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Message-ID: <20221223145722.GA29401@lst.de>
Date: Fri, 23 Dec 2022 15:57:22 +0100
From: Christoph Hellwig <hch@....de>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Christoph Hellwig <hch@....de>, Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Uladzislau Rezki <urezki@...il.com>,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
iommu@...ts.linux.dev
Subject: Re: [PATCH 1/2] Revert "remoteproc: qcom_q6v5_mss: map/unmap
metadata region before/after use"
On Fri, Dec 23, 2022 at 08:17:31PM +0530, Manivannan Sadhasivam wrote:
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
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.
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