On Thursday, 10/09/2003 at 04:53 GMT, Jan Jaeger <[EMAIL PROTECTED]>
wrote:
> Rick, see this from the positive side, once SIE assist code etc has been
> removed, there will no longer be an argument for OCO ;-)

No one said anything about the removal of SIE; there continues to be
support for two levels of SIE in the hardware.  The I/O assists were the
main attraction of V=F (IMO).  Looking down the road, the DMA aspects of
QDIO (for SCSI and network devices) reduce the benefit of I/O assists
anyway.

Alan Altmark
Sr. Software Engineer
IBM z/VM Development

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