[PATCHv2 11/11] powerpc/kvm: Advertise availablity of HPT resizing on KVM HV

From: David Gibson
Date: Tue Dec 20 2016 - 00:51:47 EST


This updates the KVM_CAP_SPAPR_RESIZE_HPT capability to advertise the
presence of in-kernel HPT resizing on KVM HV.

Signed-off-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kvm/powerpc.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index efd1183..1f32235 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -605,6 +605,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_SPAPR_MULTITCE:
r = 1;
break;
+ case KVM_CAP_SPAPR_RESIZE_HPT:
+ r = !!hv_enabled;
+ break;
#endif
case KVM_CAP_PPC_HTM:
r = cpu_has_feature(CPU_FTR_TM_COMP) &&
--
2.9.3