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

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Date:   Fri, 5 Oct 2018 10:56:53 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Cornelia Huck <cohuck@...hat.com>,
        Pierre Morel <pmorel@...ux.ibm.com>
Cc:     borntraeger@...ibm.com, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, kvm@...r.kernel.org,
        frankja@...ux.ibm.com, akrowiak@...ux.ibm.com, pasic@...ux.ibm.com
Subject: Re: [PATCH v1 0/2] KVM: s390: Tracing APCB changes

On 05/10/2018 10:44, Cornelia Huck wrote:
> On Fri,  5 Oct 2018 10:31:08 +0200
> Pierre Morel <pmorel@...ux.ibm.com> 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