KVM: s390: implement KVM_REQ_TLB_FLUSH and make use of it
Use the KVM_REQ_TLB_FLUSH request in order to trigger tlb flushes instead of manipulating the SIE control block whenever we need it. Also trigger it for a control register sync directly instead of (ab)using kvm_s390_set_prefix(). Signed-off-by: NDavid Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
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