Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so)

From	Paolo Bonzini <pbonzini@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so)
Date	2017-03-10 09:40 +0100
Message-ID	<tjofE-1eN-9@gated-at.bofh.it> (permalink)
References	<rUbxw-Oh-21@gated-at.bofh.it> <sNMzD-4TT-7@gated-at.bofh.it> <sNT85-tf-17@gated-at.bofh.it> <tg8Av-Y7-19@gated-at.bofh.it> <tjnWh-16A-1@gated-at.bofh.it>
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On 10/03/2017 09:02, Yu Zhang wrote:
>>   Besides, is this all the test for UMIP unit test? I.e. do we need to
>> construct a scenario in the test to trigger vm exit and let hypervisor
>> inject a GP fault? - I did not see this scenario in this patch. Or any
>> other suggestions? :-)
> 
> Hi Paolo, any suggestions?
> Sorry for the disturb. :)

Hi, you get the scenario where a vmexit is triggered by the hypervisor
if you run the unit test on a machine that lacks UMIP support.

We can also add a module parameter to force emulation, so that it will
be possible to test UMIP emulation on newer processors too.

Paolo

Thread

Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Yu Zhang <yu.c.zhang@linux.intel.com> - 2017-03-01 10:20 +0100
  Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Paolo Bonzini <pbonzini@redhat.com> - 2017-03-06 22:10 +0100
  Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Yu Zhang <yu.c.zhang@linux.intel.com> - 2017-03-10 09:20 +0100
    Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Paolo Bonzini <pbonzini@redhat.com> - 2017-03-10 09:40 +0100
      Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Yu Zhang <yu.c.zhang@linux.intel.com> - 2017-03-10 10:40 +0100
        Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Yu Zhang <yu.c.zhang@linux.intel.com> - 2017-03-10 12:30 +0100
        Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Paolo Bonzini <pbonzini@redhat.com> - 2017-03-10 16:10 +0100

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