tif_diff 425 arch/x86/kernel/process.c unsigned long tif_diff = tifp ^ tifn; tif_diff 433 arch/x86/kernel/process.c if (tif_diff & _TIF_SSBD) tif_diff 436 arch/x86/kernel/process.c if (tif_diff & _TIF_SSBD) tif_diff 440 arch/x86/kernel/process.c updmsr |= !!(tif_diff & _TIF_SSBD); tif_diff 447 arch/x86/kernel/process.c updmsr |= !!(tif_diff & _TIF_SPEC_IB);