linux-kernel - Re: [PATCH v3 0/3] KVM: s390: vsie: Consolidate CRYCB validation

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Message-Id: <e0ce50d0-81e1-d790-ef15-08eb99576729@linux.ibm.com>
Date:   Thu, 23 Aug 2018 15:16:07 +0200
From:   Janosch Frank <frankja@...ux.ibm.com>
To:     Pierre Morel <pmorel@...ux.ibm.com>, david@...hat.com
Cc:     linux-kernel@...r.kernel.org, cohuck@...hat.com,
        linux-s390@...r.kernel.org, kvm@...r.kernel.org,
        akrowiak@...ux.ibm.com, borntraeger@...ibm.com,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com
Subject: Re: [PATCH v3 0/3] KVM: s390: vsie: Consolidate CRYCB validation

On 8/23/18 12:25 PM, Pierre Morel wrote:
> Before adapting the CRYCB shadowing for a guest supporting
> the AP instructions we want to clean the CRYCB shadowing code.
> 
> First patch seem obvious.
> 
> Second patch introduce a change in the behavior of
> the virtual machine in that the CRYCB is validated
> whenever we use or not the key masks to mimic the
> real machine.
> 
> Patch 3 does not correct the compiled code but make
> more clear what is done concerning the formating of
> the CRYCB in the guest original CRYCB and in the
> shadow CRYCB.
> 

Thanks, applied.



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