locking            23 kernel/printf.c   int locking;
locking            67 kernel/printf.c   int i, cx, c0, c1, c2, locking;
locking            70 kernel/printf.c   locking = pr.locking;
locking            71 kernel/printf.c   if(locking)
locking           156 kernel/printf.c   if(locking)
locking           165 kernel/printf.c   pr.locking = 0;
locking           177 kernel/printf.c   pr.locking = 1;