Re: [Qemu-devel] [PATCH] vl.c: Support multiple CPU ranges on -numa option

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Eduardo Habkost <ehabkost@xxxxxxxxxx> writes:

> This allows "," to be used a separator between each CPU range.  Note
> that commas inside key=value command-line options have to be escaped
> using ",,", so the command-line will look like:
>
>   -numa node,cpus=A,,B,,C,,D

This is really, really ugly, and an embarrassment to document.  Which
you didn't ;)

What about

    -numa node,cpus=A,cpus=B,cpus=C,cpus=D

Yes, QemuOpts lets you do that.  Getting all the values isn't as easy as
it could be (unless you use Laszlo's opt-visitor), but that could be
improved.

> Note that the following format, currently used by libvirt:
>
>   -numa nodes,cpus=A,B,C,D
>
> will _not_ work yet, as "," is the option separator for the command-line
> option parser, and it will require changing the -numa option parsing
> code to handle "cpus" as a special case.

No way.

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