Only in 2.2.20pre7aa1: 00_alpha-epoch-2
Only in 2.2.20pre8aa1: 00_alpha-mips-rtc-1

	Alpha epoch guess updates from Christopher C. Chimelis.

Only in 2.2.20pre8aa1: 00_alpha-fp-disabled-1

	local DoS fix (if fpu disabled via palcode) from Daniel Potts.

Only in 2.2.20pre8aa1: 00_alpha-illop-1

	kill task with illegal opcode from Rick Gorton.

Only in 2.2.20pre8aa1: 00_alpha-smp_tune_scheduling-1

	Christopher C. Chimelis reported some machine has
	trouble with the tune_scheduling function, so updated
	to take care of the cpuid of the boot cpu.

Only in 2.2.20pre8aa1: 00_poll-max_fds-1

	Fix poll semantics in sync with 2.4.8pre.