Re: [PATCH] hw/core/machine-smp: Remove deprecated "parameter=0" SMP configurations

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Hi Prasad,

> On Tue, 5 Mar 2024 at 12:59, Zhao Liu <zhao1.liu@xxxxxxxxxxxxxxx> wrote:
> > After simple test, if user sets maxcpus as 0, the has_maxcpus will be
> > true as well...I think it's related with QAPI code generation logic.
> 
> * Right.
> 
> [Maybe we digressed a bit in the discussion, so I snipped much of the
> details here. Sorry about that.]
> 
> * "if user sets maxcpus as 0, the has_maxcpus will be true as well",
> ie if 'has_*' fields are always set
> 
>     unsigned maxcpus = config->has_maxcpus ? config->maxcpus : 0;
> 
> then checking 'config->has_maxcpus ?' above is probably not required I
> think. It could just be
> 
>    maxcpus = config->maxcpus

Yes.

> If a user does not specify config->maxcpus with -smp option, then it
> could default to zero(0) in 'config' parameter? (same for other config
> fields)
 
Yes. I could post another series for this cleanup soon.

> * If such change requires API changes (I'm not sure how), then
> probably it is outside the scope of this patch.
> 
> ...wdyt?
>

The above change you suggested doesn't require API changes ;-).

Thanks,
Zhao
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