Re: [Qemu-devel] [PATCH 01/36] vmstate: Simplify test for CPU_SAVE_VERSION

[Juan Quintela]

Michael Roth <address@hidden> wrote:
> On Mon, Mar 19, 2012 at 11:57:29PM +0100, Juan Quintela wrote:
>> Some cpu's definitions define CPU_SAVE_VERSION, others not, but they have
>> defined cpu_save/load.
>
> I'm guessing this patch becomes useful later in the series, but as it stands
> I'm not seeing where this helps with cpus like target-alpha that have
> cpu_save/load defined but not CPU_SAVE_VERSION, except to save off common
> cpu fields as opposed to before when we saved nothing. Maybe a
> add CPU_SAVE_SUPPORTED and check that instead? Or merge this elsewhere in
> the series?

We got completely rid of it in the end.  What was happening here is that
we were having code protected with CONFIG_USER_ONLY, and no migration
code should ever be used there.

As you guessed, later in the series, all is removed.

Later, Juan.