From: Paolo Bonzini <pbonzini@redhat.com>
To: Yu Zhang <yu.c.zhang@linux.intel.com>
Cc: qian.ouyang@intel.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so)
Date: Fri, 10 Mar 2017 09:36:04 +0100 [thread overview]
Message-ID: <46eca436-0d57-a514-39e4-7c45e25e493e@redhat.com> (raw)
In-Reply-To: <58C25D7A.7070605@linux.intel.com>
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
next prev parent reply other threads:[~2017-03-10 8:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 19:20 Paolo Bonzini
2016-07-12 19:20 ` [RFC PATCH 1/4] x86: add UMIP feature and CR4 bit Paolo Bonzini
2016-07-12 19:20 ` [RFC PATCH 2/4] KVM: x86: emulate sldt and str Paolo Bonzini
2016-07-12 19:20 ` [RFC PATCH 3/4] KVM: x86: add support for emulating UMIP Paolo Bonzini
2016-07-13 20:03 ` Radim Krčmář
2016-07-14 7:00 ` Paolo Bonzini
2016-07-14 12:24 ` Radim Krčmář
2016-07-12 19:20 ` [RFC PATCH 4/4] KVM: vmx: " Paolo Bonzini
2016-07-13 9:21 ` Yang Zhang
2016-07-13 9:35 ` Paolo Bonzini
2016-07-13 9:54 ` Yang Zhang
2016-07-13 9:35 ` Paolo Bonzini
2016-07-13 10:02 ` Yang Zhang
2016-07-13 10:21 ` Paolo Bonzini
2016-07-13 20:30 ` Radim Krčmář
2016-07-14 8:09 ` Paolo Bonzini
2016-07-14 12:36 ` Radim Krčmář
2016-07-14 12:54 ` Paolo Bonzini
2016-07-31 2:32 ` Wanpeng Li
2016-08-01 15:01 ` Paolo Bonzini
2016-08-02 1:05 ` Wanpeng Li
2016-07-13 8:29 ` [RFC PATCH 0/4] KVM: Emulate UMIP (or almost do so) Yang Zhang
2016-07-13 9:34 ` Paolo Bonzini
2016-12-13 4:03 ` Li, Liang Z
2016-12-13 11:03 ` Paolo Bonzini
2017-03-01 9:04 ` Yu Zhang
2017-03-06 21:07 ` Paolo Bonzini
2017-03-10 8:02 ` Yu Zhang
2017-03-10 8:36 ` Paolo Bonzini [this message]
2017-03-10 9:31 ` Yu Zhang
2017-03-10 11:28 ` Yu Zhang
2017-03-10 15:00 ` Paolo Bonzini
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