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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 B92A0C433E5 for ; Tue, 21 Jul 2020 11:28:52 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 7544520658 for ; Tue, 21 Jul 2020 11:28:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7544520658 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 45D2588D6B; Tue, 21 Jul 2020 11:28:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N3sGHh0Vg+Dp; Tue, 21 Jul 2020 11:28:51 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id 63DFE88CBD; Tue, 21 Jul 2020 11:28:51 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 3CFADC088E; Tue, 21 Jul 2020 11:28:51 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 075C3C016F for ; Tue, 21 Jul 2020 11:28:49 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id E82D2893CA for ; Tue, 21 Jul 2020 11:28:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kMcXJHQ7q2iG for ; Tue, 21 Jul 2020 11:28:47 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by hemlock.osuosl.org (Postfix) with ESMTPS id 9AF60883C9 for ; Tue, 21 Jul 2020 11:28:47 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 2BCBC68AFE; Tue, 21 Jul 2020 13:28:43 +0200 (CEST) Date: Tue, 21 Jul 2020 13:28:42 +0200 From: Christoph Hellwig To: Nicolas Saenz Julienne Subject: Re: [PATCH] dma-pool: Do not allocate pool memory from CMA Message-ID: <20200721112842.GB27356@lst.de> References: <20200708164936.9340-1-nsaenzjulienne@suse.de> <550b30a86c0785049d24c945e2c6628d491cee3a.camel@suse.de> <011994f8a717a00dcd9ed7682a1ddeb421c2c43f.camel@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <011994f8a717a00dcd9ed7682a1ddeb421c2c43f.camel@suse.de> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Amit Pundir , lkml , jeremy.linton@arm.com, Sumit Semwal , iommu@lists.linux-foundation.org, John Stultz , linux-rpi-kernel@lists.infradead.org, David Rientjes , Robin Murphy , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Tue, Jul 21, 2020 at 01:15:23PM +0200, Nicolas Saenz Julienne wrote: > I'm at loss at what could be failing here. Your device should be able > to address the whole 8GB memory space, which AFAIK is the max available > on that smartphone family. But maybe the device-tree is lying, who > knows... Maybe we should give your patch to allocate from CMA but check the address a try? (just because we can..) _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu