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Re: [Qemu-devel] [PATCH v2 4/6] Use libuuid if available.
From: |
Jamie Lokier |
Subject: |
Re: [Qemu-devel] [PATCH v2 4/6] Use libuuid if available. |
Date: |
Mon, 25 Aug 2008 12:35:22 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Gleb Natapov wrote:
> > 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.
Yeah, but Management Application is often not used.
QEMU's philosophy seems to be that it should be quite usable from the
command line, and leaving _off_ options should give sane defaults.
My immediate thought is that UUID would make sense at disk image
generation time - i.e. stored in qcow2 when qemu-img runs - until such
time as QEMU has a useful config/state file format. Then it should go
in that file, just like all other VM systems.
-- Jamie
- Re: [Qemu-devel] [PATCH v2 1/6] Use IO port for qemu<->guest BIOS communication., (continued)
[Qemu-devel] [PATCH v2 2/6] Add -uuid command line option., Gleb Natapov, 2008/08/25
[Qemu-devel] [PATCH v2 3/6] Add "info uuid" command to monitor., Gleb Natapov, 2008/08/25
[Qemu-devel] [PATCH v2 5/6] Add UUID to BIOS configuration info., Gleb Natapov, 2008/08/25
[Qemu-devel] [PATCH v2 4/6] Use libuuid if available., Gleb Natapov, 2008/08/25
[Qemu-devel] [PATCH v2 6/6] Pass cpu speed into SM BIOS., Gleb Natapov, 2008/08/25
- Re: [Qemu-devel] [PATCH v2 6/6] Pass cpu speed into SM BIOS., Anthony Liguori, 2008/08/25
- Re: [Qemu-devel] [PATCH v2 6/6] Pass cpu speed into SM BIOS., Gleb Natapov, 2008/08/25
- [Qemu-devel] Re: [PATCH v2 6/6] Pass cpu speed into SM BIOS., Sebastian Herbszt, 2008/08/25
- Re: [Qemu-devel] Re: [PATCH v2 6/6] Pass cpu speed into SM BIOS., Gleb Natapov, 2008/08/26
- [Qemu-devel] Re: Re: [PATCH v2 6/6] Pass cpu speed into SM BIOS., Sebastian Herbszt, 2008/08/27
- Re: [Qemu-devel] Re: Re: [PATCH v2 6/6] Pass cpu speed into SM BIOS., Gleb Natapov, 2008/08/28