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Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER
From: |
Mark McLoughlin |
Subject: |
Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER |
Date: |
Fri, 29 May 2009 11:09:31 +0100 |
On Fri, 2009-05-29 at 10:43 +0100, Mark McLoughlin wrote:
> The more I think about it, no matter how much linear ABI versioning
> sucks, it's possibly the only way to solve this in a reasonably usable
> manners. Distros would just have to suck it up and agree that if they
> cherry-pick an ABI changing patch, they must update the entire ABI to
> the newer upstream ABI version.
Okay, how about this:
- Add a saveabi monitor command
- Whenever libvirt starts a guest or hotplugs a device, it executes
saveabi and retains the output
- The abi can be restored with qemu -loadabi or the loadabi monitor
command
- The abi file doesn't describe the device model, it merely gives
hints for building the device model which is described on the
command line
- If the abi file contains details of a device which is not listed on
the command line, it's just ignored and not included in the next
saveabi
- If the abi file is missing details of a device which is listed on
the command line, the device is constructed using the defaults and
included in the next saveabi
- This means the abi file is opaque to the management tools - unlike
the machine config file, libvirt would not need to modify it when
devices are added or removed by the user
Cheers,
Mark.
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, (continued)
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Paul Brook, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Paul Brook, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Dor Laor, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Mark McLoughlin, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Avi Kivity, 2009/05/31
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER,
Mark McLoughlin <=
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Dor Laor, 2009/05/31
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Dor Laor, 2009/05/31
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Daniel P. Berrange, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Jamie Lokier, 2009/05/31
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Paul Brook, 2009/05/28