linux-kernel - Re: [PATCH v2 10/11] iommu/iova: Move flush queue code to iommu-dma

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Message-ID: <02cf45fc-49e8-e471-8d57-5917b03ddc6e@huawei.com>
Date:   Tue, 14 Dec 2021 16:40:52 +0000
From:   John Garry <john.garry@...wei.com>
To:     Robin Murphy <robin.murphy@....com>, <joro@...tes.org>,
        <will@...nel.org>
CC:     <iommu@...ts.linux-foundation.org>,
        <suravee.suthikulpanit@....com>, <baolu.lu@...ux.intel.com>,
        <willy@...radead.org>, <linux-kernel@...r.kernel.org>,
        <linux-mm@...ck.org>
Subject: Re: [PATCH v2 10/11] iommu/iova: Move flush queue code to iommu-dma

On 10/12/2021 17:54, Robin Murphy wrote:
> Flush queues are specific to DMA ops, which are now handled exclusively
> by iommu-dma. As such, now that the historical artefacts from being
> shared directly with drivers have been cleaned up, move the flush queue
> code into iommu-dma itself to get it out of the way of other IOVA users.
> 
> This is pure code movement with no functional change; refactoring to
> clean up the headers and definitions will follow.
> 
> Signed-off-by: Robin Murphy<robin.murphy@....com>

Again FWIW:

Reviewed-by: John Garry <john.garry@...wei.com>