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=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 BA5EEC43613 for ; Mon, 24 Jun 2019 11:47:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8FDEE20674 for ; Mon, 24 Jun 2019 11:47:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pKNojIY8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8FDEE20674 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ygnhVPUV2hkeSKj3BOZ847VFae7x26F6O4bUD5RvLcA=; b=pKNojIY83lTXxa UpkPFYn3Bn2CbwfNPClT/aiE0KRhQfjyscA+hEqB2YPJ48NiNZzccuCDsfeL/xKrCWrCwFj6oW+bf xlVqRaYUN2F1WTiqPs4KPYWMRJvOTSXNCENclw+Bj6l36X6He5qvHk59enyNYswEvoc82JfKoNYvm BOXs7nYsI6uYTp5oTjnp+MpjZBME3Vahu9JNLy8YZBDFK3OrQn6QQ8mZ30/+nTJNnyNGTAZSe7r/W KHxowrJWk8KV8F9XFn1PwZlXsGdsmp2UskfSF45YmF3FFNIhiIxFUogakYldsd5nHBaxJMg4HJgBw M2pD5oMSYxbd3kGkgWZQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hfNRM-0004n2-2L; Mon, 24 Jun 2019 11:47:16 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hfNRJ-0004lz-8z for linux-riscv@lists.infradead.org; Mon, 24 Jun 2019 11:47:14 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EDE242B; Mon, 24 Jun 2019 04:47:10 -0700 (PDT) Received: from [10.1.32.158] (unknown [10.1.32.158]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7606B3F718; Mon, 24 Jun 2019 04:47:09 -0700 (PDT) Subject: Re: RISC-V nommu support v2 To: Christoph Hellwig , Palmer Dabbelt , Paul Walmsley References: <20190624054311.30256-1-hch@lst.de> From: Vladimir Murzin Message-ID: <28e3d823-7b78-fa2b-5ca7-79f0c62f9ecb@arm.com> Date: Mon, 24 Jun 2019 12:47:07 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190624054311.30256-1-hch@lst.de> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190624_044713_361851_7BD61D54 X-CRM114-Status: GOOD ( 16.13 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, Damien Le Moal , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Hi, On 6/24/19 6:42 AM, Christoph Hellwig wrote: > Hi all, > > below is a series to support nommu mode on RISC-V. For now this series > just works under qemu with the qemu-virt platform, but Damien has also > been able to get kernel based on this tree with additional driver hacks > to work on the Kendryte KD210, but that will take a while to cleanup > an upstream. > > To be useful this series also require the RISC-V binfmt_flat support, > which I've sent out separately. > > A branch that includes this series and the binfmt_flat support is > available here: > > git://git.infradead.org/users/hch/riscv.git riscv-nommu.2 > > Gitweb: > > http://git.infradead.org/users/hch/riscv.git/shortlog/refs/heads/riscv-nommu.2 > > I've also pushed out a builtroot branch that can build a RISC-V nommu > root filesystem here: > > git://git.infradead.org/users/hch/buildroot.git riscv-nommu.2 > > Gitweb: > > http://git.infradead.org/users/hch/buildroot.git/shortlog/refs/heads/riscv-nommu.2 > > Changes since v1: > - fixes so that a kernel with this series still work on builds with an > IOMMU > - small clint cleanups > - the binfmt_flat base and buildroot now don't put arguments on the stack > > Since you are using binfmt_flat which is kind of 32-bit only I was expecting to see CONFIG_COMPAT (or something similar to that, like ILP32) enabled, yet I could not find it. I do not know much about RISC-V architecture, so it is why I'm wondering how you deal with that? Cheers Vladimir _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv