Re: [Qemu-devel] [PATCH v5 1/5] arm: qmp: add GICCapability struct

[Peter Xu <peterx@redhat.com>]

On Wed, Mar 23, 2016 at 10:44:04AM +0100, Markus Armbruster wrote:
> Depends.
> 
> The general rule is to keep separate things separate, and patches
> self-contained.  The narrow sense of self-contained is each patch
> compiles and works.  The wider sense is each patch makes sense to its
> readers on its own.  You can't always have a perfect score on the
> latter, but you should try.
> 
> Adding a definition without a user is generally not advised, because you
> generally need to see the user to make sense of it.
> 
> For a complex feature, adding its abstract interface before its concrete
> implementation may help liberate interface review from implementation
> details.
> 
> Note that your interface consists of type GICCapability and command
> query-gic-capabilities.  You could add just the interface with a stub
> implementation first, then flesh out the implementation.  But I doubt
> the thing is complex enough to justify that.

Thanks for the thorough explaination on this.

It's indeed not easy to figure out the best way every time for
me... Now I do feel it strange to split the first patch alone from
the 2nd one. Anyway, it's squashed into the 2nd patch in v6.

-- peterx