On Mon, Sep 09, 2019 at 07:10:22PM +0200, Paolo Bonzini wrote:
> On 04/09/19 15:49, Yang Weijiang wrote:
> >>> This would not enable SPP if the guest is backed by huge pages.
> >>> Instead, either the PT_PAGE_TABLE_LEVEL level must be forced for all
> >>> pages covered by SPP ranges, or (better)
On 04/09/19 15:49, Yang Weijiang wrote:
>>> This would not enable SPP if the guest is backed by huge pages.
>>> Instead, either the PT_PAGE_TABLE_LEVEL level must be forced for all
>>> pages covered by SPP ranges, or (better) kvm_enable_spp_protection must
>>> be able to cover multiple pages at
On Tue, Aug 20, 2019 at 09:12:14PM +0800, Yang Weijiang wrote:
> On Mon, Aug 19, 2019 at 04:46:54PM +0200, Paolo Bonzini wrote:
> > On 14/08/19 09:04, Yang Weijiang wrote:
> > > +
> > > + if (vcpu->kvm->arch.spp_active && level == PT_PAGE_TABLE_LEVEL)
> > > +
On Mon, Aug 19, 2019 at 04:46:54PM +0200, Paolo Bonzini wrote:
> On 14/08/19 09:04, Yang Weijiang wrote:
> > +
> > + if (vcpu->kvm->arch.spp_active && level == PT_PAGE_TABLE_LEVEL)
> > + kvm_enable_spp_protection(vcpu->kvm, gfn);
> > +
>
> This would not enable SPP if the guest is
On 14/08/19 09:04, Yang Weijiang wrote:
> +
> + if (vcpu->kvm->arch.spp_active && level == PT_PAGE_TABLE_LEVEL)
> + kvm_enable_spp_protection(vcpu->kvm, gfn);
> +
This would not enable SPP if the guest is backed by huge pages.
Instead, either the PT_PAGE_TABLE_LEVEL level must be
If SPP subpages are set while the physical page are not
available in EPT leaf entry, the mapping is first stored
in SPP access bitmap buffer. SPPT setup is deferred to
access to the protected page, in EPT page fault handler,
the SPPT enries are set up.
Signed-off-by: Yang Weijiang
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