Re: [PATCH v13 00/49] write separate module for hostdev passthrough

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On Wed, Mar 05, 2014 at 02:15:51PM +0800, Chunyan Liu wrote:
> 2014-03-04 0:57 GMT+08:00 Cedric Bosdonnat <cbosdonnat@xxxxxxxx>:
> 
> > Hello ChunYan,
> >
> > I saw a few minor problems in some patches that made me rebase quite a
> > lot of other patches in your serie, but otherwise it really looks good
> > to me.
> >
> > Here is a summary of the changes I made or questions I have:
> >     * Patch 2: Fixed a few remaining changes that broke the build.
> >       Just remember that having the tree building after each commit
> >       helps a lot when one later needs to bisect.
> >     * Patch 4: when is the manager freed?
> >
> It's hard to find a specified code point to free the manager, since we
> don't know is there anyone else still using it.

If we now keep a reference to the manager in the virQEMUDriver struct
and the same for the LXC/libxl drivers, then you could turn the
virHostdevManagerPtr struct into a virObject. Then you can use ref
counting to make it get free'd when the drivers shutdown.

Regards,
Daniel
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