linux-kernel - Re: [PATCH v12 0/6] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing

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Message-ID: <ZRLy_AaJiXxZ2AfK@8bytes.org>
Date:   Tue, 26 Sep 2023 17:04:28 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Niklas Schnelle <schnelle@...ux.ibm.com>,
        Jason Gunthorpe <jgg@...pe.ca>
Cc:     Matthew Rosato <mjrosato@...ux.ibm.com>,
        Will Deacon <will@...nel.org>,
        Wenjia Zhang <wenjia@...ux.ibm.com>,
        Robin Murphy <robin.murphy@....com>,
        Gerd Bayer <gbayer@...ux.ibm.com>,
        Julian Ruess <julianr@...ux.ibm.com>,
        Pierre Morel <pmorel@...ux.ibm.com>,
        Alexandra Winter <wintera@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        Hector Martin <marcan@...can.st>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Yong Wu <yong.wu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Krishna Reddy <vdumpa@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Jonathan Corbet <corbet@....net>, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux.dev, asahi@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH v12 0/6] iommu/dma: s390 DMA API conversion and optimized
 IOTLB flushing

Hi Niklas,

On Fri, Aug 25, 2023 at 12:11:15PM +0200, Niklas Schnelle wrote:
> Niklas Schnelle (6):
>       iommu: Allow .iotlb_sync_map to fail and handle s390's -ENOMEM return
>       s390/pci: prepare is_passed_through() for dma-iommu
>       s390/pci: Use dma-iommu layer
>       iommu/s390: Disable deferred flush for ISM devices
>       iommu/dma: Allow a single FQ in addition to per-CPU FQs
>       iommu/dma: Use a large flush queue and timeout for shadow_on_flush

Turned out this series has non-trivial conflicts with Jasons
default-domain work so I had to remove it from the IOMMU tree for now.
Can you please rebase it to the latest iommu/core branch and re-send? I
will take it into the tree again then.

Thanks,

	Joerg