> Something like Visual Studio and it's child processes, core Windows processes and the kernel may fully use branch prediction. Even that does not work. If th

> Something like Visual Studio and it's child processes, core Windows processes and the kernel may fully use branch prediction. Even that does not work. If the kernel can do speculative execution and user code can cause the kernel to do work (that's kind of the kernel's job), then user code can cause the kernel to leak secret data. This was one of the first set of attacks.