TIF_DS_AREA_MSR 256 arch/x86/kernel/ds.c set_tsk_thread_flag(task, TIF_DS_AREA_MSR); TIF_DS_AREA_MSR 286 arch/x86/kernel/ds.c clear_tsk_thread_flag(context->task, TIF_DS_AREA_MSR); TIF_DS_AREA_MSR 115 include/asm-x86/thread_info.h #define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR)