Messages in this thread | | | Date | Wed, 8 Jul 2020 14:26:01 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 1/2] iommu/intel: Avoid SAC address trick for PCIe devices |
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Looks pretty sensible.
> - if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) { > + if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32) && > + dev_is_pci(dev) && !pci_is_pcie(to_pci_dev(dev))) {
The only thing I wonder is if it is worth to add a little helper for this check, but with everything moving to dma-iommu that might not be needed.
Btw, does anyone know what the status of the intel-iommu conversion to dma-iommu is?
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