[libvirt] [Qemu-devel] [PATCH v2] vl.c: Support multiple CPU ranges on -numa option

[Eduardo Habkost]

On Tue, Feb 26, 2013 at 11:50:08AM +0100, Markus Armbruster wrote:
> Eduardo Habkost <ehabkost at redhat.com> writes:
> 
> > This allows ":" to be used a separator between each CPU range, so the
> > command-line may look like:
> >
> >   -numa node,cpus=A-B:C-D
> >
> > Note that the following format, currently used by libvirt:
> >
> >   -numa nodes,cpus=A-B,C-D
> >
> > will _not_ work, as "," is the option separator for the command-line
> > option parser, and it would require changing the -numa option parsing
> > code to handle "cpus" as a special case.
> >
> > Signed-off-by: Eduardo Habkost <ehabkost at redhat.com>
> > ---
> > Changes v2:
> >  - Use ":" as separator
> >  - Document the new format
> 
> See also discussion on multi-valued keys in command line option
> arguments and config files in v1 thread.  Hopefully we can reach a
> conclusion soon, and then we'll see whether this patch is what we want.

Yeah, let's drop this patch by now. I am starting to be convinced that
"cpus=A,cpus=B,cpus=C" is the best approach. It is not pretty, but at
least it uses generic parser code instead of yet another ad-hoc parser.

-- 
Eduardo