DBCR1_IAC2US      654 arch/powerpc/kernel/process.c 	thread->debug.dbcr1 = DBCR1_IAC1US | DBCR1_IAC2US |
DBCR1_IAC2US     2053 arch/powerpc/kvm/booke.c 	dbg_reg->dbcr1 = DBCR1_IAC1US | DBCR1_IAC2US | DBCR1_IAC3US |