Re: [PATCH V1 14/32] savevm: VMS_RESTART and cprsave restart

[Steven Sistare]

On 7/30/2020 12:22 PM, Eric Blake wrote:
> On 7/30/20 10:14 AM, Steve Sistare wrote:
>> Add the VMS_RESTART variant of vmstate, for use when upgrading qemu in place
>> on the same host without a reboot.  Invoke it using:
>>    cprsave <filename> restart
>>
>> VMS_RESTART supports guest ram mapped by private anonymous memory, versus
>> VMS_REBOOT which requires that guest ram be mapped by persistent shared
>> memory.  Subsequent patches complete its implementation.
>>
>> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
>> ---
> 
>> +++ b/qapi/migration.json
>> @@ -1639,6 +1639,7 @@
>>   #
>>   # @file: name of checkpoint file
>>   # @mode: 'reboot' : checkpoint can be cprload'ed after a host kexec reboot.
>> +#        'restart': checkpoint can be cprload'ed after restarting qemu.
> 
> This should be a modification to an enum type (the 'CprMode' type I suggested 
> earlier in the series).

Will do - steve