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Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen s
From: |
Daniel P. Berrange |
Subject: |
Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support |
Date: |
Tue, 26 Aug 2008 14:23:09 +0100 |
User-agent: |
Mutt/1.4.1i |
On Tue, Aug 26, 2008 at 03:20:06PM +0200, Gerd Hoffmann wrote:
> Daniel P. Berrange wrote:
> > Probing for whether a domain ID exists in the hypervisor, and if not, then
> > creating it, has a nasty race condition, where XenD could launch QEMU
> > and then (for whatever reason) decide to kill off the domain, but QEMU
> > then re-creates it during its startup procedure.
>
> Oops. Yes, that needs to be addressed.
>
> > If we want QEMU to explicitly created Xen domains from scratch, rather than
> > attaching to an existing one, then there needs to be a way to reliably
> > specify this behaviour via the CLI.
>
> So we are scoring at three options for xen now:
>
> -xen-domid <nr> specify xen domain id.
> -xen-create ask qemu to create the domain.
Actually I'd invert that, eg -xen-attach since common QEMU semantics
are that it is completely in charge of creation. Attaching to an externally
created VM is the xen additional semantics.
Regards,
Daniel
--
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- [Qemu-devel] [PATCH 13/13] xen: pv domain builder., (continued)
- [Qemu-devel] [PATCH 13/13] xen: pv domain builder., Gerd Hoffmann, 2008/08/21
- [Qemu-devel] [PATCH 06/13] xen: backend driver core, Gerd Hoffmann, 2008/08/21
- [Qemu-devel] [PATCH 08/13] xen: add framebuffer backend driver, Gerd Hoffmann, 2008/08/21
- [Qemu-devel] [PATCH 11/13] xen: blk & nic configuration via cmd line., Gerd Hoffmann, 2008/08/21
- [Qemu-devel] [PATCH 09/13] xen: add block device backend driver., Gerd Hoffmann, 2008/08/21
- [Qemu-devel] [PATCH 10/13] xen: add net backend driver., Gerd Hoffmann, 2008/08/21
- Message not available
- Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Ian Jackson, 2008/08/26
- Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Daniel P. Berrange, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support,
Daniel P. Berrange <=
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Ian Jackson, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Daniel P. Berrange, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Daniel P. Berrange, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Daniel P. Berrange, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Ian Jackson, 2008/08/26
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Gerd Hoffmann, 2008/08/27
- Re: [Xen-devel] Re: [Qemu-devel] [PATCH 05/13] xen: groundwork for xen support, Ian Jackson, 2008/08/27