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[68.147.0.187]) by smtp.gmail.com with ESMTPSA id 74-20020a62164d000000b005254535a2cfsm2035941pfw.136.2022.06.22.09.25.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jun 2022 09:25:43 -0700 (PDT) Date: Wed, 22 Jun 2022 10:25:40 -0600 From: Mathieu Poirier To: Christoph Hellwig Subject: Re: [PATCH 0/2] dma-mapping, remoteproc: Fix dma_mem leak after rproc_shutdown Message-ID: <20220622162540.GA1606016@p14s> References: <20220422062436.14384-1-mark-pk.tsai@mediatek.com> <20220423174650.GA29219@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220423174650.GA29219@lst.de> Cc: yj.chiang@mediatek.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, matthias.bgg@gmail.com, robin.murphy@arm.com, Mark-PK Tsai 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 Sat, Apr 23, 2022 at 07:46:50PM +0200, Christoph Hellwig wrote: > 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. Should I take this in the remoteproc tree? If so, can I get an RB? Thanks, Mathieu _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9ED94CCA481 for ; Wed, 22 Jun 2022 16:30:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nhVxaWNtri1CK0PHzSlalIxtbdAU1PUSddkvaK/+5e4=; b=L6euFR6dO9BZnR5u1ZmVtE74Z9 hCriaLZXzwDCuoqUKslVzHlEa/1D4jfhvN6xx0FZOq9N5CH60q0+SkdKOwjZGTtXosCYGqOdusiFV 3GWhh6vuJTupjv0d6Zz1OdOG34Fe0m8GzZN8bQE3aOx31bJf7lWAnh83la58YlrxyfT83MCTIND4E 8/2tWBXfxgJy/nfV51pfU+CvuUy2x9eBiNw9UdHG1HVMyqj0vTdHs9g7QOKb+DC4DIlYMljGdHUVT TqkVdeI3FZrtX7RekTF9CmKbRgBu2vxtZgEc7w1ByumVQG4YPdTAg21A+DbttX6X8wFllsF04YF/u BH2oUaOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o43FG-00BXR3-6a; Wed, 22 Jun 2022 16:30:22 +0000 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o43Ap-00BVQ1-2E for linux-mediatek@lists.infradead.org; Wed, 22 Jun 2022 16:25:48 +0000 Received: by mail-pl1-x634.google.com with SMTP id d5so15802526plo.12 for ; Wed, 22 Jun 2022 09:25:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=nhVxaWNtri1CK0PHzSlalIxtbdAU1PUSddkvaK/+5e4=; b=PUGiKBVAkeTgsz2FqLGI7rWQhLimJ38Xj+5Zg180pQyl0ruN+w1AjCcu6fqIZDYjAB xG7oN1xzGX2iFM2bnPKINZLXHu/lSyd7wtYcs6OqMcEsqPQA2ynY1LEED97pYyPuEA5B qtjsWDJ0vo7Vf+PB9f1yhRi+Rw4TyPhDuxJREQV6OxJ3nV4lruvuhc13IAbkfYRrajre naFQHrt0Xgp0jY0cOGp6yjxaC3Dv9YICKdu9t5JldYvxQvfXK3p5P16zqjzR9I19PgF3 /sdblCFTDXUvSKaef4l5DisLWhm6bhKAkqGEKtWAtc5F2Tt7FQx53ATs58M4BElSCBe/ zQ1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=nhVxaWNtri1CK0PHzSlalIxtbdAU1PUSddkvaK/+5e4=; b=UpTe8swblbRiVZIhzfwa8tiTAWYJl60mfph0jAbh0gbwPe3jMNNxKqLgMIUwF5XozZ vyG3T+Th1SjFADAnI0/jhdSFqaM2wdeebSefsL9kOEYQatG8tGWYRm4Ut/gIOgXAzh6R 4WjxBJvCFC/7Ecc8/6ieUmXLBhLHl3zegtP41S+egn3izLqup0UrXsbxRdQOZzTZOWZW 1pyhj/blzIIV96OIICLtn2PPx13XqtPtKH6IYe3paoO5HnA/W2cWJcVB23Nr+I2GMlEl Xv+Kikdio24aI/98flPkgzQVN76mXVh9QVro9sJ56CLOfkvUsEfhN6+lbznSQUwo13tX cE2g== X-Gm-Message-State: AJIora+9B6WKtLiJZJmUaUNVvtxgJobcsZKRjBz6CT6fPUrPLTWh2PsX duhsqh6b7f5Jex9wklTmwdtcnA== X-Google-Smtp-Source: AGRyM1ty3j96F9rBRPvE63v1BVhmw6iHaLjHVSskbjQhiqe7Ui9yA3Lv+QHsTJmdNJXt+uuOX/uoew== X-Received: by 2002:a17:90a:9408:b0:1ec:9453:2ebc with SMTP id r8-20020a17090a940800b001ec94532ebcmr4523830pjo.150.1655915144128; Wed, 22 Jun 2022 09:25:44 -0700 (PDT) Received: from p14s (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id 74-20020a62164d000000b005254535a2cfsm2035941pfw.136.2022.06.22.09.25.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jun 2022 09:25:43 -0700 (PDT) Date: Wed, 22 Jun 2022 10:25:40 -0600 From: Mathieu Poirier To: Christoph Hellwig Cc: Mark-PK Tsai , bjorn.andersson@linaro.org, robin.murphy@arm.com, m.szyprowski@samsung.com, matthias.bgg@gmail.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com Subject: Re: [PATCH 0/2] dma-mapping, remoteproc: Fix dma_mem leak after rproc_shutdown Message-ID: <20220622162540.GA1606016@p14s> References: <20220422062436.14384-1-mark-pk.tsai@mediatek.com> <20220423174650.GA29219@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220423174650.GA29219@lst.