This updates the KVM_CAP_SPAPR_RESIZE_HPT capability to advertise the
presence of in-kernel HPT resizing on KVM HV. In fact the HPT resizing
isn't fully implemented, but this allows us to experiment with what's
there.
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
arch/powerpc/kvm/powerpc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index eeda4a8..2314059 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -573,7 +573,10 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = 1;
break;
case KVM_CAP_SPAPR_RESIZE_HPT:
- r = 1; /* resize allowed only if HPT is outside kernel */
+ if (hv_enabled)
+ r = 2; /* In-kernel resize implementation */
+ else
+ r = 1; /* outside kernel resize allowed */
break;
#endif
default:
--
2.5.0
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
