Re: [PATCH v8 0/6] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing

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On Fri, Mar 10, 2023 at 05:07:45PM +0100, 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. Patches 1-2 may be
> applied independently. 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.

It looks like this still hasn't made it upstream as of 6.4-rc1.  What's
holding this series up?



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