PMU_F_RESERVED
if (cpuhw->flags & PMU_F_RESERVED)
if (!(cpuhw->flags & PMU_F_RESERVED))
cpuhw->flags |= PMU_F_RESERVED;
cpuhw->flags &= ~PMU_F_RESERVED;
if (cpuhw->flags != (PMU_F_IN_USE | PMU_F_RESERVED))