Re: [GIT PULL 1/2] KVM: s390/facilities: allow TOD-CLOCK steering facility bit

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On 10/01/2014 04:17 PM, Alexander Graf wrote:
> 
> 
> On 01.10.14 16:02, Christian Borntraeger wrote:
>> There is nothing to do for KVM to support TOD-CLOCK steering.
>>
>> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
>> Reviewed-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx>
>> ---
>>  arch/s390/kvm/kvm-s390.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
>> index 56a411c..0d5aa88 100644
>> --- a/arch/s390/kvm/kvm-s390.c
>> +++ b/arch/s390/kvm/kvm-s390.c
>> @@ -1786,7 +1786,7 @@ static int __init kvm_s390_init(void)
>>  		return -ENOMEM;
>>  	}
>>  	memcpy(vfacilities, S390_lowcore.stfle_fac_list, 16);
>> -	vfacilities[0] &= 0xff82fff3f4fc2000UL;
>> +	vfacilities[0] &= 0xff82fffbf47c2000UL;
> 
> Can we please convert this into something readable soon? :)

It will be sooner when you send patches ;-)
The facility numbers are documented in the POP (chapter 4 last page) in IBM notation (bit0 is the MSB)
It probably makes sense to do this for the non-KVM part as well. When you grep
for test_facility under arch/s390 there are lots of numerical value.

Hmm, maybe we can find somebody that wants to increase the patch counter?

Christian


> 
> 
> Alex
> 
>>  	vfacilities[1] &= 0x005c000000000000UL;
>>  	return 0;
>>  }
>>
> 

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