SPRN_IAC4 679 arch/powerpc/kernel/process.c mtspr(SPRN_IAC4, debug->iac4); SPRN_IAC4 1940 arch/powerpc/kernel/traps.c do_send_trap(regs, mfspr(SPRN_IAC4), debug_status, SPRN_IAC4 178 arch/powerpc/kvm/booke_emulate.c case SPRN_IAC4: SPRN_IAC4 418 arch/powerpc/kvm/booke_emulate.c case SPRN_IAC4: