From: Andreas Schwab <schwab@linux-m68k.org>
Date: Mon, 30 Dec 2013 14:36:56 +0000 (+0100)
Subject: KVM: PPC: Book3S HV: use xics_wake_cpu only when defined
X-Git-Tag: firefly_0821_release~3679^2~2945
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=250be41c8d5e04dc17109f9a47be23545d17b35d;p=firefly-linux-kernel-4.4.55.git

KVM: PPC: Book3S HV: use xics_wake_cpu only when defined

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>
---

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 550f5928b394..102ad8a255f3 100644
--- 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_vcpu *vcpu)
 
 	/* 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 kvm_vcpu *vcpu)
 	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