_TIF_WORK_CTXSW   154 arch/x86/include/asm/thread_info.h # define _TIF_WORK_CTXSW	(_TIF_WORK_CTXSW_BASE | _TIF_SPEC_IB)
_TIF_WORK_CTXSW   156 arch/x86/include/asm/thread_info.h # define _TIF_WORK_CTXSW	(_TIF_WORK_CTXSW_BASE)