Re: [Xen-devel] [PATCH v2 5/5] libxl: spawns two QEMUs for HVM guests

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 8 Jun 2015, Ian Jackson wrote:
> Stefano Stabellini writes ("Re: [PATCH v2 5/5] libxl: spawns two QEMUs for 
> HVM guests"):
> > On Sun, 7 Jun 2015, Wei Liu wrote:
> > > Also it looks very similar to the function with the same name in
> > > libxl.c. I'm not sure why that doesn't propagate rc either...
> 
> I think that's a bug.
> 
> > Right, I based this code on that.
> 
> qdisk_spawn_outcome in libxl.c is part of the driver domain backend
> service, which is in a special situation.  I still think something
> ought to be done with the error, there, but it would have to be
> communicated to the toolstack somehow (via xenstore, probably) and I'm
> not sure the existing protocol between toolstack and driver domain
> permits that.
 
Do you have any suggestions on how I could fix this function for the
purpose of this series? I would be quite happy to leave fixing
qdisk_spawn_outcome in libxl.c to you :-)

TBH as I wrote earlier, the failure of starting pv QEMU is not fatal
from the guest POV, so we could also leave it as is.

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