Re: [Xen-devel] [PATCH v2] ns16550: Add command line parsing adjustments

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Jan Beulich writes ("Re: [PATCH v2] ns16550: Add command line parsing 
adjustments"):
> Right, I had been thinking of this too, but then wasn't sure to
> suggest such a mixture. Perhaps the first two options could
> even remain completely nameless then (I think those are the
> ones which had been there from the beginning)?

We have to support comma-separated lists for backward compatibility,
anyway.  It's probably easier to support
  ( existing positional parameter ',' )*  ( name '=' value ',' )*
than to split the whole thing into two parsers.

So I just suggested to Swapnil on irc that they should implement their
additional two parameters as named parameters which could be suffixed
onto the existing comma-separated string.  I don't want to ask them to
implement a complete conversion, but once the framework is there we
can easily support (for example) irq setting both positionally and by
name.

Ian.

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