On Thu, May 11, 2023 at 12:08:46AM -0400, Yang Weijiang wrote: >Add handling for Control Protection (#CP) exceptions(vector 21). >The new vector is introduced for Intel's Control-Flow Enforcement >Technology (CET) relevant violation cases. > >Although #CP belongs contributory exception class, but the actual >effect is conditional on CET being exposed to guest. If CET is not >available to guest, #CP falls back to non-contributory and doesn't >have an error code. This sounds weird. is this the hardware behavior? If yes, could you point us to where this behavior is documented?
