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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA3D2C3DA79 for ; Fri, 23 Dec 2022 14:57:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236365AbiLWO52 (ORCPT ); Fri, 23 Dec 2022 09:57:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229658AbiLWO51 (ORCPT ); Fri, 23 Dec 2022 09:57:27 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CACB61A047; Fri, 23 Dec 2022 06:57:26 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id 6691D68BFE; Fri, 23 Dec 2022 15:57:22 +0100 (CET) Date: Fri, 23 Dec 2022 15:57:22 +0100 From: Christoph Hellwig To: Manivannan Sadhasivam Cc: Christoph Hellwig , Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier , Andrew Morton , Uladzislau Rezki , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev Subject: Re: [PATCH 1/2] Revert "remoteproc: qcom_q6v5_mss: map/unmap metadata region before/after use" Message-ID: <20221223145722.GA29401@lst.de> References: <20221223092703.61927-1-hch@lst.de> <20221223092703.61927-2-hch@lst.de> <20221223144731.GA4587@thinkpad> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221223144731.GA4587@thinkpad> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Fri, Dec 23, 2022 at 08:17:31PM +0530, Manivannan Sadhasivam wrote: > Acked-by: Manivannan Sadhasivam Btw, if the hardware really does not like a kernel mapping, the right way is to just keep using the normal dma allocator, but make sure that there shared-dma-pool with the no-map property for the device.