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Re: [Qemu-devel] [PATCH v4 1/2] pl330: initial version

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v4 1/2] pl330: initial version
Date: Tue, 19 Jun 2012 11:55:32 +0100

On 19 June 2012 11:17, Andreas Färber <address@hidden> wrote:
> Am 19.06.2012 08:40, schrieb Peter Crosthwaite:
>> On Tue, Jun 19, 2012 at 12:33 AM, Igor Mitsyanko
>>> And it still has no save/load support, it is really mandatory for all new
>>> devices. I can recall that one of the maintainers wrote a while ago that
>>> every device at least needs to mark itself as non-migratable, if it doesn't
>>> implement a proper vmstate.
>> Ok, ccing  Andreas
> Not my requirement but Peter's (cc'ing). Usually it's really trivial
> adding a handful of fields to the VMSD, so I can understand though.

Yes, it's not difficult and there's no easy way to detect "attempted
to migrate a machine using a device that failed to implement save/load"
so I prefer to be strict about not letting new devices into the tree
that don't implement this. (Proper implementation, please, not just
marking the device as non-migratable.)

-- PMM

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