* Nicholas Piggin: > So I would be disinclined to use SIGSYS unless there are no other better > signal types, and we don't want to use SIGILL for some good reason -- is > there a good reason to add complexity for userspace by differentiating > these two situations?
No, SIGILL seems fine to me. scv 0 and scv 1 could well be considered different instructions eventually (with different mnemonics).