On 13/04/2017 07:02, Bandan Das wrote:
>> For EPT it is, you're right it's fishy. The "nested_access" should be
>> computed in translate_nested_gpa, which is where kvm->arch.nested_mmu
>> (non-EPT) requests to access kvm->arch.mmu (EPT).
>
> Thanks for the clarification. Is it the case when L1 r
Paolo Bonzini writes:
> - Original Message -
>> From: "Bandan Das"
>> To: "Paolo Bonzini"
>> Cc: linux-kernel@vger.kernel.org, k...@vger.kernel.org, da...@redhat.com
>> Sent: Wednesday, April 12, 2017 7:35:16 AM
>> Subject: Re: [
- Original Message -
> From: "Bandan Das"
> To: "Paolo Bonzini"
> Cc: linux-kernel@vger.kernel.org, k...@vger.kernel.org, da...@redhat.com
> Sent: Wednesday, April 12, 2017 7:35:16 AM
> Subject: Re: [PATCH 4/6] kvm: nVMX: support EPT accessed/di
Paolo Bonzini writes:
...
> accessed_dirty = have_ad ? PT_GUEST_ACCESSED_MASK : 0;
> +
> + /*
> + * FIXME: on Intel processors, loads of the PDPTE registers for PAE
> paging
> + * by the MOV to CR instruction are treated as reads and do not cause
> the
> + * processor to
On 31/03/2017 18:24, Radim Krčmář wrote:
>> +if (is_guest_mode(vcpu)
>> +&& !(exit_qualification & EPT_VIOLATION_GVA_TRANSLATED)) {
>> +/*
>> + * Fix up exit_qualification according to whether guest
>> + * page table accesses are reads or writes.
>>
2017-03-30 11:55+0200, Paolo Bonzini:
> Now use bit 6 of EPTP to optionally enable A/D bits for EPTP. Another
> thing to change is that, when EPT accessed and dirty bits are not in use,
> VMX treats accesses to guest paging structures as data reads. When they
> are in use (bit 6 of EPTP is set),
Now use bit 6 of EPTP to optionally enable A/D bits for EPTP. Another
thing to change is that, when EPT accessed and dirty bits are not in use,
VMX treats accesses to guest paging structures as data reads. When they
are in use (bit 6 of EPTP is set), they are treated as writes and the
correspondi
Now use bit 6 of EPTP to optionally enable A/D bits for EPTP. Another
thing to change is that, when EPT accessed and dirty bits are not in use,
VMX treats accesses to guest paging structures as data reads. When they
are in use (bit 6 of EPTP is set), they are treated as writes and the
correspondi
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