Re: [PATCH v1 0/9] KVM selftests for s390x

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On 24.05.19 14:29, Christian Borntraeger wrote:
> 
> 
> On 24.05.19 14:17, Christian Borntraeger wrote:
>>
>>
>> On 24.05.19 13:11, Christian Borntraeger wrote:
>>> I do get
>>>
>>> [10400.440298] kvm-s390: failed to commit memory region
>>> [10400.508723] kvm-s390: failed to commit memory region
>>>
>>> when running the tests. Will have a look.
>>
>> It comes from kvm_vm_free. This calls KVM_SET_USER_MEMORY_REGION with size 0,
>> which the s390 code does not like.
>>
> 
> The doc says about  KVM_SET_USER_MEMORY_REGION:
> 
> This ioctl allows the user to create or modify a guest physical memory
> slot.  When changing an existing slot, it may be moved in the guest
> physical memory space, or its flags may be modified.  --> It may not be
> resized. <----

Size 0 is deleting, not resizing AFAIK.


-- 

Thanks,

David / dhildenb



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