Re: [Qemu-devel] [PATCH V5 01/12] NUMA: add NumaOptions, NumaNodeOptions and NumaMemOptions

[Paolo Bonzini <pbonzini@redhat.com>]

Il 17/07/2013 15:57, Laszlo Ersek ha scritto:
>> > Not only that, but is this even the right representation?  The fact that
>> > you are requiring the receiver to further parse this string means you
>> > probably represented it at the wrong level in JSON.  That is, a JSON
>> > string "1,2,4" requires post-processing to turn it into 3 processor ids,
>> > while a JSON array [1, 2, 4] does not, so you should probably consider
>> > '*cpus':['int'] as your preferred datatype.
> opts-visitor can handle lists of simple scalar types. Ie. it can do
> -numa node,nodeid=3,cpus=3-4,cpus=9-10. It can't save the parsing of
> intervals (eg. 3-4).

Saving the parsing of intervals is not necessary for this use case.  So
if we can make it '*cpus':['int'], we should.

But is it the opts-visitor "can handle" lists of integers, or does code
have to be written?  If the latter, can you whip up a prototype?

Paolo

> This is of course not to say that the interface should be limited by
> what opts-visitor can do; just that opts-visitor may not be appropriate
> for (or solve completely the needs of) very intricate options.