SVM_SELECTOR_S_MASK
#define __ATTR_BASE (SVM_SELECTOR_P_MASK | SVM_SELECTOR_S_MASK)
SVM_SELECTOR_S_MASK | SVM_SELECTOR_CODE_MASK;
seg->attrib = SVM_SELECTOR_P_MASK | SVM_SELECTOR_S_MASK |
u32 data_seg_attr = 3 | SVM_SELECTOR_S_MASK | SVM_SELECTOR_P_MASK
u32 code_seg_attr = 9 | SVM_SELECTOR_S_MASK | SVM_SELECTOR_P_MASK