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* s390/cio: Introduce common I/O layer tracepointsPeter Oberparleiter2015-12-181-0/+24
Add tracepoints to interrupt handler and core inline assemblies used by the s390 common I/O layer. These tracepoints can be used to monitor and validate hardware and hypervisor requests and responses. Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com> Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>