Igor Mammedov writes:
> On Wed, 24 Feb 2021 18:00:43 +0100
> Vitaly Kuznetsov wrote:
>
>> Igor Mammedov writes:
>>
>> > On Tue, 23 Feb 2021 19:08:42 +0100
>> > Vitaly Kuznetsov wrote:
>> >
>> >> Igor Mammedov writes:
>> >>
>> >> > On Tue, 23 Feb 2021 16:46:50 +0100
>> >> > Vitaly Kuznet
On Wed, 24 Feb 2021 18:00:43 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Tue, 23 Feb 2021 19:08:42 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Igor Mammedov writes:
> >>
> >> > On Tue, 23 Feb 2021 16:46:50 +0100
> >> > Vitaly Kuznetsov wrote:
> >> >
> >> >> Igor Ma
Igor Mammedov writes:
> On Tue, 23 Feb 2021 19:08:42 +0100
> Vitaly Kuznetsov wrote:
>
>> Igor Mammedov writes:
>>
>> > On Tue, 23 Feb 2021 16:46:50 +0100
>> > Vitaly Kuznetsov wrote:
>> >
>> >> Igor Mammedov writes:
>> >>
>> >> > On Mon, 22 Feb 2021 11:20:34 +0100
>> >> > Vitaly Kuznet
On Tue, 23 Feb 2021 19:08:42 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Tue, 23 Feb 2021 16:46:50 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Igor Mammedov writes:
> >>
> >> > On Mon, 22 Feb 2021 11:20:34 +0100
> >> > Vitaly Kuznetsov wrote:
> >> >
> >> >> Vitaly
Igor Mammedov writes:
> On Tue, 23 Feb 2021 16:46:50 +0100
> Vitaly Kuznetsov wrote:
>
>> Igor Mammedov writes:
>>
>> > On Mon, 22 Feb 2021 11:20:34 +0100
>> > Vitaly Kuznetsov wrote:
>> >
>> >> Vitaly Kuznetsov writes:
>> >>
>> >> > Igor Mammedov writes:
>> >> >
>> >> >>>
>> >> >
On Tue, 23 Feb 2021 16:46:50 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Mon, 22 Feb 2021 11:20:34 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Vitaly Kuznetsov writes:
> >>
> >> > Igor Mammedov writes:
> >> >
> >> >>>
> >> >>> We need to distinguish because that w
Igor Mammedov writes:
> On Mon, 22 Feb 2021 11:20:34 +0100
> Vitaly Kuznetsov wrote:
>
>> Vitaly Kuznetsov writes:
>>
>> > Igor Mammedov writes:
>> >
>> >>>
>> >>> We need to distinguish because that would be sane.
>> >>>
>> >>> Enlightened VMCS is an extension to VMX, it can't be used wi
On Mon, 22 Feb 2021 11:20:34 +0100
Vitaly Kuznetsov wrote:
> Vitaly Kuznetsov writes:
>
> > Igor Mammedov writes:
> >
> >>>
> >>> We need to distinguish because that would be sane.
> >>>
> >>> Enlightened VMCS is an extension to VMX, it can't be used without
> >>> it. Genuine Hyper-V doesn
Vitaly Kuznetsov writes:
> Igor Mammedov writes:
>
>>>
>>> We need to distinguish because that would be sane.
>>>
>>> Enlightened VMCS is an extension to VMX, it can't be used without
>>> it. Genuine Hyper-V doesn't have a knob for enabling and disabling it,
>> ...
>>> That bein said, if
>>> g
Igor Mammedov writes:
> On Mon, 15 Feb 2021 09:56:19 +0100
> Vitaly Kuznetsov wrote:
>
>> Igor Mammedov writes:
>>
>> > On Fri, 12 Feb 2021 16:26:03 +0100
>> > Vitaly Kuznetsov wrote:
>> >
>> >> Vitaly Kuznetsov writes:
>> >>
>> >> > Igor Mammedov writes:
>> >> >
>> >> >>
>> >> >>
Igor Mammedov writes:
>>
>> We need to distinguish because that would be sane.
>>
>> Enlightened VMCS is an extension to VMX, it can't be used without
>> it. Genuine Hyper-V doesn't have a knob for enabling and disabling it,
> ...
