This is already possible, but it never was a problem. The GPU is just a slave to the CPU. The biggest problem I could see would be when your computer becomes p

This is already possible, but it never was a problem. The GPU is just a slave to the CPU. The biggest problem I could see would be when your computer becomes part of a botnet. Your computer could be used for brute fore encryption cracking. Again, this was also possible with just CUDA or OpenCL.