linux-kernel - Re: [PATCH v3 2/3] KVM: s390: vsie: Do the CRYCB validation first

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Date:   Thu, 23 Aug 2018 13:19:21 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Christian Borntraeger <borntraeger@...ibm.com>,
        Pierre Morel <pmorel@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, cohuck@...hat.com,
        linux-s390@...r.kernel.org, kvm@...r.kernel.org,
        frankja@...ux.ibm.com, akrowiak@...ux.ibm.com,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com
Subject: Re: [PATCH v3 2/3] KVM: s390: vsie: Do the CRYCB validation first

On 23.08.2018 13:17, Christian Borntraeger wrote:
> 
> 
> On 08/23/2018 12:25 PM, Pierre Morel wrote:
>> When entering the SIE the CRYCB validation better
>> be done independently of the instruction's
>> availability.
> 
> Maybe something like
> 
> We need to handle the validity checks for the crycb, no matter what the
> settings for the keywrappings are. So lets move the keywrapping checks
> after we have done the validy checks.
> 
> ?

With that

Reviewed-by: David Hildenbrand <david@...hat.com>


-- 

Thanks,

David / dhildenb