4 ms·
> since DMA requires cooperation from the host CPU Not really. I mean, yes, in the sense that the IOMMU has to be configured to allow it, but after that, it's
by Unklejoe 6y ago
> since DMA requires cooperation from the host CPU
Not really. I mean, yes, in the sense that the IOMMU has to be configured to allow it, but after that, it's fair game. Any PCI device can read within the inbound translation window.