.gmail.com with ESMTPSA id u26sm76165686pfn.46.2020.01.06.15.20.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2020 15:20:32 -0800 (PST) From: Olof Johansson To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Olof Johansson Subject: [PATCH v2] riscv: keep 32-bit kernel to 32-bit phys_addr_t Date: Mon, 6 Jan 2020 15:20:24 -0800 Message-Id: <20200106232024.97137-1-olof@lixom.net> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200106231611.10169-1-olof@lixom.net> References: <20200106231611.10169-1-olof@lixom.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While rv32 technically has 34-bit physical addresses, no current platforms use it and it's likely to shake out driver bugs. Let's keep 64-bit phys_addr_t off on 32-bit builds until one shows up, since other work will be needed to make such a system useful anyway. PHYS_ADDR_T_64BIT is def_bool 64BIT, so just remove the select. Signed-off-by: Olof Johansson --- v2: Just remove the select, since it's set by default if CONFIG_64BIT arch/riscv/Kconfig | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a31169b02ec06..569fc6deb94d6 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -12,8 +12,6 @@ config 32BIT config RISCV def_bool y - # even on 32-bit, physical (and DMA) addresses are > 32-bits - select PHYS_ADDR_T_64BIT select OF select OF_EARLY_FLATTREE select OF_IRQ -- 2.20.1