On Thu, Aug 24, 2017 at 12:54:48PM +1000, Paul Mackerras wrote: > > We could either have two u16 fields for the number of keys for data > and instruction, or we could have a u32 field for the number of keys > and a separate bit in the flags field to indicate that instruction > keys are supported. Which would be preferable?
the second choice is more confusion-proof; to me atleast. The first choice gives a illusion that there are 'x' number of data keys and 'y' number of instruction keys; which is not exactly true. RP