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 55C99C433EB for ; Tue, 28 Jul 2020 12:41:22 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 35DF520786 for ; Tue, 28 Jul 2020 12:41:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 35DF520786 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 fraxinus.osuosl.org (Postfix) with ESMTP id 10D8485FAD; Tue, 28 Jul 2020 12:41:22 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yB5UsqipwiUY; Tue, 28 Jul 2020 12:41:20 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id 5CEC785FA5; Tue, 28 Jul 2020 12:41:20 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 4822DC0050; Tue, 28 Jul 2020 12:41:20 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2DB6DC004D for ; Tue, 28 Jul 2020 12:41:19 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id 1B9CD85FA7 for ; Tue, 28 Jul 2020 12:41:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c6DgQUEQpc7t for ; Tue, 28 Jul 2020 12:41:18 +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 fraxinus.osuosl.org (Postfix) with ESMTPS id 972AC85FA5 for ; Tue, 28 Jul 2020 12:41:18 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 177C068B05; Tue, 28 Jul 2020 14:41:15 +0200 (CEST) Date: Tue, 28 Jul 2020 14:41:14 +0200 From: Christoph Hellwig To: Amit Pundir Subject: Re: dma-pool fixes Message-ID: <20200728124114.GA4865@lst.de> References: <20200728104742.422960-1-hch@lst.de> <20200728120716.GA2507@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: jeremy.linton@arm.com, iommu@lists.linux-foundation.org, 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 28, 2020 at 05:55:30PM +0530, Amit Pundir wrote: > On Tue, 28 Jul 2020 at 17:37, Christoph Hellwig wrote: > > > > On Tue, Jul 28, 2020 at 05:32:56PM +0530, Amit Pundir wrote: > > > > can you try these two patches? The first one makes sure we don't apply > > > > physical address based checks for IOMMU allocations, and the second one > > > > is a slightly tweaked version of the patch from Nicolas to allow dipping > > > > into the CMA areas for allocations to expand the atomic pools. > > > > > > Sorry, verified a couple of times but these two patches are not working > > > for me. I'm stuck at the bootloader splash screen on my phone. > > > > Thanks for testing. The only intended functional change compared to > > Fridays patch was the issue Nicolas pointed out. Can you try this hack > > on top? > > Yes, that worked. Oh well, this leaves me confused again. It looks like your setup really needs a CMA in zone normal for the dma or dma32 pool. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu