On 08/19/19 16:10, Paolo Bonzini wrote:
> On 19/08/19 01:00, Yao, Jiewen wrote:
>> in real world, we deprecate AB-seg usage because they are vulnerable
>> to smm cache poison attack. I assume cache poison is out of scope in
>> the virtual world, or there is a way to prevent ABseg cache poison.
>
On 19/08/19 01:00, Yao, Jiewen wrote:
> in real world, we deprecate AB-seg usage because they are vulnerable
> to smm cache poison attack. I assume cache poison is out of scope in
> the virtual world, or there is a way to prevent ABseg cache poison.
Indeed the SMRR would not cover the A-seg on
in real world, we deprecate AB-seg usage because they are vulnerable to smm
cache poison attack.
I assume cache poison is out of scope in the virtual world, or there is a way
to prevent ABseg cache poison.
thank you!
Yao, Jiewen
> 在 2019年8月19日，上午3:50，Paolo Bonzini 写道：
>
>> On 17/08/19
On 17/08/19 02:20, Yao, Jiewen wrote:
> [Jiewen] That is OK. Then we MUST add the third adversary.
> -- Adversary: Simple hardware attacker, who can use device to perform DMA
> attack in the virtual world.
> NOTE: The DMA attack in the real world is out of scope. That is be handled by
> IOMMU in
en, Yingwen
> ; Nakajima, Jun ; Boris
> Ostrovsky ; Joao Marcal Lemos Martins
> ; Phillip Goerl
> Subject: Re: [edk2-devel] CPU hotplug using SMM with QEMU+OVMF
>
> On Fri, 16 Aug 2019 22:15:15 +0200
> Laszlo Ersek wrote:
>
> > +Alex (direct question at th
t; -Original Message-
> >>>> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> >>>> Sent: Friday, August 16, 2019 12:21 AM
> >>>> To: Laszlo Ersek ; de...@edk2.groups.io; Yao,
> >> Jiewen
> >>>>
> >>&
.groups.io
>> Cc: edk2-rfc-groups-io ; qemu devel list
>> ; Igor Mammedov ;
>> Chen, Yingwen ; Nakajima, Jun
>> ; Boris Ostrovsky ;
>> Joao Marcal Lemos Martins ; Phillip Goerl
>>
>> Subject: Re: [edk2-devel] CPU hotplug using SMM with QEMU+OVMF
>>
&g
On 08/15/19 18:21, Paolo Bonzini wrote:
> On 15/08/19 17:00, Laszlo Ersek wrote:
>> On 08/14/19 16:04, Paolo Bonzini wrote:
>>> On 14/08/19 15:20, Yao, Jiewen wrote:
> - Does this part require a new branch somewhere in the OVMF SEC code?
> How do we determine whether the CPU executing
Nakajima, Jun
> ; Boris Ostrovsky ;
> Joao Marcal Lemos Martins ; Phillip Goerl
>
> Subject: Re: [edk2-devel] CPU hotplug using SMM with QEMU+OVMF
>
> On 16/08/19 04:46, Yao, Jiewen wrote:
> > Comment below:
> >
> >
> >> -Original Message-
> >>
dk2-rfc-groups-io ; qemu devel list
>> ; Igor Mammedov ;
>> Chen, Yingwen ; Nakajima, Jun
>> ; Boris Ostrovsky ;
>> Joao Marcal Lemos Martins ; Phillip Goerl
>>
>> Subject: Re: [edk2-devel] CPU hotplug using SMM with QEMU+OVMF
>>
>> On 15/08/19 17:00
Yingwen ; Nakajima, Jun
> ; Boris Ostrovsky ;
> Joao Marcal Lemos Martins ; Phillip Goerl
>
> Subject: Re: [edk2-devel] CPU hotplug using SMM with QEMU+OVMF
>
> On 15/08/19 17:00, Laszlo Ersek wrote:
> > On 08/14/19 16:04, Paolo Bonzini wrote:
> >> On 14/08/19 15:20,
On 15/08/19 17:00, Laszlo Ersek wrote:
> On 08/14/19 16:04, Paolo Bonzini wrote:
>> On 14/08/19 15:20, Yao, Jiewen wrote:
- Does this part require a new branch somewhere in the OVMF SEC code?
How do we determine whether the CPU executing SEC is BSP or
hot-plugged AP?
>>>
On Thu, 15 Aug 2019 17:00:16 +0200
Laszlo Ersek wrote:
> On 08/14/19 16:04, Paolo Bonzini wrote:
> > On 14/08/19 15:20, Yao, Jiewen wrote:
> >>> - Does this part require a new branch somewhere in the OVMF SEC code?
> >>> How do we determine whether the CPU executing SEC is BSP or
> >>>
On 08/14/19 16:04, Paolo Bonzini wrote:
> On 14/08/19 15:20, Yao, Jiewen wrote:
>>> - Does this part require a new branch somewhere in the OVMF SEC code?
>>> How do we determine whether the CPU executing SEC is BSP or
>>> hot-plugged AP?
>> [Jiewen] I think this is blocked from hardware
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