Re: [Qemu-devel] [PATCH qom-cpu v3 4/6] cpu: Introduce cpu_class_set_vmsd()

["Andreas Färber" <afaerber@suse.de>]

Am 26.02.2013 20:32, schrieb Eduardo Habkost:
> On Mon, Feb 25, 2013 at 07:22:48PM +0100, Andreas Färber wrote:
>> This setter avoids redefining each VMStateDescription value to
>> vmstate_dummy by not referencing the value for CONFIG_USER_ONLY.
>>
>> Suggested-by: Juan Quintela <quintela@redhat.com>
>> Signed-off-by: Andreas Färber <afaerber@suse.de>
>> ---
>>  include/qom/cpu.h |   17 +++++++++++++++++
>>  1 Datei geändert, 17 Zeilen hinzugefügt(+)
>>
>> diff --git a/include/qom/cpu.h b/include/qom/cpu.h
>> index 1106e39..65e24d3 100644
>> --- a/include/qom/cpu.h
>> +++ b/include/qom/cpu.h
>> @@ -135,6 +135,23 @@ void cpu_reset(CPUState *cpu);
>>  ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model);
>>  
>>  /**
>> + * cpu_class_set_vmsd:
>> + * @cc: CPU class
>> + * @value: Value to set.
>> + *
>> + * Sets #VMStateDescription for @cc.
>> + */
>> +#ifndef CONFIG_USER_ONLY
>> +static inline void cpu_class_set_vmsd(CPUClass *cc,
>> +                                      const struct VMStateDescription *value)
>> +{
>> +    cc->vmsd = value;
>> +}
>> +#else
>> +#define cpu_class_set_vmsd(cpu, val) ((cpu)->vmsd = NULL)
> 
> Even after reading the description above, I was going to ask you why
> this was not an inline function as well. But then I read patch 5/6 and
> understood why.  :-)
> 
> I would add a coment here noting that "val" is actually expected to be
> never evaluated when CONFIG_USER_ONLY is defined.

Done. I also renamed the arguments to match those of the function.

> 
> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>

Thanks,
Andreas

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