tree 5a2894e2f2710de9252530f181640287b7819082
parent cd8a377e3b40002cd7983b53f384456393908b7e
author Pierre Morel <pmorel@linux.ibm.com> 1537917390 -0400
committer Christian Borntraeger <borntraeger@de.ibm.com> 1538142611 +0200

KVM: s390: Clear Crypto Control Block when using vSIE

When we clear the Crypto Control Block (CRYCB) used by a guest
level 2, the vSIE shadow CRYCB for guest level 3 must be updated
before the guest uses it.

We achieve this by using the KVM_REQ_VSIE_RESTART synchronous
request for each vCPU belonging to the guest to force the reload
of the shadow CRYCB before rerunning the guest level 3.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Message-Id: <20180925231641.4954-16-akrowiak@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>