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Code Issues Releases Wiki Activity

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

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Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
CC: stable@vger.kernel.org
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Andreas Schwab 2013-12-30 15:36:56 +01:00 committed by Alexander Graf
parent 736017752d
commit 48eaef0518
1 changed files with 6 additions and 1 deletions
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7
arch/powerpc/kvm/book3s_hv.c
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@ -86,10 +86,13 @@ static void kvmppc_fast_vcpu_kick_hv(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();
@ -1142,7 +1145,9 @@ 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