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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5F45CC433EF for ; Wed, 11 May 2022 14:10:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=q+y/ZpJ+NXrfuXXT8nqbp8cqa2c/1GRFeZxfUsRyI0s=; b=CnhmkT+4oTz9Ti Wjg0NwfPc/GQxMrqO8Rh/eNzP7vgCGDC7lY0f4K3MW4r9Q/MudFCQnPjgNLi8MPKQ9EG93BWqMa89 NPaxKjlUSEIBrLQ9QFdWfVyIAaix12QQdI/6zZwDwoDBouA7uxCeIsU6ngVn39dt25UL52juK01zG ArK92EBiPrsAOsthphsdmJJZ+l6DLn+WemwjnoKD4M3vXCpaO9az3fXZywQnp1kXHJ61UOyJT/teM 5zoUCdMjEmsFUpujtDc3gQBeWy1SRjIMuJQShwU31Cn/G7QLgQzHuzE6uWWOOtA5SZKfO6WdYysx6 gP67q2OC0VElGkf88Qiw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1non36-0077Pn-E6; Wed, 11 May 2022 14:10:44 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1non33-0077OA-Od for linux-riscv@lists.infradead.org; Wed, 11 May 2022 14:10:43 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id D48C468C4E; Wed, 11 May 2022 16:10:34 +0200 (CEST) Date: Wed, 11 May 2022 16:10:34 +0200 From: Christoph Hellwig To: Mike Rapoport Cc: Christoph Hellwig , Conor.Dooley@microchip.com, sfr@canb.auug.org.au, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: linux-next: Tree for May 3 Message-ID: <20220511141034.GA31732@lst.de> References: <9a424be9-380f-f99c-4126-25a00eba0271@microchip.com> <20220509141122.GA14555@lst.de> <505d41d1-1bc8-c8bc-5ebb-8a2b7934f3de@microchip.com> <20220511062232.GA32524@lst.de> <102578f2-5c10-e9c2-c1ef-e76ba90d011e@microchip.com> <20220511064832.GA761@lst.de> <2c0e2fbe-4e45-4acc-c2a7-4f4dcf9161a3@microchip.com> <20220511123724.GA25121@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220511_071041_970217_FE54A447 X-CRM114-Status: GOOD ( 12.41 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, May 11, 2022 at 05:08:52PM +0300, Mike Rapoport wrote: > I guess the default to use memblock_alloc_low() backfires on system with > physical memory living at 0x1000200000: > > [ 0.000000] Early memory node ranges > [ 0.000000] node 0: [mem 0x0000001000200000-0x000000103fffffff] > > The default limit for "low" memory is 0xffffffff and there is simply no > memory there. Is there any way to ask memblock for a specific address limit? swiotlb just wants <= 32-bit by default. With the little caveat that it should be 32-bit addressable for all devices, and we don't know the physical to dma address mapping at time of allocation. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv