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=-5.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 601A4C28CC3 for ; Tue, 4 Jun 2019 11:35:15 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 32A0024BF6 for ; Tue, 4 Jun 2019 11:35:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="emCZJ7it" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 32A0024BF6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id E727CD4F; Tue, 4 Jun 2019 11:35:14 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 6EBABB65 for ; Tue, 4 Jun 2019 11:35:14 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from hqemgate14.nvidia.com (hqemgate14.nvidia.com [216.228.121.143]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 95A49711 for ; Tue, 4 Jun 2019 11:35:12 +0000 (UTC) Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 04 Jun 2019 04:35:10 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 04 Jun 2019 04:35:11 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 04 Jun 2019 04:35:11 -0700 Received: from DRHQMAIL107.nvidia.com (10.27.9.16) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 4 Jun 2019 11:35:11 +0000 Received: from [10.26.11.158] (172.20.13.39) by DRHQMAIL107.nvidia.com (10.27.9.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 4 Jun 2019 11:35:08 +0000 Subject: Re: [PATCH 07/26] iommu/dma: move the arm64 wrappers to common code To: Christoph Hellwig References: <20190422175942.18788-1-hch@lst.de> <20190422175942.18788-8-hch@lst.de> <06b331f0-7df7-a6cd-954c-789f89a0836d@arm.com> <20190604060554.GA14536@lst.de> From: Jon Hunter Message-ID: <5e119919-bbfd-14a4-0258-93e8249d11c4@nvidia.com> Date: Tue, 4 Jun 2019 12:35:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190604060554.GA14536@lst.de> X-Originating-IP: [172.20.13.39] X-ClientProxiedBy: HQMAIL106.nvidia.com (172.18.146.12) To DRHQMAIL107.nvidia.com (10.27.9.16) Content-Language: en-US DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1559648110; bh=VdqCX9RhIKbSosQO8ZrtJXPmMRZiVMAZh+LN9yQt9Zk=; h=X-PGP-Universal:Subject:To:CC:References:From:Message-ID:Date: User-Agent:MIME-Version:In-Reply-To:X-Originating-IP: X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=emCZJ7it6lQS53IGu3TzNnekDYJaA//l1h7EaXgGok72LlXH4v9jhBAOGQz59yBV4 uYLIm9wA8pSFenLXo9wX7QKjEjv1kcJRtovDerKh6hs3he51kpHfqrKB19qfA8gG2N Y37awIOpATCkodK1yiiLnWKsYxhHzIPMofESI5qT+J2Pu+7R+6uDdYfIRE3tHij3LC wuYTsm1vWBrKeeJ3WgBQkWNLGs1mOxBO/NnkHfhYBVTqVNVhwNh3Eg49AVRVUD9SIR Uzr4wK1ElNJox0xa4xVXPelS4UcglZJJ7ebbiM61sRgdQ84RBEMjJqexYIaLMth4JY Lh71EqBvSMgrw== Cc: Tom Lendacky , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-tegra , Robin Murphy , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 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 Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On 04/06/2019 07:05, Christoph Hellwig wrote: > On Mon, Jun 03, 2019 at 08:47:57PM +0100, Jon Hunter wrote: >> Since next-20190529 one of our tests for MMC has started failing, where >> the symptom is that the data written to the MMC does not match the >> source. Bisecting this is pointing to this commit. Unfortunately, I am >> not able to cleanly revert this on top of -next, but wanted to report >> this if case you have any ideas. > > Does this fix your problem? > > https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git/commit/?h=generic-dma-ops&id=1b961423158caaae49d3900b7c9c37477bbfa9b3 Yes I can confirm with this patch on today's -next the issue is no longer seen, and reverting this patch on top of today's -next causes the problem to occur again. So yes this fixes my problem. Thanks! Jon -- nvpublic _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu