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

From: Jason Gunthorpe <jgg@ziepe.ca>
To: Joerg Roedel <joro@8bytes.org>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>,
	Matthew Rosato <mjrosato@linux.ibm.com>,
	Will Deacon <will@kernel.org>,
	Wenjia Zhang <wenjia@linux.ibm.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Gerd Bayer <gbayer@linux.ibm.com>,
	Julian Ruess <julianr@linux.ibm.com>,
	Pierre Morel <pmorel@linux.ibm.com>,
	Alexandra Winter <wintera@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
	Hector Martin <marcan@marcan.st>, Sven Peter <sven@svenpeter.dev>,
	Alyssa Rosenzweig <alyssa@rosenzweig.io>,
	David Woodhouse <dwmw2@infradead.org>,
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	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
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	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
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	Thierry Reding <thierry.reding@gmail.com>,
	Krishna Reddy <vdumpa@nvidia.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-s390@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, iommu@lists.linux.dev,
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Subject: Re: [PATCH v12 0/6] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing
Date: Tue, 26 Sep 2023 13:08:32 -0300	[thread overview]
Message-ID: <20230926160832.GM13795@ziepe.ca> (raw)
In-Reply-To: <ZRLy_AaJiXxZ2AfK@8bytes.org>

On Tue, Sep 26, 2023 at 05:04:28PM +0200, Joerg Roedel wrote:
> 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.

Niklas, I think you just 'take yours' to resolve this. All the
IOMMU_DOMAIN_PLATFORM related and .default_domain = parts should be
removed. Let me know if you need anything

Thanks,
Jason

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