Re: [PATCH 34/35] KVM: s390: protvirt: Add UV cpu reset calls

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On 10.02.20 14:17, Cornelia Huck wrote:
> On Fri,  7 Feb 2020 06:39:57 -0500
> Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> 
>> From: Janosch Frank <frankja@xxxxxxxxxxxxx>
>>
>> For protected VMs, the VCPU resets are done by the Ultravisor, as KVM
>> has no access to the VCPU registers.
>>
>> As the Ultravisor will only accept a call for the reset that is
>> needed, we need to fence the UV calls when chaining resets.
> 
> Last time, I suggested replacing this with
> 
> "Note that the ultravisor will only accept a call for the exact reset
> that has been requested."
> 
> I still suggest that :)

Will do.

> 
>>
>> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
>> Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
>> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
>> [borntraeger@xxxxxxxxxx: patch merging, splitting, fixing]
>> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
>> ---
>>  arch/s390/kvm/kvm-s390.c | 20 ++++++++++++++++++++
>>  1 file changed, 20 insertions(+)
> 
> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
> 





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