ppc/kvm: Clear the runlatch bit of a vcpu before napping
When the guest cedes the vcpu or the vcpu has no guest to run it naps. Clear the runlatch bit of the vcpu before napping to indicate an idle cpu. Signed-off-by: NPreeti U Murthy <preeti@linux.vnet.ibm.com> Acked-by: NPaul Mackerras <paulus@samba.org> Reviewed-by: NSrivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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