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Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel
From: |
Michael S. Tsirkin |
Subject: |
Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?) |
Date: |
Tue, 15 Dec 2009 23:59:42 +0200 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Tue, Dec 15, 2009 at 03:57:30PM -0600, Anthony Liguori wrote:
> Michael S. Tsirkin wrote:
>>> Heh, this is going to be really broken with my patches :-)
>>>
>>> We're during qemu_ram_alloc() and we currently don't have a means to
>>> associate ram with anything meaningful. This means that if you hot
>>> plug on two ends in different orders (even with fixed slots), the
>>> returned qemu_ram_alloc() pointers will be different for the same
>>> device. This means when you did the live migration of the rom
>>> contents, you'd get the wrong roms in the wrong places.
>>>
>>> I think we need to improve how we do qemu_ram_alloc() such that we
>>> can associate some meaningful context with each allocated chunk that
>>> we can migrate with the chunk of ram.
>>>
>>> Regards,
>>>
>>> Anthony Liguori
>>>
>>
>> Hmm. You think all this is 0.12 material?
>>
> I think it's stable-0.12 material because it's badly broken right now
I thought the rule was no guest visible changes in stable series?
> but it's clearly not a candidate for 0.12.0 as it still doesn't work
> reliably.
>
> I'm going to pull in Gerd's fix for 0.12.0.
>
> Regards,
>
> Anthony Liguori
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), (continued)
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Kevin O'Connor, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Gerd Hoffmann, 2009/12/16
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Michael S. Tsirkin, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Michael S. Tsirkin, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?),
Michael S. Tsirkin <=
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Sebastian Herbszt, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Gerd Hoffmann, 2009/12/16
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Sebastian Herbszt, 2009/12/17
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Michael S. Tsirkin, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?), Anthony Liguori, 2009/12/15
- Re: [Qemu-devel] Re: qdev property bug?, Anthony Liguori, 2009/12/14
- Re: [Qemu-devel] Re: qdev property bug?, Michael S. Tsirkin, 2009/12/14
- Re: [Qemu-devel] Re: qdev property bug?, Anthony Liguori, 2009/12/14