EDF threads need fixed assignments...

arch/sparc/include/asm/spinlock.h

arch/sparc/kernel/setup.c

arch/sparc/kernel/thread.c

include/kernel/sched.h

init/Kconfig

init/main.c

kernel/kthread.c

kernel/sched/core.c

kernel/sched/edf.c

kernel/sched/rr.c