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Message-Id: <853c73ab-3221-e0ee-af30-8e11fefbebd7@de.ibm.com>
Date: Thu, 23 Aug 2018 13:07:32 +0200
From: Christian Borntraeger <borntraeger@...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,
frankja@...ux.ibm.com, akrowiak@...ux.ibm.com,
schwidefsky@...ibm.com, heiko.carstens@...ibm.com
Subject: Re: [PATCH v3 1/3] KVM: s390: vsie: copy wrapping keys to right place
On 08/23/2018 12:25 PM, Pierre Morel wrote:
> Copy the key mask to the right offset inside the shadow CRYCB
>
> Signed-off-by: Pierre Morel <pmorel@...ux.ibm.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Reviewed-by: Cornelia Huck <cohuck@...hat.com>
> Reviewed-by: Janosch Frank <frankja@...ux.ibm.com>
This should be cc stable I guess?
> ---
> 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;
>
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