noff 498 kernel/proc.c if(mycpu()->noff != 1) noff 25 kernel/proc.h int noff; // Depth of push_off() nesting. noff 94 kernel/spinlock.c if(mycpu()->noff == 0) noff 96 kernel/spinlock.c mycpu()->noff += 1; noff 105 kernel/spinlock.c if(c->noff < 1) noff 107 kernel/spinlock.c c->noff -= 1; noff 108 kernel/spinlock.c if(c->noff == 0 && c->intena)