Re: [Qemu-devel] [Qemu-ppc] [PATCH RFC 06/16] vl: move smp parsing to machine pre_init

[Programmingkid]

On Jun 14, 2016, at 5:13 PM, BALATON Zoltan wrote:

> On Tue, 14 Jun 2016, Programmingkid wrote:
>> On Jun 14, 2016, at 7:39 AM, address@hidden wrote:
>>> smp_cores is only used by pseries and x86 machines.  I expect machines
>>> that must be single-socket to disregard smp_sockets altogether.
>> 
>> Could smp support be added to the beigeg3 and mac99 targets?
> 
> I think the machines these are emulating had no SMP so it would not make much 
> sense. Maybe you'd need to create a new target emulating a Mac model with 
> multiple CPUs instead or update mac99 to a newer model that had SMP?

http://www.macworld.com/article/1002601/multiprocessor.html
You will find this article enlightening.

> But what would this bring besides more complexity and more possible bugs?

- An emulator that can take better advantage of the host system's 
multiprocessor offering.
- An emulator that can run more programs and still feel responsive.
- A simulator for testing how a program behaves in a single and multiprocessor 
environment.