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authorMarcelo Tosatti <mtosatti@redhat.com>2009-10-01 19:28:39 -0300
committerAvi Kivity <avi@redhat.com>2009-12-03 09:32:14 +0200
commita68a6a7282373bedba8a2ed751b6384edb983a64 (patch)
treedc92225ea662d36146f4fb66eec61c29b9e0a132 /arch/x86/kvm
parent355be0b9300579e02275d7d19374806a974ce622 (diff)
downloadblackbird-op-linux-a68a6a7282373bedba8a2ed751b6384edb983a64.tar.gz
blackbird-op-linux-a68a6a7282373bedba8a2ed751b6384edb983a64.zip
KVM: x86: disable paravirt mmu reporting
Disable paravirt MMU capability reporting, so that new (or rebooted) guests switch to native operation. Paravirt MMU is a burden to maintain and does not bring significant advantages compared to shadow anymore. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a06f88e66c89..4693f915f3bd 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1238,8 +1238,8 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_NR_MEMSLOTS:
r = KVM_MEMORY_SLOTS;
break;
- case KVM_CAP_PV_MMU:
- r = !tdp_enabled;
+ case KVM_CAP_PV_MMU: /* obsolete */
+ r = 0;
break;
case KVM_CAP_IOMMU:
r = iommu_found();
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