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

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On 8/25/23 6:11 AM, Niklas Schnelle wrote:
> Hi All,
> This patch series converts s390's PCI support from its platform specific DMA
> API implementation in arch/s390/pci/pci_dma.c to the common DMA IOMMU layer.
> The conversion itself is done in patches 3-4 with patch 2 providing the final
> necessary IOMMU driver improvement to handle s390's special IOTLB flush
> out-of-resource indication in virtualized environments. The conversion
> itself only touches the s390 IOMMU driver and s390 arch code moving over
> remaining functions from the s390 DMA API implementation. No changes to
> common code are necessary.

I also picked up this latest version and ran various tests with ISM, mlx5 and some NVMe drives.  FWIW, I have been including versions of this series in my s390 dev environments for a number of months now and have also been building my s390 pci iommufd nested translation series on top of this, so it's seen quite a bit of testing from me at least.

So as far as I'm concerned anyway, this series is ready for -next (after the merge window). 


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