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Re: [Xen-devel] Bug in xm config parsing code

To: Tim Evers <it@xxxxxxxxxx>, Michal Novotny <minovotn@xxxxxxxxxx>
Subject: Re: [Xen-devel] Bug in xm config parsing code
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Thu, 16 Sep 2010 17:26:31 +0100
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Tim Evers writes ("[Xen-devel] Bug in xm config parsing code"):
> I think I've found a bug in xm/create.py:
> http://lists.xensource.com/archives/html/xen-changelog/2009-11/msg00132.html
> introduces the "maxvcpus" parameter. It states that

Your explanation is plausible.  I have CC'd the author of the patch
you're talking about (changeset dc121a3c3a92).

Michal: would you like to have an opinion ?  I'm inclined to apply
Tim's patch.

> +     # te@xxxxxxxxxxx: need to read vcpu_avail here since it isn't done 
> later.

Tim: FYI, there is no for that kind of comment, as our revision
control system will keep track of these kind of things.  The prose
part of your email will make a good checkin comment and allow future
readers to see exactly what was done why.

Also, you should normally provide a Signed-off-by.  You do it like
this:
   Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
except with your name and email address.  This indicates that you are
certifying the code as suitable (copyright-wise and so on) for
inclusion in Xen.  You can find the precise meaning in the Linux
upstream kernel tree (Documentation/SubmittingPatches, copy below).

However for this trivial one-line change I'd be prepared to apply your
change without it, so there is no need for you to resend or sign off
now.

Thanks,
Ian.

>From Documentation/SubmittingPatches:

       Developer's Certificate of Origin 1.1

       By making a contribution to this project, I certify that:

       (a) The contribution was created in whole or in part by me and I
           have the right to submit it under the open source license
           indicated in the file; or

       (b) The contribution is based upon previous work that, to the best
           of my knowledge, is covered under an appropriate open source
           license and I have the right under that license to submit that
           work with modifications, whether created in whole or in part
           by me, under the same open source license (unless I am
           permitted to submit under a different license), as indicated
           in the file; or

       (c) The contribution was provided directly to me by some other
           person who certified (a), (b) or (c) and I have not modified
           it.

       (d) I understand and agree that this project and the contribution
           are public and that a record of the contribution (including all
           personal information I submit with it, including my sign-off) is
           maintained indefinitely and may be redistributed consistent with
           this project or the open source license(s) involved.

--

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