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 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87743C433EF for ; Mon, 23 May 2022 10:15:33 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 320B840B66; Mon, 23 May 2022 10:15:33 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id aj542P-l5nI1; Mon, 23 May 2022 10:15:32 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 1C49E40B65; Mon, 23 May 2022 10:15:32 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id EAB86C0039; Mon, 23 May 2022 10:15:31 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id B7921C002D for ; Mon, 23 May 2022 10:15:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id A55C183EEA for ; Mon, 23 May 2022 10:15:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IpzPIJiCv3pt for ; Mon, 23 May 2022 10:15:26 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by smtp1.osuosl.org (Postfix) with ESMTPS id C580283EE9 for ; Mon, 23 May 2022 10:15:25 +0000 (UTC) X-UUID: 312500fe813744eb977701a40b8ba4bd-20220523 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5, REQID:0ef1cd39-b4fc-4c0d-9cc9-15ae2262c6f2, OB:0, LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09, CLOUDID:ae72497a-5ef6-470b-96c9-bdb8ced32786, C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:-5,EDM:-3,IP:nil,URL:0,File:ni l,QS:0,BEC:nil X-UUID: 312500fe813744eb977701a40b8ba4bd-20220523 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 651026349; Mon, 23 May 2022 18:15:18 +0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 23 May 2022 18:15:16 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 23 May 2022 18:15:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Mon, 23 May 2022 18:15:16 +0800 To: Subject: Re: [PATCH 0/2] dma-mapping, remoteproc: Fix dma_mem leak after rproc_shutdown Date: Mon, 23 May 2022 18:15:16 +0800 Message-ID: <20220523101516.29934-1-mark-pk.tsai@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220423174650.GA29219@lst.de> References: <20220423174650.GA29219@lst.de> MIME-Version: 1.0 X-MTK: N Cc: mathieu.poirier@linaro.org, yj.chiang@mediatek.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, mark-pk.tsai@mediatek.com, matthias.bgg@gmail.com, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.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: , From: Mark-PK Tsai via iommu Reply-To: Mark-PK Tsai Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" > Sigh. In theory drivers should never declare coherent memory like > this, and there has been some work to fix remoteproc in that regard. > > But I guess until that is merged we'll need somthing like this fix. Hi, Thanks for your comment. As I didn't see other fix of this issue, should we use this patch before the remoteproc work you mentioned is merged? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu