Re: [PATCH] KVM: VMX: Set IGMT bit in EPT entry

2008-11-06 Thread Avi Kivity
Sheng Yang wrote: (Patch for 2.6.27, based on kvm-updates/2.6.27) There is a potential issue that, when guest using pagetable without vmexit when EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory, which would be inconsistent with host side and would cause host MCE

Re: [PATCH] KVM: VMX: Set IGMT bit in EPT entry

2008-11-06 Thread Anthony Liguori
Sheng Yang wrote: (Patch for 2.6.27, based on kvm-updates/2.6.27) There is a potential issue that, when guest using pagetable without vmexit when EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory, which would be inconsistent with host side and would cause host MCE

Re: [PATCH] KVM: VMX: Set IGMT bit in EPT entry

2008-11-06 Thread Sheng Yang
On Thursday 06 November 2008 21:47:59 Anthony Liguori wrote: Sheng Yang wrote: (Patch for 2.6.27, based on kvm-updates/2.6.27) There is a potential issue that, when guest using pagetable without vmexit when EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory,

[PATCH] KVM: VMX: Set IGMT bit in EPT entry

2008-11-05 Thread Sheng Yang
(Patch for 2.6.27, based on kvm-updates/2.6.27) There is a potential issue that, when guest using pagetable without vmexit when EPT enabled, guest would use PAT/PCD/PWT bits to index PAT msr for it's memory, which would be inconsistent with host side and would cause host MCE due to inconsistent