[PATCH 3.10 092/104] KVM: PPC: Book3S HV: use xics_wake_cpu only when defined

Greg Kroah-Hartman
2014-02-04T21:07:45Z

From: Andreas Schwab <schwab@linux-m68k.org>

commit 48eaef0518a565d3852e301c860e1af6a6db5a84 upstream.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/powerpc/kvm/book3s_hv.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -82,10 +82,13 @@ void kvmppc_fast_vcpu_kick(struct kvm_vc

/* CPU points to the first thread of the core */
if (cpu != me && cpu >= 0 && cpu < nr_cpu_ids) {
+#ifdef CONFIG_KVM_XICS
int real_cpu = cpu + vcpu->arch.ptid;
if (paca[real_cpu].kvm_hstate.xics_phys)
xics_wake_cpu(real_cpu);
- else if (cpu_online(cpu))
+ else
+#endif
+ if (cpu_online(cpu))
smp_send_reschedule(cpu);
}
put_cpu();
@@ -1090,7 +1093,9 @@ static void kvmppc_start_thread(struct k
smp_wmb();
#if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP)
if (vcpu->arch.ptid) {
+#ifdef CONFIG_KVM_XICS
xics_wake_cpu(cpu);
+#endif
++vc->n_woken;
}
#endif