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[Qemu-devel] Re: [patch 3/3] UHCI: Substate section for migration of rem
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From: |
Juan Quintela |
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Subject: |
[Qemu-devel] Re: [patch 3/3] UHCI: Substate section for migration of remote wakeup feature |
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Date: |
Wed, 01 Dec 2010 20:14:22 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Gerd Hoffmann <address@hidden> wrote:
> On 12/01/10 17:47, Marcelo Tosatti wrote:
>> Use a subsection to migrate remote wakeup feature only when used by the
>> guest.
>
> Yea, right, this must be saved. But certainly not by the UHCI
> adapter, it belongs into the usb devices. Some of them don't save
> state at all today, which makes it a bit tricky to do this in a way
> that migration to older versions keeps working at least as long as
> remote wakeup isn't used ...
>
> Juan, any idea?
Second thought.
Only to add sections for all devices that don't have one. But the
problem is that we have optional subsections, not optional subsections
(it is not a way to not send a section because no value there).
Later, Juan.