KVM: PPC: Expose SYNC cap based on mmu notifiers
Semantically, the "SYNC" cap means that we have mmu notifiers available.
Express this in our #ifdef'ery around the feature, so that we can be sure
we don't miss out on ppc targets when they get their implementation.
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index dbf56e1..45fe433 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -264,10 +264,16 @@
if (cpu_has_feature(CPU_FTR_ARCH_201))
r = 2;
break;
- case KVM_CAP_SYNC_MMU:
- r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0;
- break;
#endif
+ case KVM_CAP_SYNC_MMU:
+#ifdef CONFIG_KVM_BOOK3S_64_HV
+ r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0;
+#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER)
+ r = 1;
+#else
+ r = 0;
+#endif
+ break;
case KVM_CAP_NR_VCPUS:
/*
* Recommending a number of CPUs is somewhat arbitrary; we