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SubjectRe: [PATCH v5 15/15] KVM: s390: start using the GIB
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On 02.01.19 18:45, Pierre Morel wrote:
> On 19/12/2018 20:17, Michael Mueller wrote:
>> By initializing the GIB, it will be used by the kvm host.
>>
>> Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
>> ---
>>   arch/s390/kvm/kvm-s390.c | 8 +++++++-
>>   1 file changed, 7 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
>> index 2d10e175862c..777c8a87d81c 100644
>> --- a/arch/s390/kvm/kvm-s390.c
>> +++ b/arch/s390/kvm/kvm-s390.c
>> @@ -428,16 +428,22 @@ int kvm_arch_init(void *opaque)
>>           goto out_debug_unreg;
>>       }
>> +    rc = kvm_s390_gib_init(GAL_ISC);
>> +    if (rc)
>> +        goto out_debug_unreg;
>> +
>
> Since it is the last introduced I have a preference to put the gib
> initialization after any existing initialization.
> it does not have influence them.
>
>>       kvm_s390_cpu_feat_init();
>>       /* Register floating interrupt controller interface. */
>>       rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
>>       if (rc) {
>>           pr_err("Failed to register FLIC rc=%d\n", rc);
>> -        goto out_debug_unreg;
>> +        goto out_gib_destroy;
>
> It is not a big problem but would make the patch more smaller by
> gathering all changes.

I will move that behind the FLIC registraion.

>
>>       }
>>       return 0;
>> +out_gib_destroy:
>> +    kvm_s390_gib_destroy();
>>   out_debug_unreg:
>>       debug_unregister(kvm_s390_dbf);
>>       return rc;
>>
>
> with these changes.
> Reviewed-by: Pierre Morel<pmorel@linux.ibm.com>
>
>
>
>

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