On Mon, Feb 17, 2014 at 03:41:22PM -0500, Waiman Long wrote: > +#define _QCODE(lock) (atomic_read(&(lock)->qlcode) >> _QCODE_OFFSET) > +#define _QLOCK(lock) (atomic_read(&(lock)->qlcode) & > _QSPINLOCK_LOCKED)
> +#define GET_QN_IDX(code) (((code) >> _QCODE_VAL_OFFSET) & 3) > +#define GET_CPU_NR(code) (((code) >> (_QCODE_VAL_OFFSET + 2)) - 1) > +#ifndef _SET_QCODE > +#define _SET_QCODE(cpu, idx) ((((cpu) + 1) << (_QCODE_VAL_OFFSET + 2)) |\ > + ((idx) << _QCODE_VAL_OFFSET) |\ Someone please take the CPP away.. dude most this doesn't need to be a macro. Its used only in 1 or two places and its utterly unreadable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
