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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 88DFCC43603 for ; Wed, 4 Dec 2019 08:56:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 580F720675 for ; Wed, 4 Dec 2019 08:56:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727209AbfLDI4i (ORCPT ); Wed, 4 Dec 2019 03:56:38 -0500 Received: from verein.lst.de ([213.95.11.211]:47963 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725839AbfLDI4i (ORCPT ); Wed, 4 Dec 2019 03:56:38 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id A08A768BFE; Wed, 4 Dec 2019 09:56:34 +0100 (CET) Date: Wed, 4 Dec 2019 09:56:34 +0100 From: Christoph Hellwig To: Mike Rapoport Cc: Christoph Hellwig , Christian Zigotzky , Robin Murphy , linux-arch@vger.kernel.org, darren@stevens-zone.net, mad skateman , Benjamin Herrenschmidt , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, rtd2@xtra.co.nz, "contact@a-eon.com" , linuxppc-dev , nsaenzjulienne@suse.de Subject: Re: Bug 205201 - Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M Message-ID: <20191204085634.GA25929@lst.de> References: <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de> <20191121180226.GA3852@lst.de> <2fde79cf-875f-94e6-4a1b-f73ebb2e2c32@xenosoft.de> <20191125073923.GA30168@lst.de> <4681f5fe-c095-15f5-9221-4b55e940bafc@xenosoft.de> <20191126164026.GA8026@lst.de> <20191127065624.GB16913@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191127065624.GB16913@linux.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 27, 2019 at 08:56:25AM +0200, Mike Rapoport wrote: > On Tue, Nov 26, 2019 at 05:40:26PM +0100, Christoph Hellwig wrote: > > On Tue, Nov 26, 2019 at 12:26:38PM +0100, Christian Zigotzky wrote: > > > Hello Christoph, > > > > > > The PCI TV card works with your patch! I was able to patch your Git kernel > > > with the patch above. > > > > > > I haven't found any error messages in the dmesg yet. > > > > Thanks. Unfortunately this is a bit of a hack as we need to set > > the mask based on runtime information like the magic FSL PCIe window. > > Let me try to draft something better up, and thanks already for testing > > this one! > > Maybe we'll simply force bottom up allocation before calling > swiotlb_init()? Anyway, it's the last memblock allocation. So I think we should go with this fix (plus a source code comment) for now. Revamping the whole memory initialization is going to take a while, and this fix also is easily backportable. 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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 D1B2DC43603 for ; Wed, 4 Dec 2019 08:58:35 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 1C8D92073B for ; Wed, 4 Dec 2019 08:58:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C8D92073B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47SXnh6D5yzDqTX for ; Wed, 4 Dec 2019 19:58:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47SXlb4rL3zDqPQ for ; Wed, 4 Dec 2019 19:56:41 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id A08A768BFE; Wed, 4 Dec 2019 09:56:34 +0100 (CET) Date: Wed, 4 Dec 2019 09:56:34 +0100 From: Christoph Hellwig To: Mike Rapoport Subject: Re: Bug 205201 - Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M Message-ID: <20191204085634.GA25929@lst.de> References: <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de> <20191121180226.GA3852@lst.de> <2fde79cf-875f-94e6-4a1b-f73ebb2e2c32@xenosoft.de> <20191125073923.GA30168@lst.de> <4681f5fe-c095-15f5-9221-4b55e940bafc@xenosoft.de> <20191126164026.GA8026@lst.de> <20191127065624.GB16913@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191127065624.GB16913@linux.