KVM: s390: Provide access to program parameter
commit d208c79d (KVM: s390: Enable the LPP facility for guests) enabled the LPP instruction for guests. We should expose the program parameter as a pseudo register for migration/reset etc. Lets also reset this value on initial CPU reset. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
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