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1bab1c02af
The STFLE bit 147 indicates whether the ESSA no-DAT operation code is valid, the bit is not normally provided to the host; the host is instead provided with an SCLP bit that indicates whether guests can support the feature. This patch: * enables the STFLE bit in the guest if the corresponding SCLP bit is present in the host. * adds support for migrating the no-DAT bit in the PGSTEs * fixes the software interpretation of the ESSA instruction that is used when migrating, both for the new operation code and for the old "set stable", as per specifications. Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>