Re: [Qemu-devel] [PATCH v4 15/18] target-i386: Set migratable=yes by default

["Andreas Färber" <afaerber@suse.de>]

Am 30.04.2014 18:48, schrieb Eduardo Habkost:
> Having only migratable flags reported by default on the "host" CPU model
> is safer for the following reasons:
> 
>  * Existing users may expect "-cpu host" to be migration-safe, if they
>    take care of always using compatible host CPUs, host kernels, and
>    QEMU versions.
>  * Users who don't care aboug migration and want to enable all features

"about"

>    supported by the host kernel can simply change their setup to use
>    migratable=no.
> 
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

I see no Reviewed-by or Acked-by for this change...

Shouldn't we at least add .compat_props if we change this behavior?

(NB at this point there are no unmigratable flags yet, but in 18/18.)

Regards,
Andreas

> ---
>  target-i386/cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 9c30957..9ef27fc 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -1232,7 +1232,7 @@ static int cpu_x86_fill_model_id(char *str)
>  static X86CPUDefinition host_cpudef;
>  
>  static Property x86_host_cpu_properties[] = {
> -    DEFINE_PROP_BOOL("migratable", X86CPU, migratable, false),
> +    DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
>      DEFINE_PROP_END_OF_LIST()
>  };
>  

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