xsave_area_offset
return (xsave_area_offset(xstate_bv, (uint64_t)1 << last_idx, compact, supervisor) +
pt_info.pt_xsave_offset = xsave_area_offset(PT_XSTATE_BV,
size_t xsave_area_offset(uint64_t xstate_bv, uint64_t feature, bool compact,