[pve-devel] cpu type ppc/s390

Tomas Dalebjörk tomas.dalebjork at gmail.com
Mon Oct 7 19:20:19 CEST 2019


thanks for feedback 

you know that power is an open architecture that are growing on the market as it performs better than x

Skickat från min iPhone

> 7 okt. 2019 kl. 17:17 skrev Thomas Lamprecht <t.lamprecht at proxmox.com>:
> 
> On 10/7/19 4:54 PM, Tomas Dalebjörk wrote:
>> ok
>> 
>> that is sad
>> as qemu support other architectures
>> so it cant be that difficult 
>> 
> 
> Yes, qemu itself supports them, that's not the issue.
> But one needs to do the whole management around the CPU and it's platforms
> hardware, that's what Proxmox VE is actually there.
> And that can be huge work depending on platform differences, testing, adapations
> to future changes specific to that platform and all the other little things add
> up quick.
> 
> The current implementation[0][1][2][3] can handle amd64 (duh) and somewhat
> experimental arm64, while that part is rather limited and assumes mostly amd64
> like HW for the rest of the system. If you check out the implementation
> you'll see that it's not all that easy, I mean maybe to bring some proof of
> concept up, yeah, but to actually have it fully integrated, tested with
> different possible OS and so on it becomes a non-trivial amount of work.
> 
> Is it dooable, yeah, sure. But we have no need for it, and so do well over
> 90% of our users (ballmarked). So why invest the time there instead of doing
> other feature/bug fixes which help much more users?
> 
> Note that you can always do yourself an implementation, we're opensource and
> contribute after all. Maybe it's much easier to do than I currently belief (have
> not looked deeply in PPC, but having the arm64 part in mind I'd guess that I'm
> not completely off) and if it's somewhat nicely integrated into the current
> stack, not affecting the current amd64 parts in any negative way, we can take it
> in as experimental in the project too.
> 
> cheers,
> Thomas
> 
> [0]: https://git.proxmox.com/?p=qemu-server.git;a=blob;f=PVE/QemuServer.pm;h=83762607dcde15acca06bbe877157cbbcf993f1f;hb=HEAD
> [1]: https://git.proxmox.com/?p=qemu-server.git;a=blob;f=PVE/QemuServer/Memory.pm;h=b579955037f198eb0163eae7a3d97e81a5cc4e52;hb=HEAD
> [2]: https://git.proxmox.com/?p=qemu-server.git;a=blob;f=PVE/QemuServer/PCI.pm;h=e0bc1a24f104aa3beef08aa909cf4ca7c08a8aa2;hb=HEAD
> [3]: https://git.proxmox.com/?p=qemu-server.git;a=blob;f=PVE/QemuServer/USB.pm;h=d328148539fc9245a2ac58fb442e5e307578b7bd;hb=HEAD
> 
>> Skickat från min iPhone
>> 
>>>> 7 okt. 2019 kl. 12:32 skrev Dietmar Maurer <dietmar at proxmox.com>:
>>> 
>>> 
>>>> 
>>>> I would like ask if it is possible to add other CPU types to the proxmox admin interface 
>>>> Such as PowerPC (ppc64le/be) and s390x
>>> 
>>> There are no plans to add ppc or s390.
>>> 
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>> 
> 
> 
> 



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