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by q3k 3010 days ago
Theoretically possible via SGX.
2 comments

Which can be defeated with SgxSpectre: https://arxiv.org/abs/1802.09085
Oh goodie, I wonder if Netflix is going to disable 4K support on PC as a result of this (the requirement for Skylake was due to SGX).
Worthless if the GPU doesn't have something similar. Otherwise you can monitor the pci-e lanes for all the data the cpu is sending over to the gpu.