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220622_092547_122995_78359259 X-CRM114-Status: GOOD ( 10.60 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Sat, Apr 23, 2022 at 07:46:50PM +0200, Christoph Hellwig wrote: > 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. Should I take this in the remoteproc tree? If so, can I get an RB? Thanks, Mathieu 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B86B9C43334 for ; Wed, 22 Jun 2022 16:30:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qCgrX2FguMnN2YXC3tguuViREIQIeTYQwGhzBFTPs3M=; b=qDy2U9D3kjqkY/ SdwRWE8mu6XlZ90DKGJTI7AOxtSkF0nUyXayBBp0h1z9O9V2FmJAEBDtJyy9YZhpc6PkMzwJU/CeZ OB7SC52ug0K9HFuETRAtbA1+BDFqDz/0xCM51vYMK7m6VSq2CMvVB8vnr+n5kf0Czp8qt8wyyrz7r Cqp9UY+cMnxUixxalEGYU2hITW47Bk8haBqoXXhAiZAfxpKgNm1MmDHULLRiRosAHOtFYZZDKTeBX PbBRGl3XzL2AMZvcza0gdsX6g9SzNinEySFDtpFCGfE30HD05Uh4AfIIPqFH4e4rk3kjjaav/LinK MPgqUlmuwj/P5B94r66A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o43Eh-00BXAs-7S; Wed, 22 Jun 2022 16:29:47 +0000 Received: from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o43An-00BVQ0-S3 for linux-arm-kernel@lists.infradead.org; Wed, 22 Jun 2022 16:25:47 +0000 Received: by mail-pl1-x62d.google.com with SMTP id l6so7655070plg.11 for ; Wed, 22 Jun 2022 09:25:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=nhVxaWNtri1CK0PHzSlalIxtbdAU1PUSddkvaK/+5e4=; b=PUGiKBVAkeTgsz2FqLGI7rWQhLimJ38Xj+5Zg180pQyl0ruN+w1AjCcu6fqIZDYjAB xG7oN1xzGX2iFM2bnPKINZLXHu/lSyd7wtYcs6OqMcEsqPQA2ynY1LEED97pYyPuEA5B qtjsWDJ0vo7Vf+PB9f1yhRi+Rw4TyPhDuxJREQV6OxJ3nV4lruvuhc13IAbkfYRrajre naFQHrt0Xgp0jY0cOGp6yjxaC3Dv9YICKdu9t5JldYvxQvfXK3p5P16zqjzR9I19PgF3 /sdblCFTDXUvSKaef4l5DisLWhm6bhKAkqGEKtWAtc5F2Tt7FQx53ATs58M4BElSCBe/ zQ1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=nhVxaWNtri1CK0PHzSlalIxtbdAU1PUSddkvaK/+5e4=; b=71HYlUVCSUGYwepTql09/cJb04f4wTGCBkaXwfFqAw7iBhNVlnWuWbkO58phJ1OE76 e9o+hfcT6Ppo1yVcYFBxURPWelPjrE7PVMN7KeRHl/YYoud+asobGbqyvp4jiQKBUYzG NaX74QXk/l2+6RdlFbrDiJgNX8PqXbjBJHoAuuWOVws85JcQWF4LOJ8xU9ixQydRNsvF U7EUOqzgeAM1HK9FXkR84Vh6/F/UUtKZqpYXRMIBybM7fMOA9DnZhdZ0ujBwATAdFAev RMLFpaBorSE2Brop9+5vbXcFN3VvYs8eGydZ1kwCzZ4mgAkycTqUxkAdJ7cRNxH8lg9Z qGUg== X-Gm-Message-State: AJIora9T5y0A3ycUzriZFq3+G4k3RZ3ehrdAukgWbFHfEGj0y/kikOFm pH+aAR/FEHpaHuEVUKcri8quYw== X-Google-Smtp-Source: AGRyM1ty3j96F9rBRPvE63v1BVhmw6iHaLjHVSskbjQhiqe7Ui9yA3Lv+QHsTJmdNJXt+uuOX/uoew== X-Received: by 2002:a17:90a:9408:b0:1ec:9453:2ebc with SMTP id r8-20020a17090a940800b001ec94532ebcmr4523830pjo.150.1655915144128; Wed, 22 Jun 2022 09:25:44 -0700 (PDT) Received: from p14s (S0106889e681aac74.cg.shawcable.net. [68.147.0.187]) by smtp.gmail.com with ESMTPSA id 74-20020a62164d000000b005254535a2cfsm2035941pfw.136.2022.06.22.09.25.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jun 2022 09:25:43 -0700 (PDT) Date: Wed, 22 Jun 2022 10:25:40 -0600 From: Mathieu Poirier To: Christoph Hellwig Cc: Mark-PK Tsai , bjorn.andersson@linaro.org, robin.murphy@arm.com, m.szyprowski@samsung.com, matthias.bgg@gmail.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com Subject: Re: [PATCH 0/2] dma-mapping, remoteproc: Fix dma_mem leak after rproc_shutdown Message-ID: <20220622162540.GA1606016@p14s> References: <20220422062436.14384-1-mark-pk.tsai@mediatek.com> <20220423174650.GA29219@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220423174650.GA29219@lst.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220622_092545_955743_5E004AC4 X-CRM114-Status: GOOD ( 11.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Apr 23, 2022 at 07:46:50PM +0200, Christoph Hellwig wrote: > 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. Should I take this in the remoteproc tree? If so, can I get an RB? Thanks, Mathieu _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel