On Sun, Aug 02, 2020 at 09:14:41PM -0700, David Rientjes wrote: > Christoph: since we have atomic DMA coherent pools in 5.8 now, recall our > previous discussions, including Greg KH, regarding backports to stable > trees (we are interested in 5.4 and 5.6) of this support for the purposes > of confidential VM users who wish to run their own SEV-enabled guests in > cloud. > > Would you have any objections to backports being offered for this support > now? We can prepare them immediately. Or, if you would prefer we hold > off for a while, please let me know and we can delay it until you are more > comfortable. (For confidential VM users, the ability to run your own > unmodified stable kernel is a much different security story than a guest > modified by the cloud provider.)
Before we start backporting I think we need the two fixes from the "dma pool fixes" series. Can you start reviewing them? I also think we should probably wait at least until -rc2 for any fallout before starting the backport. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
