Re: kvm repository unification

[Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>]

On Tuesday 20 March 2007, Avi Kivity wrote:
> > I find using a patch queue useful though for submitting things 
> > upstream.  A good example is our QEMU changes.  It's a real pain to 
> > break apart the SVN history into individual patches.
> 
> Why not just extract diffs with 'svn diff'?  That's what I did/do.

Just a few random thoughts on this:

- if you have multiple changesets in svn that you want to submit as
a single patch, it's useful to only have to do the folding once.

- Having the changeset as a patch means that multiple developers
can add their Acked-by: and Signed-off-by: by editing the description
in the patch file, while you can't easily change an existing changeset
comment. E.g. I require everyone with write access to add their own
Signed-off-by:, while I add mine when I look at the patches I want
to send out.

- When a developer checks in a new changeset, I found that often there
are formal problems in it, e.g. the comment doesn't follow the rules
for kernel commits, or there is some coding style problem. In a
patch file, you can trivially fix that.

	Arnd <><

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