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Re: [Qemu-devel] [RFC PATCH 0/9] Configurable PCI device addresses
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [RFC PATCH 0/9] Configurable PCI device addresses |
Date: |
Fri, 23 Jan 2009 10:04:12 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) |
Anthony Liguori <address@hidden> writes:
> Markus Armbruster wrote:
>> This patch series makes PCI device addresses configurable for a number
>> of devices. For now, I just covered the ones I consider important
>> and/or where the change is somewhat invasive.
>>
>> Why is a configurable PCI device address useful? Currently, QEMU
>> assigns a few device addresses statically, and the rest dynamically on
>> a first come, first serve basis[*]. If you add or remove a device,
>> all devices registering later change address. I'm told a certain
>> operating system that can't be named in polite company can get rather
>> upset about that.
>>
>> Making the device address configurable looks like the simplest
>> solution to this problem. Only users who really mind changing
>> addresses have to deal with the new configuration parameter.
>>
>
> I think we're starting to get to the tipping point where we really
> just need to introduce a machine config file.
Makes sense to me. But considering the idea has been mulled around
for so long (half a year?) without obvious progress (obvious to
ignorant me!), I chose to scratch my itch right away. Any chance I
can get it scratched now, or do I have to wait for the machine
description file feature?
> Paul, you mentioned you were working on something before? Care to
> update us on the status?
Yes, please!
> I know there was a fair bit of support before for a FDT based machine
> config.
>
> Regards,
>
> Anthony Liguori
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, (continued)
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, malc, 2009/01/22
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, Markus Armbruster, 2009/01/23
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, Kevin Wolf, 2009/01/23
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, Markus Armbruster, 2009/01/23
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, Kevin Wolf, 2009/01/23
- Re: [Qemu-devel] [PATCH 8/9] New option -audio as a more flexible alternative to -soundhw, Markus Armbruster, 2009/01/23
[Qemu-devel] [PATCH 1/9] PCI device registration helpers, Markus Armbruster, 2009/01/22
[Qemu-devel] [PATCH 7/9] Support pci=... in option argument of -drive if=virtio, Markus Armbruster, 2009/01/22
[Qemu-devel] [PATCH 6/9] Make drives_opt[] accessible from device initialization, Markus Armbruster, 2009/01/22
Re: [Qemu-devel] [RFC PATCH 0/9] Configurable PCI device addresses, Anthony Liguori, 2009/01/22