Jan, Shows you out of date I am on SIE. I still have bad dreams about HCPRUN and how to handle intercepts vs. interrupts and the complications it causes. I did extensive work on something called HCPVINOP. You must like looking at that nasty old source code sometimes.
Have you tried running Hercules ? Paul Hanrahan -----Original Message----- From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Jan Jaeger Sent: Friday, October 10, 2003 1:33 AM To: [EMAIL PROTECTED] Subject: Re: OT: Intel gets virtualization clue? I did not say anything about the removal of SIE, just the SIE assists (which require OCO). SIE itself is documented in SA22-7095 and invoked from HCPRUN, that's not OCO. Jan Jaeger. >From: Alan Altmark <[EMAIL PROTECTED]> >Reply-To: Linux on 390 Port <[EMAIL PROTECTED]> >To: [EMAIL PROTECTED] >Subject: Re: OT: Intel gets virtualization clue? >Date: Thu, 9 Oct 2003 13:25:21 -0400 > >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 _________________________________________________________________ Chatten met je online vrienden via MSN Messenger. http://messenger.msn.nl/
