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Reply-To: pmorel@linux.ibm.com
Subject: Re: [PATCH v2 1/5] KVM: s390: vsie: BUG correction by shadow_crycb
To:     Cornelia Huck <cohuck@redhat.com>,
        David Hildenbrand <david@redhat.com>
Cc:     linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
        kvm@vger.kernel.org, frankja@linux.ibm.com, akrowiak@linux.ibm.com,
        borntraeger@de.ibm.com, schwidefsky@de.ibm.com,
        heiko.carstens@de.ibm.com
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 <20180823092722.5853bd4b.cohuck@redhat.com>
From:   Pierre Morel <pmorel@linux.ibm.com>
Date:   Thu, 23 Aug 2018 10:03:02 +0200
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On 23/08/2018 09:27, Cornelia Huck wrote:
> On Wed, 22 Aug 2018 18:53:02 +0200
> David Hildenbrand <david@redhat.com> wrote:
> 
>> On 22.08.2018 18:51, Pierre Morel wrote:
>>> Copy the key mask to the right offset inside the shadow CRYCB
>>>
>>> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
>>> Reviewed-by: David Hildenbrand <david@redhat.com>
>>> ---
>>>   arch/s390/kvm/vsie.c | 3 ++-
>>>   1 file changed, 2 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
>>> index 9175518..12b9707 100644
>>> --- a/arch/s390/kvm/vsie.c
>>> +++ b/arch/s390/kvm/vsie.c
>>> @@ -173,7 +173,8 @@ static int shadow_crycb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
>>>   		return set_validity_icpt(scb_s, 0x0039U);
>>>   
>>>   	/* copy only the wrapping keys */
>>> -	if (read_guest_real(vcpu, crycb_addr + 72, &vsie_page->crycb, 56))
>>> +	if (read_guest_real(vcpu, crycb_addr + 72,
>>> +			    vsie_page->crycb.dea_wrapping_key_mask, 56))
>>>   		return set_validity_icpt(scb_s, 0x0035U);
>>>   
>>>   	scb_s->ecb3 |= ecb3_flags;
>>>    
>>
>> Please fixup the subject as requested.
> 
> +1
> 
>> (were there more RB-s?)

Already done in my local branch.

>>
> 
> Yep, mine. FTR:
> 
> Reviewed-by: Cornelia Huck <cohuck@redhat.com>
> 

Thanks,

regards,
Pierre

-- 
Pierre Morel
Linux/KVM/QEMU in Böblingen - Germany