linux-kernel - RE: [PATCH v3 01/25] iommu: Pull IOVA cookie management into the core

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Date:   Thu, 5 Aug 2021 09:15:15 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Robin Murphy <robin.murphy@....com>,
        "joro@...tes.org" <joro@...tes.org>,
        "will@...nel.org" <will@...nel.org>
CC:     "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
        "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>,
        "john.garry@...wei.com" <john.garry@...wei.com>,
        "dianders@...omium.org" <dianders@...omium.org>,
        "rajatja@...gle.com" <rajatja@...gle.com>,
        "chenxiang66@...ilicon.com" <chenxiang66@...ilicon.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Yong Wu <yong.wu@...iatek.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        Maxime Ripard <mripard@...nel.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: RE: [PATCH v3 01/25] iommu: Pull IOVA cookie management into the core

Hi Robin,

> From: Robin Murphy, Sent: Thursday, August 5, 2021 2:15 AM
> 
> Now that everyone has converged on iommu-dma for IOMMU_DOMAIN_DMA
> support, we can abandon the notion of drivers being responsible for the
> cookie type, and consolidate all the management into the core code.
> 
> CC: Marek Szyprowski <m.szyprowski@...sung.com>
> CC: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
> CC: Geert Uytterhoeven <geert+renesas@...der.be>
> CC: Yong Wu <yong.wu@...iatek.com>
> CC: Heiko Stuebner <heiko@...ech.de>
> CC: Chunyan Zhang <chunyan.zhang@...soc.com>
> CC: Maxime Ripard <mripard@...nel.org>
> Reviewed-by: Jean-Philippe Brucker <jean-philippe@...aro.org>
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Signed-off-by: Robin Murphy <robin.murphy@....com>

Thank you for the patch!
I tested on my environment (r8a77951-salvator-xs),
and I didn't observe any regression. So,

Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

Best regards,
Yoshihiro Shimoda