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 <ag...@suse.de>
---
arch/powerpc/kvm/powerpc.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index a69ca4a..e2511de 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -264,10 +264,16 @@ int kvm_dev_ioctl_check_extension(long ext)
if (cpu_has_feature(CPU_FTR_ARCH_201))
r = 2;
break;
+#endif
case KVM_CAP_SYNC_MMU:
+#ifdef CONFIG_KVM_BOOK3S_64_HV
r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0;
- break;
+#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
--
1.6.0.2
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