From: Cornelia Huck <cohuck@redhat.com>
To: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, borntraeger@de.ibm.com,
pmorel@linux.vnet.ibm.com, pasic@linux.vnet.ibm.com,
pbonzini@redhat.com, rkrcmar@redhat.com
Subject: Re: [PATCH] KVM: s390: reset crypto attributes for all vcpus
Date: Fri, 20 Apr 2018 10:57:57 +0200 [thread overview]
Message-ID: <20180420105757.506c4421.cohuck@redhat.com> (raw)
In-Reply-To: <1524172432-26211-1-git-send-email-akrowiak@linux.vnet.ibm.com>
On Thu, 19 Apr 2018 17:13:52 -0400
Tony Krowiak <akrowiak@linux.vnet.ibm.com> wrote:
> Introduces a new function to reset the crypto attributes for all
> vcpus whether they are running or not. Each vcpu in KVM will
> be removed from SIE prior to resetting the crypto attributes in its
> SIE state description. After all vcpus have had their crypto attributes
> reset the vcpus will be restored to SIE.
>
> This function is incorporated into the kvm_s390_vm_set_crypto(kvm)
> function to fix a reported issue whereby the crypto key wrapping
> attributes could potentially get out of synch for running vcpus.
>
> Reported-by: Halil Pasic <pasic@linux.vnet.ibm.com>
> Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
> ---
> arch/s390/kvm/kvm-s390.c | 18 ++++++++++++++----
> arch/s390/kvm/kvm-s390.h | 13 +++++++++++++
> 2 files changed, 27 insertions(+), 4 deletions(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2018-04-20 8:58 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-19 21:13 [PATCH] KVM: s390: reset crypto attributes for all vcpus Tony Krowiak
2018-04-20 8:57 ` Cornelia Huck [this message]
2018-04-20 11:59 ` Janosch Frank
2018-04-20 12:15 ` Janosch Frank
2018-04-22 15:10 ` Tony Krowiak
2018-04-20 12:26 ` David Hildenbrand
2018-04-20 12:28 ` David Hildenbrand
2018-04-22 15:06 ` Tony Krowiak
2018-04-22 15:53 ` Halil Pasic
2018-04-21 0:11 ` kbuild test robot
2018-04-22 16:42 ` Tony Krowiak
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