> > Is it better to use guest_cpuid_has_mpx() instead of
> vmx_mpx_supported()?
>
> CPUID hasn't been set yet, so I think it is okay to key it on
> vmx_mpx_supported(). It will be deactivated soon afterwards.
>
> Or even do it unconditionally; just make sure to add a comment about it.
>
> >>
Paolo Bonzini wrote on 2015-05-20:
>
>
> On 20/05/2015 07:20, Zhang, Yang Z wrote:
>> Li, Liang Z wrote on 2015-05-20:
>>> The MPX feature requires eager KVM FPU restore support. We have
>>> verified that MPX cannot work correctly with the current lazy KVM
>>> FPU restore mechanism. Eager KVM
On 20/05/2015 07:20, Zhang, Yang Z wrote:
> Li, Liang Z wrote on 2015-05-20:
>> The MPX feature requires eager KVM FPU restore support. We have
>> verified that MPX cannot work correctly with the current lazy KVM FPU
>> restore mechanism. Eager KVM FPU restore should be enabled if the MPX
>>
Paolo Bonzini wrote on 2015-05-20:
On 20/05/2015 07:20, Zhang, Yang Z wrote:
Li, Liang Z wrote on 2015-05-20:
The MPX feature requires eager KVM FPU restore support. We have
verified that MPX cannot work correctly with the current lazy KVM
FPU restore mechanism. Eager KVM FPU restore
On 20/05/2015 07:20, Zhang, Yang Z wrote:
Li, Liang Z wrote on 2015-05-20:
The MPX feature requires eager KVM FPU restore support. We have
verified that MPX cannot work correctly with the current lazy KVM FPU
restore mechanism. Eager KVM FPU restore should be enabled if the MPX
feature is
Is it better to use guest_cpuid_has_mpx() instead of
vmx_mpx_supported()?
CPUID hasn't been set yet, so I think it is okay to key it on
vmx_mpx_supported(). It will be deactivated soon afterwards.
Or even do it unconditionally; just make sure to add a comment about it.
diff --git
Li, Liang Z wrote on 2015-05-20:
> The MPX feature requires eager KVM FPU restore support. We have
> verified that MPX cannot work correctly with the current lazy KVM FPU
> restore mechanism. Eager KVM FPU restore should be enabled if the MPX
> feature is exposed to VM.
>
> Signed-off-by: Liang
Correct Gleb's email address.
Liang
> -Original Message-
> From: Li, Liang Z
> Sent: Wednesday, May 20, 2015 10:36 PM
> To: k...@vger.kernel.org; linux-kernel@vger.kernel.org
> Cc: g...@kernel.or; pbonz...@redhat.com; t...@linutronix.de;
> mi...@redhat.com; h...@zytor.com;
Li, Liang Z wrote on 2015-05-20:
The MPX feature requires eager KVM FPU restore support. We have
verified that MPX cannot work correctly with the current lazy KVM FPU
restore mechanism. Eager KVM FPU restore should be enabled if the MPX
feature is exposed to VM.
Signed-off-by: Liang Li
Correct Gleb's email address.
Liang
-Original Message-
From: Li, Liang Z
Sent: Wednesday, May 20, 2015 10:36 PM
To: k...@vger.kernel.org; linux-kernel@vger.kernel.org
Cc: g...@kernel.or; pbonz...@redhat.com; t...@linutronix.de;
mi...@redhat.com; h...@zytor.com; x...@kernel.org;
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