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From: Greg KH on 22 Apr 2010 16:40
2.6.32-stable review patch. If anyone has any objections, please let us know.

------------------


From: Marcelo Tosatti <mtosatti(a)redhat.com>

commit a68a6a7282373bedba8a2ed751b6384edb983a64 upstream

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(a)redhat.com>
Signed-off-by: Avi Kivity <avi(a)redhat.com>
Signed-off-by: Stefan Bader <stefan.bader(a)canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>
---
arch/x86/kvm/x86.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1242,8 +1242,8 @@ int kvm_dev_ioctl_check_extension(long e
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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