Re: z890 LPAR only ?

2006-07-28 Thread Brian Nielsen
On Thu, 6 May 2004 10:19:11 -0400, Alan Altmark [EMAIL PROTECTED] wrote: I need to point out that h/w assist for SIE is *never* lost, no matter h ow many levels deep you are. VSIE is one of the most fascinating parts of CP. When an n-th level guest issues a SIE instruction, there is no

Re: z890 LPAR only ?

2006-07-28 Thread Alan Altmark
On Friday, 07/28/2006 at 01:32 EST, Brian Nielsen [EMAIL PROTECTED] wrote: 1) SIE breaks are going to happen for dedicated devices because of the loss of I/O assist (requiring the higher level CP to convert the virtual addresses to real addresses). A SIE break will occur for all Start