Am 23.02.2015 um 13:56 schrieb Christian Borntraeger:
> Am 20.02.2015 um 16:22 schrieb Alexander Graf:
>>
>>
>>
>>> Am 20.02.2015 um 16:00 schrieb Michael Mueller <mimu@xxxxxxxxxxxxxxxxxx>:
>>>
>>> On Fri, 20 Feb 2015 14:54:23 +0100
>>> Alexander Graf <agraf@xxxxxxx> wrote:
>>>
>>>>>
>>>>> +/* machine related properties */
>>>>> +typedef struct S390CPUMachineProps {
>>>>> + uint16_t class; /* machine class */
>>>>> + uint16_t ga; /* availability number of machine */
>>>>> + uint16_t order; /* order of availability */
>>>>> +} S390CPUMachineProps;
>>>>> +
>>>>> +/* processor related properties */
>>>>> +typedef struct S390CPUProcessorProps {
>>>>> + uint16_t gen; /* S390 CMOS generation */
>>>>> + uint16_t ver; /* version of processor */
>>>>> + uint32_t id; /* processor identification*/
>>>>> + uint16_t type; /* machine type */
>>>>> + uint16_t ibc; /* IBC value */
>>>>> + uint64_t *fac_list; /* list of facilities */
>>>>
>>>> Just make this uint64_t fac_list[2]. That way we don't have to track any
>>>> messy allocations.
>>>
>>> It will be something like "uint64_t fac_list[S390_CPU_FAC_LIST_SIZE_UINT64]" and in total 2KB not
>>> just 16 bytes but I will change it.
>>
>> Why? Do we actually need that many? This is a qemu internal struct.
>
> The kernel already enabled the 3rd word for z13 support,
> https://git.kernel.org/cgit/linux/kernel/git/s390/linux.git/commit/?id=f8b2dcbd9e6d1479b9b5a9e9e78bbaf783bde819
>
> so make it at least 3.
This should have been
commit 8070361799ae1e3f4ef347bd10f0a508ac10acfb
Author: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Date: Mon Oct 6 17:53:53 2014 +0200
s390: add support for vector extension
which uses bit 129.
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