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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 25817C76186 for ; Tue, 23 Jul 2019 18:51:25 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EFF8D21841 for ; Tue, 23 Jul 2019 18:51:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sRkkUGob" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFF8D21841 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=davemloft.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Mime-Version:References:In-Reply-To: From:Subject:To:Message-Id:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lph7hMfFbWIx05vGQtWt8cguwdNhK4G118murGQ81IQ=; b=sRkkUGobdwWU7I dqcfGpMnkYDEWhdjrYXTOZjDg0xoEUubJGXVYT1JFDSYw16TP6UTiCug7InoaiznTZTeefAo3XYDR B0qbngv3K3+VbVFXlEYg5kBS2Em0btwiGWFz1p33WVQBXsG/vwKBcDxzrJRSedOFe/+DYRjQxpLsL XvOZtBdgcQNHJGmJztQGDuNo/ax++Y3DvMn2m5non7cyWuffrl8KhtV3aDAEdsZGxpDukFd+48hIK yZpx34NkBWvmduWOwbZwA7oUo/ai320aZZAeQU1g38VcgiiqietSW5AaPlIDn1wEwwHdAKNuA0wNQ DbSuEvmdcaa6sOiXfEDw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hpzsb-0002hr-Cl; Tue, 23 Jul 2019 18:51:17 +0000 Received: from shards.monkeyblade.net ([2620:137:e000::1:9]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hpzsX-0002hY-P3 for linux-arm-kernel@lists.infradead.org; Tue, 23 Jul 2019 18:51:14 +0000 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 8B47C153B91FF; Tue, 23 Jul 2019 11:51:12 -0700 (PDT) Date: Tue, 23 Jul 2019 11:51:12 -0700 (PDT) Message-Id: <20190723.115112.1824255524103179323.davem@davemloft.net> To: jonathanh@nvidia.com Subject: Re: [PATCH net-next 3/3] net: stmmac: Introducing support for Page Pool From: David Miller In-Reply-To: <8756d681-e167-fe4a-c6f0-47ae2dcbb100@nvidia.com> References: <6c769226-bdd9-6fe0-b96b-5a0d800fed24@arm.com> <8756d681-e167-fe4a-c6f0-47ae2dcbb100@nvidia.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 23 Jul 2019 11:51:13 -0700 (PDT) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190723_115113_814968_2A00D800 X-CRM114-Status: UNSURE ( 5.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jose.Abreu@synopsys.com, Joao.Pinto@synopsys.com, alexandre.torgue@st.com, maxime.ripard@bootlin.com, netdev@vger.kernel.org, ilias.apalodimas@linaro.org, linux-kernel@vger.kernel.org, wens@csie.org, linux-arm-kernel@lists.infradead.org, mcoquelin.stm32@gmail.com, linux-tegra@vger.kernel.org, peppe.cavallaro@st.com, robin.murphy@arm.com, linux-stm32@st-md-mailman.stormreply.com, lists@bofh.nu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Jon Hunter Date: Tue, 23 Jul 2019 13:09:00 +0100 > Setting "iommu.passthrough=1" works for me. However, I am not sure where > to go from here, so any ideas you have would be great. Then definitely we are accessing outside of a valid IOMMU mapping due to the page pool support changes. Such a problem should be spotted with swiommu enabled with debugging. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel