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KVM: x86: disable paravirt mmu reporting

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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>
This commit is contained in:
Marcelo Tosatti 2009-10-01 19:28:39 -03:00 committed by Avi Kivity
parent 355be0b930
commit a68a6a7282
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/x86.c
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@ -1238,8 +1238,8 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_NR_MEMSLOTS: case KVM_CAP_NR_MEMSLOTS:
r = KVM_MEMORY_SLOTS; r = KVM_MEMORY_SLOTS;
break; break;
case KVM_CAP_PV_MMU: case KVM_CAP_PV_MMU: /* obsolete */
r = !tdp_enabled; r = 0;
break; break;
case KVM_CAP_IOMMU: case KVM_CAP_IOMMU:
r = iommu_found(); r = iommu_found();