Re: [Qemu-devel] [PATCH v4 2/2] spapr: override default ram size to 1GB

[Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>]

Alexander Graf <agraf@suse.de> writes:

> On 05.03.15 12:56, Nikunj A Dadhania wrote:
>> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
>> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
>> ---
>>  hw/ppc/spapr.c | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
>> index 23cde20..c71ee4b 100644
>> --- a/hw/ppc/spapr.c
>> +++ b/hw/ppc/spapr.c
>> @@ -96,6 +96,7 @@ typedef struct sPAPRMachineState sPAPRMachineState;
>>  #define SPAPR_MACHINE(obj) \
>>      OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
>>  
>> +#define SPAPR_DEFAULT_RAM_SIZE   (1UL << 30)
>
> UL is almost always wrong on QEMU land. Please use ULL.
>
> Also I find 1 << 30 pretty hard to read. Can't we just define simple
> KB/MB/GB/TB helpers somewhere in a header file and just fold this is
> below as ..

Ok, let me get a appropriate header for these.

>
>>  /**
>>   * sPAPRMachineState:
>>   */
>> @@ -1738,6 +1739,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
>>      mc->max_cpus = MAX_CPUS;
>>      mc->no_parallel = 1;
>>      mc->default_boot_order = NULL;
>> +    mc->default_ram_size = SPAPR_DEFAULT_RAM_SIZE;
>
> mc->default_ram_size = 1 * GB;
>
>
> Alex
>
>>      mc->kvm_type = spapr_kvm_type;
>>      mc->has_dynamic_sysbus = true;
>>  
>>