[Qemu-devel] Re: [PATCH v2 1/2] hw/arm_sysctl.c: Add the Versatile Express system registers

[Peter Maydell]

On 5 March 2011 12:11, Paolo Bonzini <address@hidden> wrote:
> On 03/04/2011 09:34 PM, Peter Maydell wrote:
>>
>>      .name = "realview_sysctl",
>> -    .version_id = 1,
>> -    .minimum_version_id = 1,
>> +    .version_id = 2,
>> +    .minimum_version_id = 2,
>>      .fields = (VMStateField[]) {
>>          VMSTATE_UINT32(leds, arm_sysctl_state),
>>          VMSTATE_UINT16(lockval, arm_sysctl_state),
>> @@ -41,6 +44,9 @@ static const VMStateDescription vmstate_arm_sysctl = {
>>          VMSTATE_UINT32(flags, arm_sysctl_state),
>>          VMSTATE_UINT32(nvflags, arm_sysctl_state),
>>          VMSTATE_UINT32(resetlevel, arm_sysctl_state),
>> +        VMSTATE_UINT32(sys_cfgdata, arm_sysctl_state),
>> +        VMSTATE_UINT32(sys_cfgctrl, arm_sysctl_state),
>> +        VMSTATE_UINT32(sys_cfgstat, arm_sysctl_state),
>>          VMSTATE_END_OF_LIST()
>>      }
>
> You need to present the fields as version 2-only.

Can you give an example/explanation? docs/migration.txt doesn't
seem to cover this...

thanks
-- PMM