gdt_data16_desc 238 tools/testing/selftests/x86/sigreturn.c struct user_desc gdt_data16_desc = { gdt_data16_desc 250 tools/testing/selftests/x86/sigreturn.c if (syscall(SYS_set_thread_area, &gdt_data16_desc) == 0) { gdt_data16_desc 257 tools/testing/selftests/x86/sigreturn.c gdt_data16_desc.entry_number); gdt_data16_desc 258 tools/testing/selftests/x86/sigreturn.c gdt_data16_idx = gdt_data16_desc.entry_number;