>> That bein said, if
>> guest CPU lacks VMX it is counter-produ
On Mon, 15 Feb 2021 16:55:02 +0100
Igor Mammedov wrote:
> On Mon, 15 Feb 2021 09:56:19 +0100
> Vitaly Kuznetsov wrote:
>
> > Igor Mammedov writes:
> >
> > > On Fri, 12 Feb 2021 16:26:03 +0100
> > > Vitaly Kuznetsov wrote:
> > >
> > >> Vitaly Kuznetsov writes:
> > >>
> > >> > Igor
On Mon, 15 Feb 2021 09:53:50 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> >> >
> >> > Please try reusing scratch CPU approach, see
> >> > kvm_arm_get_host_cpu_features()
> >> > for an example. You will very likely end up with simpler series,
> >> > compared to reinventing wheel.
On Mon, 15 Feb 2021 09:56:19 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Fri, 12 Feb 2021 16:26:03 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Vitaly Kuznetsov writes:
> >>
> >> > Igor Mammedov writes:
> >> >
> >> >>
> >> >> Please try reusing scratch CPU approach,
On Mon, Feb 15, 2021 at 09:53:50AM +0100, Vitaly Kuznetsov wrote:
> I have no clue why scratch vCPUs were implemented on ARM, however, I'd
We don't have an ioctl like KVM_GET_SUPPORTED_CPUID, which operates on
the KVM fd. Perhaps we should.
Thanks,
drew
Igor Mammedov writes:
> On Fri, 12 Feb 2021 16:26:03 +0100
> Vitaly Kuznetsov wrote:
>
>> Vitaly Kuznetsov writes:
>>
>> > Igor Mammedov writes:
>> >
>> >>
>> >> Please try reusing scratch CPU approach, see
>> >> kvm_arm_get_host_cpu_features()
>> >> for an example. You will very likely e
Igor Mammedov writes:
>> >
>> > Please try reusing scratch CPU approach, see
>> > kvm_arm_get_host_cpu_features()
>> > for an example. You will very likely end up with simpler series,
>> > compared to reinventing wheel.
>>
>> Even if I do that (and I serioulsy doubt it's going to be easier t
On Fri, 12 Feb 2021 16:26:03 +0100
Vitaly Kuznetsov wrote:
> Vitaly Kuznetsov writes:
>
> > Igor Mammedov writes:
> >
> >>
> >> Please try reusing scratch CPU approach, see
> >> kvm_arm_get_host_cpu_features()
> >> for an example. You will very likely end up with simpler series,
> >> compa
On Fri, 12 Feb 2021 16:19:24 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Fri, 12 Feb 2021 09:45:52 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Igor Mammedov writes:
> >>
> >> > On Wed, 10 Feb 2021 17:40:28 +0100
> >> > Vitaly Kuznetsov wrote:
> >> >
> >> >> Sometim
Vitaly Kuznetsov writes:
> Igor Mammedov writes:
>
>>
>> Please try reusing scratch CPU approach, see
>> kvm_arm_get_host_cpu_features()
>> for an example. You will very likely end up with simpler series,
>> compared to reinventing wheel.
>
> Even if I do that (and I serioulsy doubt it's going
Igor Mammedov writes:
> On Fri, 12 Feb 2021 09:45:52 +0100
> Vitaly Kuznetsov wrote:
>
>> Igor Mammedov writes:
>>
>> > On Wed, 10 Feb 2021 17:40:28 +0100
>> > Vitaly Kuznetsov wrote:
>> >
>> >> Sometimes we'd like to know which features were explicitly enabled and
>> >> which
>> >> were e
On Fri, 12 Feb 2021 09:45:52 +0100
Vitaly Kuznetsov wrote:
> Igor Mammedov writes:
>
> > On Wed, 10 Feb 2021 17:40:28 +0100
> > Vitaly Kuznetsov wrote:
> >
> >> Sometimes we'd like to know which features were explicitly enabled and
> >> which
> >> were explicitly disabled on the command lin
Igor Mammedov writes:
> On Wed, 10 Feb 2021 17:40:28 +0100
> Vitaly Kuznetsov wrote:
>
>> Sometimes we'd like to know which features were explicitly enabled and which
>> were explicitly disabled on the command line. E.g. it seems logical to handle
>> 'hv_passthrough,hv_feature=off' as "enable ev
On Wed, 10 Feb 2021 17:40:28 +0100
Vitaly Kuznetsov wrote:
> Sometimes we'd like to know which features were explicitly enabled and which
> were explicitly disabled on the command line. E.g. it seems logical to handle
> 'hv_passthrough,hv_feature=off' as "enable everything supported by the host
>
Sometimes we'd like to know which features were explicitly enabled and which
were explicitly disabled on the command line. E.g. it seems logical to handle
'hv_passthrough,hv_feature=off' as "enable everything supported by the host
except for hv_feature" but this doesn't seem to be possible with the
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