Re: [PATCH v1 0/2] KVM: s390: Tracing APCB changes

From: David Hildenbrand
Date: Fri Oct 05 2018 - 04:56:59 EST


On 05/10/2018 10:44, Cornelia Huck wrote:
> On Fri, 5 Oct 2018 10:31:08 +0200
> Pierre Morel <pmorel@xxxxxxxxxxxxx> wrote:
>
>> In the first patch we define kvm_arch_crypto_set_masks,
>> a new function to centralize the setup the APCB masks
>> inside the CRYCB SIE satelite and add KVM_EVENT() to
>> kvm_arch_crypto_set_masks and kvm_arch_crypto_clear_masks.
>>
>> In the second patch we replace the vfio_ap_mdev_copy_masks()
>> by the new kvm_arch_crypto_set_masks() function.
>>
>>
>> Pierre Morel (2):
>> KVM: s390: Tracing APCB changes
>> s390: vfio-ap: setup APCB mask using KVM dedicated function
>>
>> arch/s390/include/asm/kvm_host.h | 2 ++
>> arch/s390/kvm/kvm-s390.c | 41 +++++++++++++++++++++++++++++++++++++++
>> drivers/s390/crypto/vfio_ap_ops.c | 33 +++----------------------------
>> 3 files changed, 46 insertions(+), 30 deletions(-)
>>
>
> I like this version better: it moves the mask-setting next to the
> mask-clearing, and, as a bonus, adds a trace event for clearing as
> well :)
>

Yes, more code but looks cleaner to me.

--

Thanks,

David / dhildenb