On Mon, Nov 14, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> > >> +#if PTTYPE == EPT
> > >> +real_gfn = mmu->translate_gpa(vcpu,
> > >> gfn_to_gpa(table_gfn),
> > >> +
On 12/07/2011 11:06 AM, Nadav Har'El wrote:
> On Sun, Nov 13, 2011, Orit Wasserman wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > +++ b/arch/x86/kvm/mmu.h
> > @@ -48,6 +48,11 @@
> > #define PFERR_RSVD_MASK (1U <&
On Sun, Nov 13, 2011, Orit Wasserman wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> +++ b/arch/x86/kvm/mmu.h
> @@ -48,6 +48,11 @@
> #define PFERR_RSVD_MASK (1U << 3)
> #define PFERR_FETCH_MASK (1U << 4)
>
> +#define EPT_WRITABLE_MA
On 12/06/2011 02:40 PM, Nadav Har'El wrote:
> On Sun, Nov 13, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > On 11/13/2011 01:30 PM, Orit Wasserman wrote:
> > > Maybe this patch can help, this is roughly what Avi wan
On Sun, Nov 13, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> On 11/13/2011 01:30 PM, Orit Wasserman wrote:
> > Maybe this patch can help, this is roughly what Avi wants (I hope) done
> > very quickly.
> > I'm sorry I d
On 11/23/2011 05:44 PM, Nadav Har'El wrote:
> On Wed, Nov 23, 2011, Nadav Har'El wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > > +static int nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
> > > +{
> > >
On Wed, Nov 23, 2011, Nadav Har'El wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> > +static int nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
> > +{
> > + int r = kvm_init_shadow_mmu(vcpu, &vcpu->arch.mmu);
> &
On Sun, Nov 13, 2011, Orit Wasserman wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> Maybe this patch can help, this is roughly what Avi wants (I hope) done very
> quickly.
> I'm sorry I don't have setup to run nested VMX at the moment so i can&#
On 11/13/2011 08:26 PM, Orit Wasserman wrote:
> >
> >> int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64
> >> sptes[4]);
> >> void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask);
> >> int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool
> >> direct);
> >> diff
On 11/13/2011 04:32 PM, Avi Kivity wrote:
> On 11/13/2011 01:30 PM, Orit Wasserman wrote:
>> Maybe this patch can help, this is roughly what Avi wants (I hope) done very
>> quickly.
>> I'm sorry I don't have setup to run nested VMX at the moment so i can't test
>> it.
>>
>> Orit
>>
>> diff --git
On 11/13/2011 01:30 PM, Orit Wasserman wrote:
> Maybe this patch can help, this is roughly what Avi wants (I hope) done very
> quickly.
> I'm sorry I don't have setup to run nested VMX at the moment so i can't test
> it.
>
> Orit
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 93
On 11/12/2011 11:37 PM, Nadav Har'El wrote:
> On Sat, Nov 12, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
>> host may write-protect a page. Second, the shadow and guest ptes may be
>> in different formats (ept vs ia32).
&
On 11/12/2011 11:37 PM, Nadav Har'El wrote:
> On Sat, Nov 12, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > host may write-protect a page. Second, the shadow and guest ptes may be
> > in different formats (ept vs ia32).
On Sat, Nov 12, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> host may write-protect a page. Second, the shadow and guest ptes may be
> in different formats (ept vs ia32).
I'm afraid I've lost you here... The shadow table and the
On 11/10/2011 10:05 PM, Nadav Har'El wrote:
> On Thu, Nov 10, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > This is all correct, but the code in question parses the EPT12 table
> > using the ia32 page table format. The
On Thu, Nov 10, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> This is all correct, but the code in question parses the EPT12 table
> using the ia32 page table format. They're sufficiently similar so that
> it works, but it isn&#x
On 11/10/2011 04:40 PM, Nadav Har'El wrote:
> On Thu, Nov 10, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
> context for nested EPT":
> > > +static int nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
> > > +{
> > > + i
On Thu, Nov 10, 2011, Avi Kivity wrote about "Re: [PATCH 02/10] nEPT: MMU
context for nested EPT":
> > +static int nested_ept_init_mmu_context(struct kvm_vcpu *vcpu)
> > +{
> > + int r = kvm_init_shadow_mmu(vcpu, &vcpu->arch.mmu);
>...
> >
On 11/10/2011 11:58 AM, Nadav Har'El wrote:
> KVM's existing shadow MMU code already supports nested TDP. To use it, we
> need to set up a new "MMU context" for nested EPT, and create a few callbacks
> for it (nested_ept_*()). We then need to switch back and forth between this
> nested context and
On 11/10/2011 11:58 AM, Nadav Har'El wrote:
> KVM's existing shadow MMU code already supports nested TDP. To use it, we
> need to set up a new "MMU context" for nested EPT, and create a few callbacks
> for it (nested_ept_*()). We then need to switch back and forth between this
> nested context and
KVM's existing shadow MMU code already supports nested TDP. To use it, we
need to set up a new "MMU context" for nested EPT, and create a few callbacks
for it (nested_ept_*()). We then need to switch back and forth between this
nested context and the regular MMU context when switching between L1 an
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