Re: [PATCHv2 1/6] qemu: add capability detection for query-cpus-fast

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On 23.03.2018 17:03, John Ferlan wrote:
> 
> 
> On 03/05/2018 06:44 AM, Viktor Mihajlovski wrote:
>> Detect whether QEMU supports the QMP query-cpus-fast API
>> and set QEMU_CAPS_QUERY_CPUS_FAST in this case.
>>
>> Signed-off-by: Viktor Mihajlovski <mihajlov@xxxxxxxxxxxxxxxxxx>
>> Reviewed-by: Boris Fiuczynski <fiuczy@xxxxxxxxxxxxxxxxxx>
>> Reviewed-by: Marc Hartmayer <mhartmay@xxxxxxxxxxxxxxxxxx>
>> Acked-by: Peter Krempa <pkrempa@xxxxxxxxxx>
>> ---
>>  src/qemu/qemu_capabilities.c | 4 +++-
>>  src/qemu/qemu_capabilities.h | 1 +
>>  2 files changed, 4 insertions(+), 1 deletion(-)
>>
Thanks for the thorough review of the series.
> 
> Now that the 2.12 caps update has been pushed... It's "open season" on
> the qemu_capabilities.{c,h}. Since this series has been on list the
> longest, I'll start here...
> 
> This particular patch will need an update to add the new flag to the
> various caps_2.12*.xml files (VIR_TEST_REGENERATE_OUTPUT=1
> tests/qemucapabilitiestest does the trick).
> 
OK.
>> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
>> index b5eb8cf..6635f5e 100644
>> --- a/src/qemu/qemu_capabilities.c
>> +++ b/src/qemu/qemu_capabilities.c
>> @@ -459,6 +459,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
>>                "pl011",
>>                "machine.pseries.max-cpu-compat",
>>                "dump-completed",
>> +              "query-cpus-fast",
>>      );
>>  
>>  
>> @@ -1579,7 +1580,8 @@ struct virQEMUCapsStringFlags virQEMUCapsCommands[] = {
>>      { "query-qmp-schema", QEMU_CAPS_QUERY_QMP_SCHEMA },
>>      { "query-cpu-model-expansion", QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION},
>>      { "query-cpu-definitions", QEMU_CAPS_QUERY_CPU_DEFINITIONS},
>> -    { "query-named-block-nodes", QEMU_CAPS_QUERY_NAMED_BLOCK_NODES}
>> +    { "query-named-block-nodes", QEMU_CAPS_QUERY_NAMED_BLOCK_NODES},
>> +    { "query-cpus-fast", QEMU_CAPS_QUERY_CPUS_FAST}
> 
> I know this has been ACK'd; however, I recently pushed a small fixup in
> this area that you'll have a merge with, see commit id '1706bef6' (I saw
> that while working on something else, but noted this patch is affected).
> 
> Still for this new entry, it'd be better to use the format :
> 
>   { "query-cpus-fast", QEMU_CAPS_QUERY_CPUS_FAST },
> 
I agree, will change.
> 
> John
> 
>>  };
>>  
>>  struct virQEMUCapsStringFlags virQEMUCapsMigration[] = {
>> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
>> index c2ec2be..e3c31ab 100644
>> --- a/src/qemu/qemu_capabilities.h
>> +++ b/src/qemu/qemu_capabilities.h
>> @@ -444,6 +444,7 @@ typedef enum {
>>      QEMU_CAPS_DEVICE_PL011, /* -device pl011 (not user-instantiable) */
>>      QEMU_CAPS_MACHINE_PSERIES_MAX_CPU_COMPAT, /* -machine pseries,max-cpu-compat= */
>>      QEMU_CAPS_DUMP_COMPLETED, /* DUMP_COMPLETED event */
>> +    QEMU_CAPS_QUERY_CPUS_FAST, /* query-cpus-fast command */
>>  
>>      QEMU_CAPS_LAST /* this must always be the last item */
>>  } virQEMUCapsFlags;
>>
> 


-- 
Regards,
 Viktor Mihajlovski

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