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 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 76765C433E0 for ; Tue, 21 Jul 2020 11:37:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B3D622CBB for ; Tue, 21 Jul 2020 11:37:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729710AbgGULhO (ORCPT ); Tue, 21 Jul 2020 07:37:14 -0400 Received: from mx2.suse.de ([195.135.220.15]:39252 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726942AbgGULhN (ORCPT ); Tue, 21 Jul 2020 07:37:13 -0400 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 Cc: Marek Szyprowski , Robin Murphy , David Rientjes , linux-rpi-kernel@lists.infradead.org, jeremy.linton@arm.com, iommu@lists.linux-foundation.org, lkml , John Stultz , Sumit Semwal 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> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.3-0ubuntu1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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