Re: z/Linux 32-bit modules

2018-05-27 Thread Alan Altmark
And that, Paul, is why it’s not going to fly. All of the 31 bit code would have to be reimplemented. A bunch of other people do all that work and take on all the risk to what end? What is the commercial value? What do they get for their efforts? Alan On May 27, 2018, 3:45:32 PM, mu

Re: z/Linux 32-bit modules

2018-05-27 Thread Timothy Sipples
Hypotheses are interesting, but does anyone have any comparative performance-related data? It's not too hard for me to imagine that the compiler writers and maintainers might actually be able to do a better job with their 64-bit code optimizers if they have less work to do otherwise. Let me also g

Re: z/Linux 32-bit modules

2018-05-27 Thread Joe Monk
"I read the whole thing and it doesn’t discuss ELF32 at all, and it says that pointers are 8 bytes in size." My bad. I linked you to the z/series ABI. You wanted the s/390 ABI, which is known as compat mode on z/series. http://refspecs.linuxfoundation.org/ELF/zSeries/lzsabi0_s390/book1.html "My

Re: z/Linux 32-bit modules

2018-05-27 Thread Paul Edwards
>> Hi Joe. You didn’t show the ELF32 ABI which >> is what is being discussed. > Yes I did. Same document covers 32-bit and 64-bit. No it doesn’t. I read the whole thing and it doesn’t discuss ELF32 at all, and it says that pointers are 8 bytes in size, not sometimes 4, sometimes 8. >> assuming t

Re: EMC VMAX - PowerPath

2018-05-27 Thread Phil Tully
Power path was released for s390x a couple years ago, but since then support was dropped. I would push for them to re-up support. Phil Sent from my iPhone > On May 25, 2018, at 4:42 PM, Livio Sousa wrote: > > Hi guys, > > Any news about PowerPath for Linux on s390x? > I do have some EMC cust