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 9E558C34047 for ; Tue, 18 Feb 2020 18:32:00 +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 6CB6F2464E for ; Tue, 18 Feb 2020 18:31:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CB6F2464E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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 6AB188557B; Tue, 18 Feb 2020 18:31:59 +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 jHh2p8BV4Zvp; Tue, 18 Feb 2020 18:31:56 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id DFC4584F69; Tue, 18 Feb 2020 18:31:56 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id C648CC1D84; Tue, 18 Feb 2020 18:31:56 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id DE2F1C013E for ; Tue, 18 Feb 2020 18:31:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id D2067853E6 for ; Tue, 18 Feb 2020 18:31:55 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id r1P9fRkFCHEb for ; Tue, 18 Feb 2020 18:31:55 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by hemlock.osuosl.org (Postfix) with ESMTP id 24819820C9 for ; Tue, 18 Feb 2020 18:31:55 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 843CF31B; Tue, 18 Feb 2020 10:31:54 -0800 (PST) Received: from [10.1.196.37] (e121345-lin.cambridge.arm.com [10.1.196.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 98D963F68F; Tue, 18 Feb 2020 10:31:52 -0800 (PST) Subject: Re: drivers/iommu/qcom_iommu.c:348 qcom_iommu_domain_free+0x5c/0x70 To: Greg Kroah-Hartman , Naresh Kamboju References: <20200218182359.GC2635524@kroah.com> From: Robin Murphy Message-ID: <19d57dfd-12df-9237-3576-32b0feef90fa@arm.com> Date: Tue, 18 Feb 2020 18:31:51 +0000 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200218182359.GC2635524@kroah.com> Content-Language: en-GB Cc: Sasha Levin , open list , lkft-triage@lists.linaro.org, bjorn.andersson@linaro.org, iommu@lists.linux-foundation.org, linux- stable , linux-arm-msm@vger.kernel.org, Nicolas Dechesne , Will Deacon , masneyb@onstation.org 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 18/02/2020 6:23 pm, Greg Kroah-Hartman wrote: [...] > Can you bisect to find the offending commit? This particular presentation appears to be down to the DRM driver starting to call of_platform_depopulate(), but it's merely exposing badness in the IOMMU driver that's been there from day 1. I just sent a fix for that[1]. Robin. [1] https://lore.kernel.org/linux-iommu/be92829c6e5467634b109add002351e6cf9e18d2.1582049382.git.robin.murphy@arm.com/ _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu