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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 85E1EC433E2 for ; Tue, 21 Jul 2020 11:37:18 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 58DB72080D for ; Tue, 21 Jul 2020 11:37:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58DB72080D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.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 silver.osuosl.org (Postfix) with ESMTP id 2BC332050F; Tue, 21 Jul 2020 11:37:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ALRkgI+K3prr; Tue, 21 Jul 2020 11:37:16 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 3068520412; Tue, 21 Jul 2020 11:37:16 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 1CC00C088E; Tue, 21 Jul 2020 11:37:16 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id E7F70C016F for ; Tue, 21 Jul 2020 11:37:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id CD5052050F for ; Tue, 21 Jul 2020 11:37:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 57xhUI7KPK34 for ; Tue, 21 Jul 2020 11:37:14 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by silver.osuosl.org (Postfix) with ESMTPS id 15B0020412 for ; Tue, 21 Jul 2020 11:37:14 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 6D424AD25; Tue, 21 Jul 2020 11:37:19 +0000 (UTC) Message-ID: Subject: Re: [PATCH] dma-pool: Do not allocate pool memory from CMA From: Nicolas Saenz Julienne To: Christoph Hellwig , Amit Pundir Date: Tue, 21 Jul 2020 13:37:11 +0200 In-Reply-To: <20200721112842.GB27356@lst.de> References: <20200708164936.9340-1-nsaenzjulienne@suse.de> <550b30a86c0785049d24c945e2c6628d491cee3a.camel@suse.de> <011994f8a717a00dcd9ed7682a1ddeb421c2c43f.camel@suse.de> <20200721112842.GB27356@lst.de> User-Agent: Evolution 3.36.3-0ubuntu1 MIME-Version: 1.0 Cc: lkml , jeremy.linton@arm.com, iommu@lists.linux-foundation.org, John Stultz , linux-rpi-kernel@lists.infradead.org, David Rientjes , Robin Murphy , Sumit Semwal 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, 2020-07-21 at 13:28 +0200, Christoph Hellwig wrote: > 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..) Yes, good idea! Amir, could you also test this patch[1] (having reverted the one that casues trouble) and report on whether it boots or not? Regards, Nicolas [1] https://lore.kernel.org/linux-iomhttps://lore.kernel.org/linux-iom mu/fe14037b02fd887a73cd91c115dccc4485f8446e.camel@suse.de/T/#t _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu