Re: [Qemu-devel] [PATCH v2 4/6] Use libuuid if available.

[Andreas Färber]

Am 25.08.2008 um 13:26 schrieb Gleb Natapov:

> On Mon, Aug 25, 2008 at 01:08:50PM +0200, Andreas Färber wrote:
> > Am 25.08.2008 um 11:58 schrieb Gleb Natapov:
> >
> > > If libuuid is available use it for UUID generation in case a user  
> > > does
> > > not
> > > provide one.
> > >
> > > Signed-off-by: Gleb Natapov <address@hidden>
> > > ---
> >
> > I don't remember hearing an answer on why this is necessary. For  
> > which
> > use case can't you just either use -uuid `uuidgen` or a hardcoded
> > default value like the Slirp IPv4 subnet?
> It can be used for UUID generation when VM is started for the first  
> time.
> Management application can retrieve UUID using monitor and use it for
> consequent runs. But the same result can be achieved in a different  
> way
> too. So no, I really don't have a strong use case for this feature,  
> but
> the patch set is organised in such way that it is possible to ignore
> this particular patch.

Okay, then I'd ask to invert the logic so that the user has to  
explicitly ask for it, maybe -uuid random (setting generate_uuid = 0  
by default and =1 in that case). Then no accidental damage should be  
done and a Management Application can still use it.

Andreas