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authorPaul Mackerras <paulus@ozlabs.org>2016-08-10 11:27:27 +1000
committerPaul Mackerras <paulus@ozlabs.org>2016-08-19 13:00:06 +1000
commit34a75b0f63356097ae9f706d64a793934891002f (patch)
treeb1ff9c0443423559c057724bc596e859b8a7140e /arch/powerpc/kvm
parente48ba1cbce12eb4546771d45c09dd94c3404efe8 (diff)
downloadblackbird-op-linux-34a75b0f63356097ae9f706d64a793934891002f.tar.gz
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KVM: PPC: Implement kvm_arch_intc_initialized() for PPC
It doesn't make sense to create irqfds for a VM that doesn't have in-kernel interrupt controller emulation. There is an existing interface for architecture code to tell the irqfd code whether or not any interrupt controller has been initialized, called kvm_arch_intc_initialized(), so let's implement that for powerpc. Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/powerpc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 6ce40dd6fe51..ab2b3d544937 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -1167,6 +1167,19 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
return r;
}
+bool kvm_arch_intc_initialized(struct kvm *kvm)
+{
+#ifdef CONFIG_KVM_MPIC
+ if (kvm->arch.mpic)
+ return true;
+#endif
+#ifdef CONFIG_KVM_XICS
+ if (kvm->arch.xics)
+ return true;
+#endif
+ return false;
+}
+
int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
struct kvm_mp_state *mp_state)
{
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