DBCR2_DAC2US      660 arch/powerpc/kernel/process.c 	thread->debug.dbcr2 = DBCR2_DAC1US | DBCR2_DAC2US;
DBCR2_DAC2US     2055 arch/powerpc/kvm/booke.c 	dbg_reg->dbcr2 = DBCR2_DAC1US | DBCR2_DAC2US;