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, darren@stevens-zone.net, rtd2@xtra.co.nz, linuxppc-dev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, mad skateman , Christian Zigotzky , "contact@a-eon.com" , Robin Murphy , Christoph Hellwig , nsaenzjulienne@suse.de Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Nov 27, 2019 at 08:56:25AM +0200, Mike Rapoport wrote: > On Tue, Nov 26, 2019 at 05:40:26PM +0100, Christoph Hellwig wrote: > > On Tue, Nov 26, 2019 at 12:26:38PM +0100, Christian Zigotzky wrote: > > > Hello Christoph, > > > > > > The PCI TV card works with your patch! I was able to patch your Git kernel > > > with the patch above. > > > > > > I haven't found any error messages in the dmesg yet. > > > > Thanks. Unfortunately this is a bit of a hack as we need to set > > the mask based on runtime information like the magic FSL PCIe window. > > Let me try to draft something better up, and thanks already for testing > > this one! > > Maybe we'll simply force bottom up allocation before calling > swiotlb_init()? Anyway, it's the last memblock allocation. So I think we should go with this fix (plus a source code comment) for now. Revamping the whole memory initialization is going to take a while, and this fix also is easily backportable. 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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 57703C43603 for ; Wed, 4 Dec 2019 08:56:45 +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 234A820675 for ; Wed, 4 Dec 2019 08:56:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 234A820675 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 EDA5587A11; Wed, 4 Dec 2019 08:56:44 +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 Lb7F7o+xEhmK; Wed, 4 Dec 2019 08:56:43 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id EB10C878DE; Wed, 4 Dec 2019 08:56:43 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D7E0AC1DD6; Wed, 4 Dec 2019 08:56:43 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 05B1FC18DD for ; Wed, 4 Dec 2019 08:56:42 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id E20A320130 for ; Wed, 4 Dec 2019 08:56:41 +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 iE6Bp0w7Isbr for ; Wed, 4 Dec 2019 08:56:40 +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 silver.osuosl.org (Postfix) with ESMTPS id 3229E2041D for ; Wed, 4 Dec 2019 08:56:39 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id A08A768BFE; Wed, 4 Dec 2019 09:56:34 +0100 (CET) Date: Wed, 4 Dec 2019 09:56:34 +0100 From: Christoph Hellwig To: Mike Rapoport Subject: Re: Bug 205201 - Booting halts if Dawicontrol DC-2976 UW SCSI board installed, unless RAM size limited to 3500M Message-ID: <20191204085634.GA25929@lst.de> References: <6eec5c42-019c-a988-fc2a-cb804194683d@xenosoft.de> <20191121180226.GA3852@lst.de> <2fde79cf-875f-94e6-4a1b-f73ebb2e2c32@xenosoft.de> <20191125073923.GA30168@lst.de> <4681f5fe-c095-15f5-9221-4b55e940bafc@xenosoft.de> <20191126164026.GA8026@lst.de> <20191127065624.GB16913@linux.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191127065624.GB16913@linux.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-arch@vger.kernel.org, darren@stevens-zone.net, rtd2@xtra.co.nz, Benjamin Herrenschmidt , linuxppc-dev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Rob Herring , paulus@samba.org, mad skateman , Christian Zigotzky , "contact@a-eon.com" , Robin Murphy , Christoph Hellwig , nsaenzjulienne@suse.de 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 Wed, Nov 27, 2019 at 08:56:25AM +0200, Mike Rapoport wrote: > On Tue, Nov 26, 2019 at 05:40:26PM +0100, Christoph Hellwig wrote: > > On Tue, Nov 26, 2019 at 12:26:38PM +0100, Christian Zigotzky wrote: > > > Hello Christoph, > > > > > > The PCI TV card works with your patch! I was able to patch your Git kernel > > > with the patch above. > > > > > > I haven't found any error messages in the dmesg yet. > > > > Thanks. Unfortunately this is a bit of a hack as we need to set > > the mask based on runtime information like the magic FSL PCIe window. > > Let me try to draft something better up, and thanks already for testing > > this one! > > Maybe we'll simply force bottom up allocation before calling > swiotlb_init()? Anyway, it's the last memblock allocation. So I think we should go with this fix (plus a source code comment) for now. Revamping the whole memory initialization is going to take a while, and this fix also is easily backportable. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu